Technologies & Products

Special Stainless Steel
YST series

Seawater Resistant Stainless
Steel YST130N

Corrosion and wear resistant special alloy for various kinds of liquid

Surprisingly high corrosion resistance to seawater and hot springs

Casting Parts

Non-External-Flushing
Mechanical Seal

Casting parts utilizing excellent corrosion resistance of YST130N

Easily fits into a stuffing box and requires no external sealing water

Technologies & Products

	Solutions

Examples of solutions to "Problems" related to fluids based on actual cases

		Defoaming, Degassing				Aquarium
		Easy and continuous food product defoaming/degassing				Used in many aquariums
		Defoaming, Degassing Pump				Seawater Pumps made of YST Alloy

		Irrigation Water Supply				Water & Sewerage
		Small tank, but no severe, intermittent operation				Resolving the concerns of sewage treatment and water-purifying plants
		Automatic Water Supply Equipment				Enhanced Self-Priming Pump

		Water Distribution				Iron & Steel Works
		Resolving the concerns of agricultural water distribution				Resolving concerns with check valves used at iron works manufacturers
		Constant Flow Valve				Non-Water Hammer Check Valve

		Tanker Cargo Handling				Construction
		A chemical cargo pump with 30 years of achievement				Active in the foundation work of construction projects
		Enhanced Self-Priming Pump				Suction Pump

		Seawater Intake				Slurry Self-Priming
		Resolving the concerns of seawater pumping				Resolving problematic self-priming of slurry liquids at power plants
		Seawater Intake Pump				Slurry/Corrosion Resistant Self-Priming Pump

		Snow Removal				Undersea Tunnel
		Excellent for pumping away slush and sprinkling water to melt snow				Used in draining operation at Kanmon and Seikan Tunnels
		YOKOTA's snow-fighting pumps				YOKOTA pumps and valves

	Quick Navigator

FAQ & categorized fast products search



	Application area		Ultra-pure water production \| Agricultural irrigation \| Civil engineering, Construction \| Electric power generation \| City water, Sewage \| Chemical processing \| Plant equipment \| Food, Medicine \| Aquariums, Fisheries, Hot springs

	Technical subject		Self-priming of pumps \| Transfer of liquid-gas or liquid-solid \| Separation of liquid-gas or liquid-solid \| Clean technology \| Water hammer prevention \| Control of liquid in pipeline \| Corrosion and wear resistant metals

	Pumps

Pump product line solving fluid transfer and liquid property problems

		Self-Priming Centrifugal Pump UHN series				Defoaming, Degassing Pump DP, ASP
		Outstanding self-priming performance even under extreme conditions				Highly efficient and quick degassing of gas-dissolved liquid

		Enhanced Self-Priming Pump UPM, UPS				Multistage Self-Priming Pump USM, UBM, MEF
		Suction and transfer of liquid containing foam or high viscosity liquid				High head type with high performing self-priming mechanism

		Turbine Pump UTX				Process Pump UB series
		Outstanding self-priming performance with nearly 9m suction lift				Wide lineup of back-pullout types including self-priming models

		Centrifugal Pump UEN series				Multistage Centrifugal Pump MCF, MCH
		Standard type with 55 models and wide variety of materials				High head type with high performance and wide variety of materials

		Double Suction Volute Pump HD				Mixed-Flow Volute Pump YM
		Horizontally split type with optional self-priming capability				Durability and reliability as demonstrated in many power stations

	Valves

Valve product line solving flow control and distribution problems

		Non-Water Hammer Check Valve SL series				Wafer-Type Check Valve SL-SW, SF
		No valve closure delay means no water hammer and no noise				Simple construction allows for high performance and low price

		Constant Flow Valve UF series				Float-Type Regulator Valve UFSF
		Easy flow rate setting and outstanding constant flow characteristics				Liquid level and constant flow rate regulation with compact float

		Pilot-Type Regulator Valves (Overview)				Constant Pressure Valve UFSP
		Regulator valve series with new clog-resistant pilot mechanism				Excellent pressure control and complete liquid shutoff performance

		Constant Flow Rate Valve UFSJ				Liquid level-1 Regulator Valve UFSB-1W
		Unique pilot mechanism provides excellent flow rate regulation				Maintains set liquid level by opening and closing of a ball tap

		Liquid level-2 Regulator Valve UFSB-2W				Safety Valve, Pressure Relief Valve UFSS, UFSA
		Maintains liquid level between upper and lower limits				Rapid prevention of excessive increase of inlet pressure

		Pressure Sustaining Valve UFSC				Differential Pressure Regulator Valve UFSD
		Excellent inlet pressure control and rapid shutoff performance				Maintains set differential pressure between inlet and outlet pressures

		Emergency Shutoff Valve UFSE
		Rapid shutoff by detection of abnormal pipeline condition

	Special Alloys, Parts

Special stainless steel product line solving corrosion and wear problems