Payment & Shipping Terms:
|Body Material:||Stainless Steel A351 CF8 / CF8M / CF3 / CF3M||Trim:||SS304, SS316, DSS|
|Size:||2in - 36in||Pressure Rating:||Class 150LB - 2500LB|
|Actuator:||Automatically||Connection Ends:||RF, FF, RTJ, BW|
|Disc Type:||Swing Type||Other:||OEM Available|
Stainless Steel Swing Check Valve A351 CF8M SS316 Metal Seat Api Non Return Valves H44W
1. Type: Swing Check Valve Stainless Steel
2. Bonnet Type: Bolted Bonnet
3. Disc Type: Swing Disc
4. Size Range: 2" to 36"
5. Pressure Ratings: ANSI 150LB - 2500LB
6. End Connections: Flanged, Butt welding
7. Materials: Cast Stainless Steel A351 CF8 / CF8M / CF3 / CF3M, A890 4A / 5A
8. Various trim materials available to suit service conditions
9. NACE MR 0175
Design and manufacture: Cast steel check valve according to BS 1868, ASME B16.34 and API 6D;
Forged stee! check valve according to API 602.
Inspection and test: API 598 or API 6D.
End flange dimension: ASME B16.5 (for NPS≤24),ASME B16.47 series B,
API 605 or ASME B16.47 series A,MSS SP-44 (for NPS > 24).
BW end dimension: ASME B16.25.
Socket-weld dimension: ASME B16.11.
Face to face and end to end: ASME
Pressure-temperature ratings: ASME B16.34.
Shell wall thickness: API 600 and BS 1868.
Bolted Bonnet; Swing and Lift Disc; Metallic Seating Surfaces
2. Body and Bonnet Connection
Class150 〜Class900 check valves are usually bolted bonnet. Class 1500 ~ Class2500 check valves are usually pressure seal bonnet design.
3. Cover Gasket Style
Stainless steel + flexible graphite wounded gasket is used for Class150 and Class300 check valve; Stain less steel + flexible graphite wounded gasket is used for Class600 check valve, and metal gasket is also optional for Class600 check valve; The metal ring gasket is used for Class900 check valve; The pressure seal bonnet design is used for Class1500 ~ Class2500 check valve.
For Stainless steel check valve, integrai seat is usually adopted, or it can be machined integrally after hard alloy welded. The threaded or welded type seat is also optional for stain less steel check valve if being requested by the customer.
1. Swing Check Valve Parts and Material List:
|Parts No.||Parts Name||Materials|
|1||Body||ASTM A351 CF8||ASTM A351 CF8M|
|2||Seat ring||ASTM A351 CF8||ASTM A351 CF8M|
|3||Disc||ASTM A351 CF8||ASTM A351 CF8M|
|4||Arm||ASTM A351 CF8||ASTM A351 CF8M|
|5||Nut||ASTM A194 8||ASTM A194 8M|
|6||Arm pin||ASTM A182 F304||ASTM A182 F316|
|7||Yoke||ASTM A351 CF8||ASTM A351 CF8M|
|8||Bonnet nut||ASTM A1948||ASTM A194 8M|
|9||Bon net bolt||ASTM A193 B8||ASTM A193 B8M|
|10||Bolt||ASTM A193 B8||ASTM A193 B8M|
|11||Gasket||304SS +Graphite||316SS +Graphite|
|12||Bonnet||ASTM A351 CF8||ASTM A351 CF8M|
|13||Eye bolt||ASTM A181||ASTM A181|
2. Hydro Test Specifications:
|Nominal Pressure (LB)||Shell Test||Water Seal Test||Air Seal Test|