Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
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.
Nominal diameter: 2" ~ 24" (DN50 ~ DN600)
Pressure range: Class 150 ~ 2500 (PN16 ~ PN150)
Working temperature:-196℃ ~ +560℃
Body material: carbon steel, stainless steel, alloy steel, bronze, etc
Small volume and light weight;
Rapid closing and flexible actions of the valve clack;
Smooth fluid passageway and small fluid resistance;
Small closing impact, water hammer is not liable to be generated;
Compact and reasonable product structure, reliable tightness and good performance.
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;
Pipe flange: JB/T74~90, JB/T9112~9124, HG20592~20635, SH3406, ASME B16.5, DIN2543~2548, API605, ASME B16.47.
Material For Choice
A216 Gr. WCB, WCC, WCA , etc
Low temperature steel
A352 Gr. LCB, LCC, LC1, etc
A217 Gr. WC6, WC9, C5, C12, C12A, etc
A351 Gr. CF8, CF8M, CF3 , CF3M, CF8C, etc
CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc
A995 Gr. 4A, 5A , CE8MN, CD6MN, CD3MN, etc
B148 C95500, C95600, C95800, etc
M30C, M35-1, CZ100, etc
CY40 inconel 600, etc
CW2m Hastelly C4, N12MV Hastelloy B, CW12MW Hastelloy C276, etc
CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc