Technical Data
Size: DN40-DN600mm PN1.0 - 1.6MPa
Working temperature: -196℃ ~ +560℃
Stem: Stainless Steel
Spring: Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, etc
Flange Connection: DIN, ANSI, BS, JIS, UNIVERSAL FLANGE
Standards
BW end Dimension：ASME B16.25
Face to Face and End to End：ASME B16.10
Pressure-temperature ratings：ASME B16.34
Wall Thickness Dimension：API 600, BS 1868
Inspection and Test：API598, API600 or API 6D
Design and Manufacture：Cast Steel Check Valve to BS 1868, ASME B16.34, API 6D
End Flange Dimension：ASME B16.5 (ASME B 16.47 series B, API 605, ASME B16.47 A Series)
Feature
1. Low volume, light weight, short structural length;
2. Applicable for and easily installed for vertical or horizontal pipelines;
3. Integrated structure, simple and compact,in beautiful shape;
4. Smooth flow passageway and small fluid resistance;
5. Narrow valve travel and small closedown impact;
6. Long service life and good reliability.