Viton Seat Wafer Check Valve
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.
1/2" ~ 48" (DN15 ~ DN1200)
Class 150 ~ 1500 (PN16~PN420)
-196℃ ~ +560℃
Water, Steam, Oil products, etc
Carbon steel, Stainless steel, Alloy steel, Bronze, etc
Low volume, light weight, only 1/4~1/20 of those of traditional flanged check valve;
Short structural length, only 1/4~1/8 of that of traditional flanged check valve;
Applicable for and easily installed for vertical or horizontal pipelines;
Smooth flow passageway and small fluid resistance;
Narrow valve travel and small closedown impact;
Long service life and good reliability.
Face to Face
API594, API6D, JB/T8937
API594, API6D JB/T8937
JB/T74-90, GB/T13402, GB/T9112-9124, ANSI B16.5, API604, ASME B 16.47, DIN2543-2548
JB/T74, GB/T9124, HG20604-20625, ASME B16.34, DIN2401, SH3406
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