API Forged Steel Check Valve SW / NPT Small Size Metallic Seating Surface

Api Forged Steel Check Valve Metal Seat HF Sw / Npt Non Return Valves Small Size

Description:

A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

Quick Details:
1. Constructions: OS&Y, Bolted Bonnet, Welded Bonnet & Pressure Sealed Bonnet;
2. Full Port / Reduced Port
3. Size Range: 1/2" to 2".
4. Pressure Ratings: ANSI 800LB, 900LB, 1500LB & 2500LB
5. End Connections: Threaded (Npt), Flanged, Butt weld, Socket Weld (SW).
6. Materials Available in: A105, LF2, F5, F11, F22, F304, F316, F51 or Equivalent;

7. Various trim materials are available to suit different service conditions
8. NACE MR 0175 on request

9. Test and inspection: API598

Standards

Design and manafacture: BS5352

End connection size:

1) Socket-weld dimension: ANSI B16.11

2) Screw thread dimension: ANSI B1.20.1

3) Butt-welding dimension: ANSI B16.25

4) Flange end dimension: ANSI B16.5

Valve inspection and test: API598

Material according to ANSI/ASTM

Features:

1. Pressure-temperature Ratings for Carbon Steel
CL150-285P.S.I @100° F

CL300-740P.S.I @100° F

CL600-1480P.S.I @100° F

CL800-1975P.S.I @100° F

CL1500-3705P.S.I @100° F

2. The Disc Type of Check Valve

Swing Type, Lifting Type, Ball Type Check Valve

3. Body and Bonnet Connection

Bolted bonnet

Welded bonnet

Pressure seal bonnet

4. Cover Gasket Style

Stainless steel + flexible graphite wounded gasket

Metal gasket, Metal ring gasket, Pressure seal bonnet design

5. Seat

Metallic Seating Surfaces,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.

6. Bore Type:

Full Bore (FB), Reduced Bore (RB)

Descriptions:

1. Forged Steel Check Valve Parts and Material List:

2. Main Connection Dimensions:

Class 800

Class 900 - 1500