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Frequently received questions and inquiries, and corresponding solutions we provide, are categorized as below for fast search. Please proceed by clicking your area of interest.

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Ultra-pure water production

Self-priming of pumps

Agricultural irrigation

Transfer of liquid-gas or liquid-solid

Civil engineering, Construction

Separation of liquid-gas or liquid-solid

Electric power generation

Clean technology

City water, Sewage

Water hammer prevention

Chemical processing

Control of liquid in pipeline

Plant equipment

Corrosion and wear resistant metals

Food, Medicine

Aquariums, Fisheries, Hot springs



Ultra-pure water production

Q:

Particulate increases due to water hammer when the pump stops despite clean pipes. Are there any countermeasures?

A:

The clean type Non-Water Hammer Check Valve SL-UC can solve the problem.

Q:

Is there a degassing system that can instantly decrease DO (dissolved oxygen) in the liquid from 8ppm to 0.5ppm or less?

A:

Degassing Pump DP, ASP

Q:

Is it possible to replace a large deaeration tower with a smaller one?

A:

Degassing Pump DP, ASP can drastically decrease the size of the deaeration tower, or even omit it.

Q:

We use a drain pump to drain from a sealed tank (vacuum tank). Is there a pump that can help decrease the height of the sealed tank?

A:

Self-Priming Centrifugal Pump UHN, Enhanced Self-Priming Pump UPS, and other

Q:

Is there a pump that does not require allowance for NPSH?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a multiphase flow pump that can draw up and transfer chemical liquid with a large amount of volatile matter or gas?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a simple degassing system that can quickly separate dissolved gas from liquid?

A:

Degassing Pump DP, ASP

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

>Back to Top

Agricultural irrigation

Q:

Is there a clog-resistant constant flow valve ?

A:

Constant Flow Regulator Valve UFS and other are available, and are clog-resistant.

Q:

Constant distribution of water is desirable, but the required flow rate varies according to the season. Is there a constant flow valve that can freely set the flow rate?

A:

Constant Flow Regulator Valve UFS and other are available, and the flow rate can be freely set.

Q:

I want to reduce costs by using polyvinyl-chloride pipes on the downstream side of a pressure reducing valve. Is there a pressure reducing valve that can completely shut off upstream and downstream pressure?

A:

Constant Pressure Valve UFSP is available and shuts off water completely.

Q:

Is there a pressure reducing valve that can easily control pressure and cut over-discharge?

A:

Constant Pressure Valve UFSP can be installed with an over-discharge cutoff function.

Q:

The large float tank for the float valve is troublesome. Is there any way of replacing it with a smaller one?

A:

Float-Type Regulator Valve UFSF can decrease the size of the float tank.

Q:

Is there an automatic valve that can control water level and a constant flow rate at the same time?

A:

Float-Type Regulator Valve UFSF and Pilot-Type Regulator Valve UFSB

Q:

Is there an automatic valve that can easily keep water level between upper and lower limits?

A:

Liquid Level-2 Regulator Valve UFSB-2W is available. It can also cut over-discharge.

Q:

The automatic control valve pilot is often clogged. Is there a pilot type control valve that is clog-resistant?

A:

Pilot-Type Regulator Valves with clog-resistant pilot mechanism

>Back to Top

Civil engineering, Construction

Q:

Is there a self-priming pump that can continuously suction water and air at the same time?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a sludge pump that can draw up and transfer muddy water containing gravel and sludge?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a pump that can draw up and transfer underground water by reverse circulation method?

A:

Enhanced Self-Priming Pump UPS

Q:

Is there a material that can resist sand/seawater mix?

A:

Seawater Resistant Stainless Steel YST130N

Q:

Is there a solid-liquid two-phase flow pump that can draw up and transfer slush?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a self-priming pump that can draw up river water across embankments or through a long intake pipe?

A:

Self-Priming Centrifugal Pump UHNS and UHNK with strengthened UHN self-priming functions

Q:

We want to install a self-priming pump along a riverside, but there is the worry of it becoming submerged in heavy rain. Is there any suitable pump?

