Cast Steel, Duplex Stainless Steel ASTM A995 4A Flanged Swing Check Valve, Ansi 1500LB, DSS, 2205, A890 4A, CD3MN, Flanged Non Return Valve, Bolted Bonnet.
ASTM A995 4A Flanged Swing Check Valve:
1. Design & Manufacture: ANSI B16.34, API594, API6D
2. Types of Disc: Swing Type
3. Types of Bonnet: Bolted Bonnet, Bolted Cover
Alternative: Pressure Seal Bonnet (PSB)
4. Types of Bonnet Gasket: Ring
5. Types of End Connections: Flange
6. Types of Flange Face: Raised Face, RF, RTJ
7. Types of Material: Duplex Stainless Steel, A995 4A, A890 4A, CD3MN, 2205, S31803
8. Type of Trim: Duplex Stainless Steel, A995-4A, A890-4A
9. Valve Size: 2 inch to 24 inch
10. Valve Pressure: Ansi Class 1500Lb, CL1500
11. Special Design: NACE MR 0175
12. Inspection and Test: API 598
13. Other Materials and Pressure are Available.
Main Material List For Duplex Stainless Steel Check Valves
Part Name
Material
A995 - 4A
A890 - 4A
Body
A995 - 4A
A890 - 4A
Bonnet
A995 - 4A
A890 - 4A
Disc
A995 - 4A
A890 - 4A
Bolts/Nuts
Stainless Steel
Stainless Steel
Main Face to Face Dimensions For 1500Lb Swing Check Valve
Class
Size
Dimensions(mm)
NPS
DN
L
RF
RTJ
BW
1500Lb
2
50
368
371
368
2 1/2
65
419
422
419
3
80
470
473
470
4
100
546
549
546
6
150
705
711
705
8
200
832
841
832
10
250
991
1000
991
12
300
1130
1146
1130
14
350
1257
1276
1257
16
400
1384
1407
1384
18
450
1537
1559
1537
20
500
1664
1686
1664
24
600
1943
1972
1943
