Welded Check Valve

Welded Check Valve

Welded Check Valve Model No.: H61H China Welded Check Valve manufacturer KEMUS offers Bolted Bonnet Welded Check Valve, ASTM A105, A182 F22/F304/F316, A276 disc, SS Gasket, 150-1500#. Welded check valve has three varieties of valve bonnet designs. The first kind is bolt bonnet, which adopts...

Product Details

Welded Check Valve


Model No.: H61H   

China Welded Check Valve manufacturer KEMUS offers Bolted Bonnet Welded Check Valve, ASTM A105, A182 F22/F304/F316, A276 disc, SS Gasket, 150-1500#.


Welded check valve has three varieties of valve bonnet designs. The first kind is bolt bonnet, which adopts fillet and groove joint and uses gasket with the material of stainless steel and flexible graphite. It can also adopts ring type joint as required. The second kind is welded bonnet,. It is welded after screw thread sealing. It can also adopt rigid welding as required. The third kind is self-sealing bonnet which connects by thread and pressure seal bonnet.
 
Introduction 
Welded check valve open or close the disc by medium to avoid refluence of medium. It is also called as cut-off valve, one-way valve, reflux valve and back pressure valve.. Welded check valve can be classified into swing check valve (rotating with barycenter) and lift check valve (moving along with axis).
 
Manufacturing Specifications
Manufacturing: MSS SP-118,BS5352,ANSI/ASME B16.34
Test & Inspection: API 598
Marking: MSS SP-25
 
Structure 
1. Full bore or reduced bore;
2. Lift check valve;
3. Ball check valve;
4. Swing check valve;
5. Using spring to assist reset;
6. Bolt bonnet, welded bonnet and self-sealing bonnet
7. Socket Welding: ANSI/ASME B16.11 8;
8. Thread(NPT): ANSI/ASME B1.20.1.

Materials 
NO.ComponentsAmerican Standards 
Carbon Steel CS to ASTM
American Standards 
Alloy Steel AS to ASTM
American Standards 
Stainless Steel SS to ASTM


Type A 105Type F22Type F304(L)Type F316(L)
1Body A105A182 F22A182 F304(L)A182 F316(L)
2Lift valve discA276 410A276 304A276 F304(L)A276 F316(L)
3gasket Corrugated SS+graphiteSS+PTFE
4Bonnet A105A182 F22A182 F304(L)A182 F316(L)
5Name Plate
6Bolt A193 B7A193 B16A193 B8MA193 B8M
Applicable Medium   Water, oil, gas, etcHNO3,CH3OOH, etc
Applicable Temperature-29℃~425℃-29℃~550℃-29℃~180℃
Notes: other materials based on requirements. CS=carbon steel; AS=alloy steel; SS=stainless steel 

Dimensions & Weights
Size PortReduced Bore(RB)3/81/23/411 1/41 1/22
NPSFull Bore(FB)
3/81/23/411 1/41 1/22
L150~800Lb797992111120152172200

900~1500Lb111111111130152172220220
H(OPEN)150~800Lb6161657995103118132

900~1500Lb65797997104120139215
WeightsBolted150~800Lb1.41.21.53.13.95.68.912.5


900~1500Lb1.63.43.35.56.09.212.916.2

Welded150~800Lb1.11.01.22.93.34.98.110.9


900~1500Lb1.33.23.14.85.48.511.214.3



We company have other valves: gate valve, check valve, ball valve, butterfly valve, safety valve, globe valve, plug valve, etc....


Welcome to inquiry! our valves


XIAMEN KEMUS VALVE CO.,LTD.

Website : https://www.kemus-valve.com

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