Duplex Stainless Steel ASTM A995 4A Check Valve,6 IN,300 LB
Key Specifications / Features
Duplex Stainless Steel Check Valve Manufacturer: Offering ASTM A995 4A, 6 Inch, Class 300 LB, DN150, PN50, BS 1868, API 6D, Integral Seat, Full Port, RF Flanged valves.
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Detail Information
Duplex Check Valve, Duplex steel, NPS 6, ASME B16.10, 300 LB, 4A, RF, FULL PORT.
Valve description：
Duplex Check Valve, bolted bonnet, raised face flanged, integral seat.
Design: BS 1868, API 6D.
Body: ASTM A995 4A
Nominal size: 6 Inch.
Nominal class: 300 LB.
End Connection: RF flanged.
Face to face: ASME B16.10, GB/T 12221.
Test and inspection: API 598.
Product Range:
Body material: Duplex Steel.
Normal diameter: 2 - 20 Inch (DN50 - DN500).
End connection: Flanged.
Pressure range: 150 - 600 LB (PN16 - PN100).
Working temperature: -29℃ - +429℃.
Technical parameters and characteristics
Valve description：
Duplex Check Valve, bolted bonnet, raised face flanged, integral seat.
Design: BS 1868, API 6D.
Body: ASTM A995 4A
Nominal size: 6 Inch.
Nominal class: 300 LB.
End Connection: RF flanged.
Face to face: ASME B16.10, GB/T 12221.
Test and inspection: API 598.
Product Range:
Body material: Duplex Steel.
Normal diameter: 2 - 20 Inch (DN50 - DN500).
End connection: Flanged.
Pressure range: 150 - 600 LB (PN16 - PN100).
Working temperature: -29℃ - +429℃.
Technical parameters and characteristics
| Product | Duplex Check Valve. |
| Nominal diameter | 2 Inch - 20 Inch. |
| Design temp. | Down to -29℃. |
| Design pressure | Class 150 - 600 LB. |
| Material | Duplex Steel. |
| Design standard | BS1868/ API6D. |
| Face to face | ASME B16.10/GB/T 12221. |
| Connection end | Flange, Butt Welding. |
| Test standard | API 598. |
| Package | Plywood |
| Application | water, oil and gas. |
| Certificate | CE, TUV, ISO9001, ISO14001 |
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Source: https://www.vervovalve.com/duplex-stainless-steel-astm-a995-4a-check-valve-6-in-300-lb.html