NOZZLE CHECK VALVES
The axial flow valves are the check valves with the best fluid-dynamic characteristics, they are carried out with a soft or metallic seal.
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CLASS 150 – Fig. 3650
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 150 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" | 14" | 16" | 18" | 20" | 24" |
---|---|---|---|---|---|---|---|---|---|---|---|---|
L | 203 | 241 | 292 | 356 | 495 | 622 | 699 | 787 | 864 | 978 | 978 | 1295 |
L RJ | 216 | 254 | 305 | 368 | 508 | 635 | 711 | 800 | 876 | 991 | 991 | 1308 |
D | 152 | 190 | 228 | 279 | 343 | 406 | 482 | 533 | 597 | 635 | 698 | 813 |
CLASS 300 – Fig. 3655
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 300 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" | 14" | 16" | 18" | 20" | 24" |
---|---|---|---|---|---|---|---|---|---|---|---|---|
L | 267 | 318 | 356 | 445 | 533 | 622 | 711 | 838 | 864 | 978 | 1016 | 1346 |
L RJ | 283 | 333 | 372 | 460 | 549 | 638 | 727 | 854 | 880 | 994 | 1035 | 1368 |
D | 165 | 209 | 254 | 317 | 381 | 444 | 520 | 584 | 647 | 711 | 775 | 914 |
CLASS 600 – Fig. 3660
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 600 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" | 14" | 16" | 18" | 20" | 24" |
---|---|---|---|---|---|---|---|---|---|---|---|---|
L | 292 | 356 | 432 | 559 | 660 | 787 | 838 | 889 | 991 | 1092 | 1194 | 1397 |
L RJ | 295 | 359 | 435 | 562 | 664 | 791 | 841 | 892 | 995 | 1095 | 1200 | 1407 |
D | 165 | 210 | 273 | 356 | 419 | 509 | 559 | 603 | 686 | 743 | 813 | 940 |
CLASS 900 – Fig. 3665
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 900 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" | 14" | 16" | 18" | 20" | 24" |
---|---|---|---|---|---|---|---|---|---|---|---|---|
L | 368 | 381 | 457 | 610 | 737 | 838 | 965 | 1029 | 1130 | 1219 | 1321 | 1549 |
L RJ | 371 | 384 | 460 | 613 | 740 | 841 | 968 | 1038 | 1140 | 1232 | 1334 | 1569 |
D | 216 | 241 | 292 | 381 | 470 | 546 | 610 | 641 | 705 | 787 | 857 | 1041 |
CLASS 1500 – Fig. 3670
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 1500 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" | 14" | 16" | 18" | 20" | 24" |
---|---|---|---|---|---|---|---|---|---|---|---|---|
L | 368 | 470 | 546 | 705 | 832 | 991 | 1130 | 1257 | 1384 | 1537 | 1664 | 1943 |
L RJ | 371 | 473 | 549 | 711 | 841 | 1000 | 1146 | 1276 | 1407 | 1559 | 1686 | 1973 |
D | 216 | 267 | 311 | 394 | 483 | 584 | 673 | 794 | 825 | 914 | 984 | 1168 |
CLASS 2500 – Fig. 3675
CHARACTERISTICS
- Body materials: ASTM A216 WCB,A217 WC1, A217 WC6, A217 WC9,A217 C5, A217 C12, A217 C12A, A352 LCB, A352 LCC, A351 CF8, A351 CF8M, A351 CF8C, A351 CF3, A351 CF3M, A351 CN7M, Duplex and Superduplex (A890/995 Gr.4A, A890/A995 Gr.5A, A890/A995 Gr.6A), AluBronze (CC333G, BS1400 AB2, B148 C95800), Nickel Alloys( Inconel® 625, Incoloy® 825, Hastelloy® C276), Monel® and according to customer request.
TABLE PICTURE DETAILS
No | Part Name |
---|---|
1 | Body |
2 | Seat |
3 | Disc |
4 | Gasket |
5 | Diffusor |
6 | Spring |
7 | O-ring |
PART DETAILS
According to following standards:
- Design and Manufacture: ANSI B16.34, API 6D
- Face to face (end to end): ANSI B16.10, API6D
- Flanged connection: 2″~24″ to ANSI B16.5, 26″~36″ to MSS-SP-44 or to API 605, to ANSI B16.47 on request
- Butt welded end: ANSI B16.25
- Test and inspection: API 598, API 6D

CLASS 2500 TABLE
NB | 2" | 3" | 4" | 6" | 8" | 10" | 12" |
---|---|---|---|---|---|---|---|
L | 451 | 578 | 673 | 914 | 1022 | 1270 | 1422 |
L RJ | 454 | 584 | 683 | 927 | 1038 | 1292 | 1445 |
D | 235 | 305 | 356 | 483 | 552 | 673 | 762 |