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Check Valves | Single Check Valves | Swing Check Valves

New items

RS_284-2727, RS PRO

Bronze Check Valve BSI Kitemark approved.License no. KM-07296 Pressure rating 10.5 bar at 186°C, 25 bar at 100°C

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New items

CF8M Stainless Steel Check Valves RS Pro Brand Screwed End Swing Check Valves that allow liquids to flow in only one direction. Features: 1/2 - 3" (DN15 - DN80) W.P: 200 WOG W.T: -20°C - 200°C (-4°F - 392°F) Investment casting Socket weld (option) Thread type: ASME B1.20.1 (NPT), DIN 2999 & BS21, ISO7/1 & EN10226 Material: Body, Cap & Disc - ASTM A351-CF8M Seal & Gasket - PTFE Plug - AISI 316 Bolt - AISI 304

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New items

4892 10 10, Legris

The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for use as a safety item in all fluids circuits. Its works on maximum working pressure of 40 bar Temperature range -20°C to +180°C

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New items

4892 13 13, Legris

The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for use as a safety item in all fluids circuits. Its works on maximum working pressure of 40 bar Temperature range -20°C to +180°C

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New items

RS_720-9279, RS PRO

RS PRO Stainless Steel Single Non-Return Valve 1/2 in BSP The RS PRO single non-return valve is ideal for controlling the flow of water and steam in heating and cooling systems. It's made from stainless-steel construction and has a simple, compact design. With a maximum operating temperature of +220ºC and maximum working pressure of 25 bar, the valve can withstand higher pressures and temperatures than brass alternatives. Simple to install, this disk check valve has female screw connectors with a 1/2-inch BSP (British Standard Pipe) thread. As the valve is fitted with a spring, it can be installed either horizontally or vertically. This non-return valve conforms to US and European ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 standards for electrostatic control and has a CE (European Conformity) rating of PN25 for pressure. Non-return valves prevent the reverse flow of fluids and gases within domestic and industrial pipeline systems. Features and Benefits Single non-return disc check valve Made from stainless steel 1/2 inch BSP (British Standard Pipe) female screw connections Suitable for use with steam and hot condensate Suitable for horizontal or vertical installation Maximum working pressure of 25 bar Maximum operating temperature of +220ºC CE (European Conformity) pressure rating of PN25 Low pressure drop Conforms to ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards RS PRO RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards theyre only given the RS PRO Seal of Approval if were confident of their exceptional quality, which means you can be confident too.

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New items

499-2666, RS Pro

CF8M Stainless Steel Check Valves RS Pro Brand Screwed End Swing Check Valves that allow liquids to flow in only one direction. Features: 1/2 - 3" (DN15 - DN80) W.P: 200 WOG W.T: -20°C - 200°C (-4°F - 392°F) Investment casting Socket weld (option) Thread type: ASME B1.20.1 (NPT), DIN 2999 & BS21, ISO7/1 & EN10226 Material: Body, Cap & Disc - ASTM A351-CF8M Seal & Gasket - PTFE Plug - AISI 316 Bolt - AISI 304 Standards DIN 1.4408 Non Return/Check Valves - Swing Type Non-return or check valves which allow flow in one direction only.

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New items

222300, Spirax Sarco

Combined Sight Glass and Check Valve Spirax Sarco combined sight glass and check valve has been designed to observe discharges from steam traps. There is no need for a separate check valve as the condensate rises after the trap due to its position, thus simplifying installation. The valve is also suitable for use on other liquid lines for which the materials of construction are compatible. Position of ball check indicates whether or not condensate is flowing No need for separate check valve Gaskets made from Glass reinforced graphite laminate Horizontal or vertical fitting Material Specifications Ball Check Body Cap & Cover Cover Bolts Discharge Tube Sight Tube BS 970 420 S45 Stainless Steel BS 1400 LG1 Gunmetal BS 1400 PC81 Brass BS 3692 Gr. 8.8 Steel Zinc Plated BS 2871 PT2 C106 Copper Borosilicate Glass Warning Sight tube should be periodically checked for thinning

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New items

510-3750, RS Pro

Bronze Check Valve Suitable for steam, water and oil applications Metal-to-metal seat Pressure rating 9 bar at 180°C, 20 bar at 100°C Note Valves should only be mounted in the horizontal plane Non Return/Check Valves - Swing Type Non-return or check valves which allow flow in one direction only.

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New items

720-9282, RS Pro

Non-Return Valve A compact stainless steel non return disc check valve designed for use with steam and hot condensate. These valves have a CE marking of PN25. Connections are female screwed Low pressure drop Simple and compact design Horizontal or vertical installation

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New items

242-2831, RS PRO

RS PRO Single Check Valves – 10 Bar RS PRO is proud to introduce a range of single checks valves designed for use in water supplies. They are constructed for a DZR alloy and offer resilient seat and spring assistance, for rapid closure. Various sizes are available each intended for use in domestic hot water systems to prevent back flow, flow reversal and hydraulic shock. Features and Benefits Resilient seat and spring assistance, for rapid closure Installed horizontally or vertically Rapid closure spring assistance Prevents flow reversal and hydraulic shock Prevent back flow EPDM rubber disc facing Non return valve is uni-directional The EPDM O rings used in the check valve cartridge enables the valve to be used up to a maximum temperature of 90˚C. Connections: F x F screwed iron The valves provide category 2 protection for both backflow and back siphonage as specified in the Water Supply (Water Fittings) Regulations 1999. Supplied with taper female threaded ends complying with BS EN 10226. Body: DZR Alloy Cartridge: Polypropylene O Ring: EPDM End connections: BS EN 10226 Conform to BS EN 13959 Max inlet pressure: 10 bar Min inlet pressure: 0.1 bar Max continuous temperature: 60˚C Conforms to BS EN 13959 WRAS approved product Domestic Commercial Q: Should check valves be vertical or horizontal?

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New items

242-2836, RS PRO

The Altecnic CIM series is single check valve made by brass which allows flow in one direction only and can be used in heating, sanitary and compressed air systems, pumps and autoclaves. Suitable for heating, sanitary and compressed air systems, pumps and autoclaves Body in hot forged DZR brass Threading to BS 2779 Host form inner valve Spring in 18/8 AISI 302-304 stainless steel Hydrostatic test pressures: 30 bar/435 psi (shell), 22 bar/

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New items

510-3766, RS Pro

Bronze Check Valve Suitable for steam, water and oil applications Metal-to-metal seat Pressure rating 9 bar at 180°C, 20 bar at 100°C Note Valves should only be mounted in the horizontal plane Non Return/Check Valves - Swing Type Non-return or check valves which allow flow in one direction only.

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