A:

Self-Priming Centrifugal Pump UHPR that incorporates a submersible motor into UHN type

Q:

Is there a self-priming pump that can draw up groundwater from as deep as 9 meters ?

A:

Turbine Pump UTX

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

Q:

Is there a check valve that can completely prevent water hammer if a pump stops due to power failure?

A:

Non-Water Hammer Check Valve SL-SN, and other

>Back to Top

Electric power generation

Q:

Is there a pump that can continue pumping water without problems even if air enters?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a slurry pump that can draw up and transfer slurry liquid containing air bubbles?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other made of Special Stainless Steel

Q:

The slurry pump's rubber lining often peels off. Is there corrosion and wear resistant metallic material available?

A:

Special Stainless Steel YST series

Q:

Is there strong material for a pump and valve that does not corrode in general liquid pharmaceuticals, chemical liquids, hot spring water, or seawater?

A:

Optimum YST130N in the Special Stainless Steel YST series

Q:

Is there a pump that can draw up and transfer viscous liquid such as heavy oil?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

The check valve is noisy when it shuts off. Is there a quiet check valve?

A:

Non-Water Hammer Check Valve SL-SN, and other

Q:

The check valve easily corrodes in seawater. Are there any countermeasures?

A:

Non-Water Hammer Check Valve made of Seawater Resistant Stainless Steel YST130N can solve the problem.

Q:

Supply of external seal water for preventing slurry from sticking to the mechanical seal is expensive. Are there any countermeasures?

A:

Non-External-Flushing Mechanical Seal can eliminate the necessity of external seal water.

Q:

Is there a mechanical seal that can be fitted directly to the stuffing box for gland packing?

A:

Non-External-Flushing Mechanical Seal

>Back to Top

City water, Sewage

Q:

Pulling up a vertical shaft type pump for maintenance is expensive. Are there any recommended pumps?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other are convenient as they are installed on the ground.

Q:

Is there a sewage pump that can draw up and transfer sewage containing empty beverage cans?

A:

Enhanced Self-Priming Pump UPS

Q:

Is there any method for reducing the labour-intensive work of removing sludge from sedimentation ponds?

A:

Enhanced Self-Priming Pump UPS can remove sludge without labour.

Q:

Is there a pump that can remove scum floating on the surface of a pit?

A:

Enhanced Self-Priming Pump UPM, UPS can easily remove scum on the surface.

Q:

We want to drain a sludge pit completely for environmental improvement. Are there any suitable sewage pumps?

A:

Enhanced Self-Priming Pump UPS can drain a sludge pit by drawing up water and sludge together.

Q:

The check valve dashpot oil leaks. Are there any countermeasures?

A:

Dashpot Type Non-Water Hammer Check Valve SL-SN-B and other can solve the problem as their dashpots are free from oil leakage.

Q:

Is there a constant flow valve that can freely set the flow rate?

A:

Constant Flow Regulator Valve UFS is available. It can set the flow rate freely, and also shut off the flow.

Q:

The pressure reducing valve leaks when it shuts off. Is there a pressure reducing valve that can completely stop water at shutoff?

A:

Constant Pressure Valve UFSP is available and shuts off water completely.

Q:

Is there a float valve that can control water level with a small float regardless of inlet pressure?

A:

Float-Type Regulator Valve UFSF

Q:

Is there strong material for a pump and valve that does not corrode in general liquid pharmaceuticals, chemical liquids, hot spring water, or seawater?

A:

Optimum YST130N in the Special Stainless Steel YST series

>Back to Top

Chemical processing

Q:

Is there strong material for a pump and valve that does not corrode in general liquid pharmaceuticals, chemical liquids, hot spring water, or seawater?

A:

Optimum YST130N in the Special Stainless Steel YST series

Q:

Electrical control of flow rate, pressure and water level is expensive. Is there any inexpensive and simple method?

A:

Pilot-Type Regulator Valves, Constant Flow Regulator Valve UFS, and other using no electricity

Q:

Is there a multiphase flow pump that can draw up and transfer chemical liquid with a large amount of volatile matter or gas, or foaming liquid?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is it possible to set a pump on the deck of a chemical tanker for pumping and stripping its cargo?

