Flanged End Dual Check Valve
Product Range
Nominal diameter: 1.5" ~ 60" (DN40 ~ DN1500)
Pressure range: Class 150 ~ 2500 (PN16 ~ PN420)
Working temperature: -196℃ ~ +560℃
Body material: carbon steel, stainless steel, alloy steel, bronze
End Connection: RF,RTJ, BW
Product Features
Resilient Buna-N or EPDM Seat
Upper and lower PTFE thrust washers
Wafer body style fit between FF or RF flanges
Torsion springs assist valve closure, preventing flow reversal
Thrust washer reduce friction and wear of valve plate hinges
Main Parameter Specification
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D, JB/TB8937;
Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74.