Flanged - BFR

Overview

Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa-42.0 MPa,Class150~2500 and nominal diameter of DN15-1200mm, NPS1/2-48 and working temperature of -196℃-540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.

Technical Data

Size: DN40-DN600mm  PN1.0-1.6MPa

Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel

Seat: EPDM, NBR

Stem: Stainless Steel

Spring: Stainless Steel

Flange Connection: DIN, ANSI, BS, JIS

Disc: Ductile Iron with Nickel Coating, Stainless Stee 304/316l, Alu-Bronze

Main Parameter Specification

BW end Dimension：ASME B16.25

Inspection and Test：API598, API600 

End Flange Dimension：ASME B16.5

Face to Face and End to End：ASME B16.10

Pressure-temperature ratings：ASME B16.34

Wall Thickness Dimension：API 600, BS 1868

Design and Manufacture：ASME B16.34, API 6D