A:

Yes. Enhanced Self-Priming Pump UPS

Q:

We use a drain pump to drain from a sealed tank (vacuum tank). Is there a pump that can help decrease the height of the sealed tank?

A:

Self-Priming Centrifugal Pump UHN, Enhanced Self-Priming Pump UPS, and other

Q:

Is there simple degassing equipment that can quickly separate dissolved gas from liquid?

A:

Degassing Pump DP, ASP

Q:

Is there a gas-liquid two-phase flow pump that mixes minute air bubbles into pumped liquid in a pressurized flotation system?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a slurry pump that can smoothly draw up and transfer slurry liquid from a pit?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other made of Special Stainless Steel

Q:

Is there a pump that can draw up and transfer viscous liquid such as heavy oil?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

>Back to Top

Plant equipment

Q:

Electrical control of flow rate, pressure and water level is expensive. Is there any inexpensive and simple method?

A:

Pilot-Type Regulator Valves, Constant Flow Regulator Valve UFS, and other using no electricity.

Q:

The check valve is noisy when it shuts off. Is there a quiet check valve?

A:

Non-Water Hammer Check Valve SL-SN, and other

Q:

Lubrication oil is often mixed with air, foam and bubbles. Is there a lubricating oil pump that can also serve as defoaming equipment to eliminate air, foam and bubbles?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

We want to reduce dissolved oxygen in boiler water to prevent the boiler from rusting. Are there any easy methods?

A:

Degassing Pump DP, ASP can drastically decrease dissolved oxygen.

Q:

Is there a gas-liquid two-phase flow pump that can transfer liquid containing air bubbles in a pressurized flotation system?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a pump that does not require allowance for NPSH?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

The large-sized, self-priming tank for pumping occupies a lot of space. Are there any other methods?

A:

Self-Priming Centrifugal Pump UHN and other eliminate the necessity of self-priming tank.

Q:

Pulling up a submersible pump for maintenance is expensive. Are there any recommended pumps?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other are convenient as they are installed on the ground.

Q:

The rotary shaft of the swing check valve is easily damaged. Is there a damage-resistant check valve?

A:

Non-Water Hammer Check Valve SL-SN and other have structure which prevents damage to the shaft.

Q:

The mechanical seal often malfunctions due to corrosion of the material or slurry adhesion. Are there any countermeasures?

A:

Non-External-Flushing Mechanical Seal made of Special Stainless Steel can solve the problem.

>Back to Top

Food, Medicine

Q:

Foam and bubbles are often generated in the processing of liquid food. Is there any way to automatically remove such foam and bubbles?

A:

Degassing Pump DP, ASP can solve the problem effectively.

Q:

Is there sanitary degassing equipment that can continuously separate dissolved oxygen from beverages?

A:

Degassing Pump DP, ASP

Q:

Particulate increases due to water hammer when the pump stops despite clean pipes. Are there any countermeasures?

A:

The clean type Non-Water Hammer Check Valve SL-UC can solve the problem.

Q:

Is there strong material for a pump and valve that does not corrode in seawater or salt water ?

A:

Optimum YST130N in the Special Stainless Steel YST series

Q:

Is there a pump that can continuously draw up and transfer raw food material?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a pump that can continuously transfer liquid containing air bubbles?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a pump that can transfer boiling liquid?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a pump that can continuously draw up and transfer fermented or foaming liquid?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a pump that can draw up and transfer viscous liquid such as ketchup?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Are there stainless steel parts that are attracted to magnets so that they can be found easily when accidentally mixed in with food products?

A:

Parts made of Seawater Resistant Stainless Steel YST130N

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

>Back to Top

Aquariums, Fisheries, Hot springs

Q:

Though it is commonly said that stainless steel is vulnerable to seawater, is there no seawater durable stainless steel?

A:

Yes there is. Seawater Resistant Stainless Steel YST130N

Q:

The resin pump for seawater is weak and easily damaged. Are there any countermeasures?

A:

Pumps made of Seawater Resistant Stainless Steel YST130N can solve the problem.

