Flanged / Butt Weld Check Valve Swing Type Disc Cast Carbon Steel 600LB

Swing Check Valve Cast Steel Ansi 600LB Metal Seat Bolted Cover NRV H44H Flanged / Bw

Quick Details:

1. Type: Swing Check Valve Cast Steel
2. Bolted Bonnet, Swing Disc,
3. Size Range: 2in - 36in.
4. Pressure Ratings: ANSI 600LB / 600#
5. End Connections: Flanged (RF, RTJ), Butt welding (BW).
6. Materials: Cast Steel in WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12, 4A, 5A or Equivalent,

7. Various trim materials available to suit service conditions
8. NACE MR 0175

Standards

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.

Face to face and end to end: ASME

Pressure-temperature ratings: ASME B16.34.

Shell wall thickness: API 600 and BS 1868.

Features

1. Generally

Bolted Bonnet;

Swing Disc;

Metallic Seating Surfaces

2. Body and Bonnet Connection

Class600 check valves are usually bolted bonnet.

3. Cover Gasket Style

Stain less steel + flexible graphite wounded gasket is used for Class600 check valve, and metal gasket is also optional for Class600 check valve

4. Seat

For carbon steel check valve, the seat is usually forged steel. The seat sealing surface may be spray-welded with hard alloy if specified by the customer. 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.

Descriptions:

1. Swing Check Valve Parts and Material List:

2. Main Connection Dimensions for Class 600LB: