Carbon Steel 3 Inch, 4 Inch, 6 Inch, 8 Inch Flanged API NRV Check Valves API 598 Test
Carbon Steel 3 inch, 4 inch, 6 inch, 8 inch Flanged API NRV Check Valves API 598 Test
Main materials:
1) Body and bonnet: Cast iron, ductile cast iron, carbon steel
2) Ball: Carbon steel + NBR
Note: We accept design and manufacture of various non-standard valves
and arrange production according to users\' supplied drawings and samples
API Check Valves Specifications
1) Size: 2\" - 48\"
2) Class: 150lbs - 900lbs.
Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598
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