Q:

We want to place the pump intake as far offshore as possible for clean seawater intake. Is there a pump that can draw up seawater through a long, horizontal intake pipe?

A:

Self-Priming Centrifugal Pump UHNS and UHNK with strengthened UHN self-priming functions

Q:

Is there a pump that can transfer seawater while eliminating dissolved oxygen?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Though cheap resin piping is preferable, water hammer will cause problems. Are there any check valves for preventing water hammer damage?

A:

Wafer-Type Check Valve SL-SW

Q:

The check valve easily corrodes in seawater. Are there any countermeasures?

A:

Wafer-Type Check Valve made of Seawater Resistant Stainless Steel YST130N can solve the problem.

Q:

Seawater corrodes mechanical seals very quickly. Is there a seawater durable mechanical seal available?

A:

Non-External-Flushing Mechanical Seal made of Seawater Resistant Stainless Steel YST130N

Q:

Is there a heat resistant material that does not corrode in hot spring water?

A:

Optimum YST130N in the Special Stainless Steel YST series

Q:

Are there metallic parts that do not corrode even in wind off the sea?

A:

Parts made of Seawater Resistant Stainless Steel YST130N

>Back to Top

Self-priming of pumps

Q:

Is there a pump capable of self-priming without a foot valve or an intermediate foot valve?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a pump that does not require any priming water even at the time of initial installation?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a pump that can operate without any problem even if air penetrates often?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a high-pressure type pump that can operate without any problem even if air penetrates often?

A:

Multistage Self-Priming Pump USM, UBM, MEF

Q:

Is there a pump that can pump liquid from a sealed tank (vacuum tank) even in a cavitation situation?

A:

Self-Priming Centrifugal Pump UHN, Enhanced Self-Priming Pump UPS, and other

Q:

Is there a pump that does not require allowance for NPSH?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a self-priming pump that can continuously suction water and air at the same time?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a self-priming pump that can draw up water even across embankments or through a long intake pipe?

A:

Self-Priming Centrifugal Pump UHNS and UHNK with strengthened UHN self-priming functions

Q:

Is it possible to set a pump on the deck of a chemical tanker for pumping and stripping its cargo?

A:

Yes. Enhanced Self-Priming Pump UPS

Q:

The oval-shaped self-priming pump is easily damaged at its inlet valve and causes unstable operation. Are there any suitable pumps?

A:

Self-Priming Centrifugal Pump UHN and other are available. They have robust structure without any inlet valve.

>Back to Top

Transfer of liquid-gas or liquid-solid

Q:

Is there a gas-liquid two-phase flow pump that can operate while forcing air bubbles on the intake side?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a multiphase flow pump that can draw up liquid containing a lot of gas or air bubbles?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a multiphase flow pump that can transfer boiling liquid?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Is there a pump that can remove sludge or sand from the bottom of a pit without using a bucket?

A:

Enhanced Self-Priming Pump UPS

Q:

Is there a pump that can remove foam floating on the surface of a pit ?

A:

Enhanced Self-Priming Pump UPM, UPS can easily remove foam on the surface.

Q:

Is there a gas-liquid two-phase flow pump that mixes minute air bubbles into pumped liquid in a pressurized flotation system?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other

Q:

Is there a multiphase flow pump that can continuously draw up and drain water containing air, sand, or gravel?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a solid-liquid two-phase flow pump that can draw up and transfer slush?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a slurry pump that can draw up and transfer high-density slurry liquid?

A:

Self-Priming Centrifugal Pump UHN, Process Pump UB, and other made of Special Stainless Steel

Q:

Is there a pump that can draw up and transfer viscous liquid such as heavy oil?

A:

Enhanced Self-Priming Pump UPM, UPS

Q:

Is there a solid-liquid two-phase flow pump that can continuously draw up and transfer raw food material?

A:

Enhanced Self-Priming Pump UPM, UPS

>Back to Top

Separation of liquid-gas or liquid-solid

Q:

Foam and bubbles are often generated in the processing of liquid food. Is there any way to automatically remove such foam and bubbles?

A:

Defoaming, Degassing Pump DP, ASP can solve the problem effectively.

