NRV Check Valve

Lug Type Double Disc Type Swing Check Valves Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Nominal Pressure: Class 150-2500 Connection type: WAFER, LUG, FLANGE, ETC. Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design. Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Operation: Damper and counterweight(optional

Flange Connecting Double Disc Type Swing Check Valves Check valve is usually installed in linesystem, prevent medium from flowing back. Check valve is an automatic valve that itis open and close by pressure of fluid. Against the problem of traditional check valve, we accord AMERICA API&GERMNEY DIN, after study and research for many years, developed H76 lug body type wafer, double-disc swing type wafer check valve, H74 swing single-plate wafer check valve, H71 lift wafer check

Forging Lift Check Valve,Non Return Valve 1. Full bore or reducing bore; 2. Lift check valve; 3. Ball check valve 4. Swing check valve 5. Builtin spring if requested; 6. Bolted connection, spiral gasket sealed bonnet, threaded connection,all-weld sealed bonnet, and threaded connection, pressure self-tightening bonnet; Coosai forged steel check valve has three designs of bonnet. Firstly, bolted bonnet, with its body and bonnet bolted, spiral wound gasket (made of 304

Forging Swing Check Valve,Non Return Valve Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Nominal Pressure: Class 150-2500 Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Connection type: RF,RTJ,FF, SW, NPT, BW Operation: Damper and counterweight(optional) Reduced or full bore. Integral seat. Contruction: B.C or W.C, Lift check valve, Swing check valve. Gasket:

Cast Steel Swing Check Valve,Non Return Valve Check valve is usually installed in linesystem, prevent medium from flowing back. Check valve is an automatic valve that itis open and close by pressure of fluid. Applicable Standards Connection type: RF,RTJ,FF, SW, NPT, BW Design Standard: API 6D, API 594, BS1868, API602 Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Nominal Pressure: Class 150-2500 Structure: Bolted Bonnet, Welded bonnet, Pressure seal,

Lug Type Double Disc Type Swing Check Valves Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design. Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Operation: Damper and counterweight(optional) Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Nominal Pressure: Class 150-2500 Connection type: RF,RTJ,FF, SW, NPT, BW,

Flange Connecting Double Disc Type Swing Check Valves Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Nominal Pressure: Class 150-2500 Connection type: WAFER, LUG, FLANGE, ETC. Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design. Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Operation: Damper and counterweight

Single Plate Wafer Swing Check Valve, Spring Check Valve, NRV (ANSI Standard) Against the problem of traditional check valve, we accord AMERICA API&GERMNEY DIN, after study and research for many years, developed H76 lug body type wafer, double-disc swing type wafer check valve, H74 swing single-plate wafer check valve, H71 lift wafer check valve, and series of those products. Used in the industry of oil, petro, metallurgy, electric, light industry, food, received high

Double Disc Wafer Swing Check Valve, Bronze NRV (Ansi Standard) Applicable Standards Design Standard: API 6D, API 594. Operation: Damper and counterweight(optional) Structure: Double disc. Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Connection type: RF,RTJ,FF, WAFER, LUG, ETC. Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Nominal Pressure: Class 150-2500

Swing Check Valve,NRV Check valve is usually installed in linesystem, prevent medium from flowing back. Check valve is an automatic valve that itis open and close by pressure of fluid. Used in the industry of oil, petro, metallurgy, electric, light industry, food, received high appraisal from customers. Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Connection type: RF,RTJ,FF, SW, NPT, BW Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double

Pressure Seal Swing Check Valve, NRV Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Connection type: RF,RTJ,FF, SW, NPT, BW Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design. Operation: Damper and counterweight(optional) Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2" Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Nominal Pressure: Class 150-2500

Swing Check Valve, Wafer Type Check Valve, Tilting Disk Check Valve Applicable Standards Design Standard: API 6D, API 594, BS1868, API602 Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design. Nominal Pressure: Class 150-2500 Operation: Damper and counterweight(optional) Connection type: RF,RTJ,FF, SW, NPT, BW Nominal Dimension: Casting Valve: 2”-48”,

Wafer Type Double Disc Type Swing Check Valves Check valve is usually installed in linesystem, prevent medium from flowing back. Check valve is an automatic valve that itis open and close by pressure of fluid.Against the problem of traditional check valve, we accord AMERICA API&GERMNEY DIN, after study and research for many years, developed H76 lug body type wafer, double-disc swing type wafer check valve, H74 swing single-plate wafer check valve, H71 lift wafer check valve,

Tilting Disc Flanged Check Valve 150LB~1500LB Applicable Standards Design Standard GB/T12221 API6DAPI594 Pressure-Temperature Rating GB/T12224 ASME B16.34 Face to Face Factory standard API6DAPI594 Flange Ends GB/T9113JB/T79 ASME B16.5, ASME B16. 47 Inspection & Test JB/T9092/GB/T13927 API598/API6D Test Pressure(MPA) Shell Test CL150 CL300 CL400 CL600 CL900 CL1500 High Pressure Seal Test 2.93 7.58 10.0 15.0 22.4 37.5 Low Pressure Seal Test 2.07 5.52 7.31 11.03 16.54 27.5

Tilting Disc Flanged Check Valve 2inch ~ 36inch Applicable Standards Design Standard GB/T12221 API6DAPI594 Pressure-Temperature Rating GB/T12224 ASME B16.34 Face to Face Factory standard API6DAPI594 Flange Ends GB/T9113JB/T79 ASME B16.5, ASME B16. 47 Inspection & Test JB/T9092/GB/T13927 API598/API6D Test Pressure(MPA) Shell Test CL150 CL300 CL400 CL600 CL900 CL1500 High Pressure Seal Test 2.93 7.58 10.0 15.0 22.4 37.5 Low Pressure Seal Test 2.07 5.52 7.31 11.03 16.54 27.5