Flange forged steel swing check valve is self operated type, automatically open or closed by flow service, it's adopted for prevent the service flow in reverse direction. The function of the Flange forged steel swing check valve is allow service flow in one direction, and prevent the service in reverse direction. And generally the valves are operated automatically, the Flange forged steel swing check valve open by service pressure of one direction; when the service flow in reverse direction, then the flow service pressure press the disc to the seat, and shut off the flow.

Flange forged steel swing check valve Sizes From 1/2in to 2in, Pressure Rating From Ansi 150Lbs to 2500Lbs, The Forged Steel Check Valve Can Be Designed to Following Bonnet Type: Bolted Bonnet (BB), Welded Bonnet (WB) and Pressure Seal Bonnet (PSB). 

 

Flange forged steel swing check valve Standards:

Size: DN10 - DN50

Pressure class :150LB-2500LB (0.6-42.0mpa)

Valve body material :A105, F11, LF2, F304, F316, etc

Applicable medium: water, steam, oil, etc

Connection: flange, socket welding, NPT internal thread

Operation mode: automatic
 

Flange forged steel swing check valve Applicable Temperature range:

(1) Carbon steel, available temperature range: -29ºC~+425ºC

(2) Alloy steel, available temperature range: ≤550ºC

(3) Stainless steel, available temperature range: -196ºC~+ 200ºC
 

Flange forged steel swing check valve features:

(1) Full size or reduced size design

(2) Three bonnet types: bolted, welded, self-sealing

(3) sealing surface is not easy to wear, abrasion, good sealing performance, long life.

(4) Simple in shape, short face-to-face length, good technic in producing, and widely applied