Q:

Is there a pump that can transfer liquid while separating and eliminating bubbles in the liquid?

A:

Enhanced Self-Priming Pump UPM, UPS, Defoaming, Degassing Pump DP, ASP, and other

Q:

Lubrication oil is often mixed with air, foam and bubbles. Is there a lubricating oil pump that can also serve as defoaming equipment to eliminate air, foam and bubbles?

A:

Enhanced Self-Priming Pump UPM, UPS, Defoaming, Degassing Pump DP, ASP, and other

Q:

Is there simple degassing equipment that can quickly separate dissolved gas from liquid?

A:

Defoaming, Degassing Pump DP, ASP

Q:

Is there degassing equipment that can instantly decrease DO (dissolved oxygen) in the liquid from 8ppm to 0.5ppm or less?

A:

Defoaming, Degassing Pump DP, ASP

Q:

Is it possible to replace a large deaeration tower with a smaller one?

A:

Defoaming, Degassing Pump DP, ASP can drastically decrease the size of the deaeration tower, or even omit it.

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

>Back to Top

Clean technology

Q:

Particulate increases due to water hammer when the pump stops despite clean pipes. Are there any countermeasures?

A:

The clean type Non-Water Hammer Check Valve SL-UC can solve the problem.

Q:

Is there degassing equipment with sanitary specifications that can quickly separate dissolved gas from liquid?

A:

Defoaming, Degassing Pump DP, ASP

Q:

Is there degassing equipment that can instantly decrease DO (dissolved oxygen) in the liquid from 8ppm to 0.5ppm or less?

A:

Defoaming, Degassing Pump DP, ASP

Q:

Is it possible to replace a large deaeration tower with a smaller one?

A:

Defoaming, Degassing Pump DP, ASP can drastically decrease the size of the deaeration tower, or even omit it.

Q:

We use a drain pump to drain from a sealed tank (vacuum tank). Is there a pump that can help decrease the height of the sealed tank?

A:

Self-Priming Centrifugal Pump UHN, Enhanced Self-Priming Pump UPS, and other

Q:

Is there a multiphase flow pump that can draw up and transfer chemical liquid with a large amount of volatile matter or gas?

A:

Enhanced Self-Priming Pump UPM, UPS, and other

Q:

Pumped liquid often enters the vacuum pump attached to the main pump. Are there any countermeasures?

A:

A vacuum pump attached to Enhanced Self-Priming Pump UPS solves the problem effectively. (Available separately)

>Back to Top

Water hammer prevention

Q:

Is there a check valve that can completely prevent water hammer if a pump stops due to power failure?

A:

Non-Water Hammer Check Valve SL-SN, and other

Q:

Is there a check valve that does not cause delay in shutoff without added external force?

A:

Non-Water Hammer Check Valve SL-SN, and other

Q:

Though cheap resin piping is preferable, water hammer will cause problems. Are there any check valves for preventing water hammer damage?

A:

Non-Water Hammer Check Valve SL-SN, Wafer-Type Check Valve SL-SW, and other

Q:

Particulate increases due to water hammer when the pump stops despite clean pipes. Are there any countermeasures?

A:

The clean type Non-Water Hammer Check Valve SL-UC can solve the problem.

Q:

The check valve is noisy when it shuts off. Is there a quiet check valve?

A:

Non-Water Hammer Check Valve SL-SN, and other

Q:

The check valve dashpot oil leaks. Are there any countermeasures?

A:

Dashpot Type Non-Water Hammer Check Valve SL-SN-B and other can solve the problem as their dashpots are free from oil leakage.

Q:

The check valve easily corrodes in seawater. Are there any countermeasures?

A:

Non-Water Hammer Check Valve made of Seawater Resistant Stainless Steel YST130N can solve the problem.

Q:

The rotary shaft of the swing check valve is easily damaged. Is there a damage-resistant check valve?

A:

Non-Water Hammer Check Valve SL-SN and other have structure which prevents damage to the shaft.

Q:

Is there a check valve that can detect non-feed water condition for preventing a pump from dry operation?

