1/2" - 2" Non Return Valve Flange Type Metal Seat HF Bolted Cover Full Bore FB NRV

Forged Steel Flanged Check Valve Metal Seat HF Bolted Cover Full Bore FB NRV

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

Description:

An important concept in check valves is the cracking pressure which is the minimum differential upstream pressure between inlet and outlet at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

Quick Details:
1. Constructions: OS&Y, Bolted Bonnet, Welded Bonnet & Pressure Sealed Bonnet;
2. Port type: Full Port
3. Size Range: 1/2" to 2".
4. Pressure Ratings: ANSI 150LB, 300LB, 600LB, 900LB, 1500LB & 2500LB
5. End Connections: Flanged
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

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)

Descriptions:

1.Forged Steel Check Valve Parts and Material List:

2. Main Connection Dimensions:

Class 150 - 300 - 600LB

Class 900 - 1500LB

Tengs Valve - China High Quality Industrial Valve and Strainer Supplier, With More than 20 Years' Manufacturing and Exporting Experience.

Our Leading Products are Cast Steel / Forged Steel Industrial Valves and Strainers, Such as Gate Valve, Check Valve, Globe Valve, Ball Valve, Butterfly Valve, Y Type Strainer, Basket Strainer, T Type Strainer and Temporary Strainer.

All the Industrial Valves and Strainers are According to the International Standards Api, Ansi, Din, and GB etc, and the Materials Include Carbon Steel, Alloy Steel and Stainless Steel: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, 4A, 5A, C95800, A105, LF2, F11, SS304, SS304L, SS316, SS316L, F51 and F53 etc. Sizes Range From 1/2" to 48" (Dn15 - Dn1200), Pressure Rating From Ansi Class150LB to 2500LB (Pn10 - Pn100).

Modern Workshop, Standardized Production, We Implement Strict Quality Inspection System, In-House Inspection or Third-Party Inspection to Make Sure All the Products are Qualified Before Delivery.

Our Industrial Valve and Strainer are Widely Used in Oil, Gas, Petrochemical, Water Treatment and Energy Industries. And exported to Many Countries and Regions.

We Provide OEM & Custom-made Service, Hope to Cooperate and Provide You the Quality Products and Service.