Non-return valves are key safety devices in gas systems, plants and pipelines. They prevent the formation of dangerous gas mixtures and other 

In-line NRVs: This type of non-return valve uses a spring and the flow is allowed when the upstream pressure exceeds the spring tension. Again when the pressure goes below the pressure to overcome spring tension the flow is blocked. Folding Disc NRVs: Mainly used for gaseous or low-pressure liquid service, this type of non-return valves are made in a wafer body pattern.

The HON590 non-return valve is designed to prevent reverse flow and must be fitted (GAS ACT 1972) in the gas line where air at higher pressure is mixed with 

Lowest price in 30 days. Get it as soon as Tue, Apr 12. FREE Shipping on orders over $25 shipped by Amazon. Feelers 1/4" One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack of 4. 4.1 out of 5 stars 82. $9.89 $

Cook Compression custom designs non-return valves based on pipe size, flow rate, pulsations, pressure, temperature and gas composition.

swing check valve BB series. for gas for steam. Temperature: 20, 300, 425, 450, 538 °C. Pressure: 6 bar - 40 bar. DN: 50 mm - 500 mm. DISCO swing check valves CB 14 and 26 for industrial applications Types CB 14 and CB 26 are used in industrial plants for non-aggressive media such as gas, liquid and steam.

F7373 – Cast Iron JIS 10K Swing (Flapper) Check Valve (Non-Return) Valve. A cast iron swing type (flapper) type check (non-return) valve with a bronze disc conforming JIS 10K Japanese specifications. It can be fitted in the horizontal position or in the vertical position with the flow going upwards. Type.

WITT gas non-return valves (Check valves) are used to protect plants, piping systems and outlet points against dangerous gas backflow and unwanted gas mixtures. Key features of

Europa Valve has recently completed an order of 6x 30” Class 600 Non-Slam Check Valves for a customer in the Middle East. Installation Location: Middle East. Description: 30” 600 RF Non-Slam Check Valve. Service: Natural Gas transmission. These valves have a duplex trim. The complete manufacturing of these valves, including a specialised

The gas non return valve from LT GASETECHNIK protects ring lines, tapping points or large consumers such as gas mixers, gas mixing systems 

BBTUS Check Valve, 2Pcs 3/8" 10mm Inline ABS One Way Water Non Return Check Valve For Fuel Gas Liquid Air. 4.4 out of 5 stars 650. $5.91 $ 5. 91. Get it as soon as Mon, Sep 19. FREE Shipping on orders over $25 shipped by Amazon. natural gas shut off valve fuel line shut off valve