A:

Non-Water Hammer Check Valve SL-SNP and other with No-Feed Detector

Q:

Surge tanks for preventing surge in the piping are expensive. Are there any inexpensive check valves for replacing the surge tank?

A:

Non-Water Hammer Check Valve SL-SN and other are available. Surge tank is not required.

>Back to Top

Control of liquid in pipeline

Q:

Electrical control of flow rate, pressure and water level is expensive. Is there any inexpensive and simple method?

A:

Pilot-Type Regulator Valves, Constant Flow Regulator Valve UFS, and other using no electricity

Q:

The automatic control valve pilot is often clogged. Is there a pilot type control valve that is clog-resistant?

A:

Pilot-Type Regulator Valves with clog-resistant pilot mechanism

Q:

Is there a valve that can maintain constant flow regardless of the inlet pressure?

A:

Constant Flow Regulator Valve UFS, and other

Q:

Is there a constant flow valve that can freely set the flow rate?

A:

Constant Flow Regulator Valve UFS is available. It can set the flow rate freely, and also shut off the flow.

Q:

The pressure reducing valve leaks when it shuts off. Is there a pressure reducing valve that can completely stop water at shutoff?

A:

Constant Pressure Valve UFSP is available and shuts off water completely.

Q:

Is there a pressure reducing valve that can easily control pressure and cut over-discharge?

A:

Constant Pressure Valve UFSP can be installed with an over-discharge cutoff function.

Q:

Is there a float valve that can control water level with a small float regardless of inlet pressure?

A:

Float-Type Regulator Valve UFSF

Q:

Is there an automatic valve that can control water level and a constant flow rate at the same time?

A:

Float-Type Regulator Valve UFSF and Pilot-Type Regulator Valve UFSB

Q:

Is there an automatic valve that can easily keep water level between upper and lower limits?

A:

Liquid Level-2 Regulator Valve UFSB-2W is available. It can also cut over-discharge.

Q:

Is there a shutoff valve that causes little or no cavitation?

A:

Constant Flow Regulator Valve UFS and other with shutoff functions are available. They have a structure that causes little or no cavitation.

>Back to Top

Corrosion and wear resistant metals

Q:

Though it is commonly said that stainless steel is vulnerable to seawater, is there no seawater-durable stainless steel?

A:

Yes there is. Seawater Resistant Stainless Steel YST130N

Q:

The resin pump for seawater is weak and easily damaged. Are there any countermeasures?

A:

Pumps made of Seawater Resistant Stainless Steel YST130N can solve the problem.

Q:

Is there a material with corrosion resistance and wear resistance to slurry liquid such as gypsum slurry?

A:

Special Stainless Steel YST series

Q:

The slurry pump's rubber lining often peels off. Is there corrosion and wear resistant metallic material available?

A:

Special Stainless Steel YST series

Q:

Is there a heat resistant material that does not corrode in hot spring water?

A:

Optimum YST130N in the Special Stainless Steel YST series

Q:

Is there a mechanical seal with corrosion resistance and wear resistance to seawater or salt crystal?

A:

Non-External-Flushing Mechanical Seal made of Seawater Resistant Stainless Steel YST130N

Q:

The mechanical seal often malfunctions due to corrosion of the material or slurry adhesion. Are there any countermeasures?

A:

Non-External-Flushing Mechanical Seal made of Special Stainless Steel can solve the problem.

Q:

Supply of external seal water for preventing slurry from sticking to the mechanical seal is expensive. Are there any countermeasures?

A:

Non-External-Flushing Mechanical Seal can eliminate the necessity of external seal water.

Q:

Are there metallic parts that do not corrode even in wind off the sea?

A:

Parts made of Seawater Resistant Stainless Steel YST130N

>Back to Top

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Pilot-Type Regulator Valves
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 Constant Flow Rate Valve
 Liquid Level-1/Level-2
 Regulator Valve
 Safety Valve
 Pressure Sustaining Valve
 Differential Pressure
 Regulator Valve
 Emergency Shutoff Valve
Special Alloys, Parts
Special Stainless Steel
Seawater Resistant
Stainless Steel
Casting Parts
Non-External-Flushing
Mechanical Seal
 
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