Check Valves — Technical Specifications & Enquiry
Supreme Valves India manufactures premium quality NAB Check Valve for industrial applications including Oil & Gas, Petrochemical, Power, Water Treatment, and Marine. Our valves are manufactured to international standards (API, ASME, BS, IS, DIN, EN) and are export-ready for KSA, UAE, Qatar, Oman, Kuwait, Bahrain, Egypt, Nigeria, Kenya, UK, and USA.
For complete technical specifications including materials of construction, pressure ratings, dimensions, testing requirements, and applicable standards, please download the technical datasheet. For project-specific requirements, custom materials, or deviation forms, contact our engineering team.
Our engineering team can prepare project-specific enquiries for any valve type, material, or application. Send us your technical requirements and we'll respond within 24 hours.
Request Enquiry| S.N. | Parts Name | Material |
|---|---|---|
| 01 | BODY | FORGE STEEL ASTM A 105 |
| 02 | COVER | FORGE STEEL ASTM A 105 |
| 03 | VALVE | AISI 410 ( 13% CR. ) |
| 04 | SEAT RING | AISI 410 ( 13% CR. ) |
| 05 | BONNET GASKET | SPIRAL WOUND S.S. 304 WITH CAF |
| 06 | COVER STUD & NUT | ASTM A 193 GR. B7 / ASTM A 194 GR. 2H |
| 07 | SPRING | STANDARD |
| Table | Size | Inch | M.M. | A | B | E | Ø F | Ø G | H | Ø C | Ø D | Ø M | N | PCD |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCREWED / SOCKET WELD CLASS - 800 | 1/2" | 1/2" | 15 | 85 | 10 | 13 | 22.0 | 9.0 | 50 | - | - | - | - | - |
| SCREWED / SOCKET WELD CLASS - 800 | 3/4" | 3/4" | 20 | 90 | 13 | 13 | 27.5 | 12.7 | 62 | - | - | - | - | - |
| SCREWED / SOCKET WELD CLASS - 800 | 1" | 1" | 25 | 105 | 13 | 15 | 34.0 | 17.5 | 68 | - | - | - | - | - |
| SCREWED / SOCKET WELD CLASS - 800 | 1.5" | 1.5" | 40 | 128 | 15 | 25 | 48.6 | 28.6 | 100 | - | - | - | - | - |
| SCREWED / SOCKET WELD CLASS - 800 | 2" | 2" | 50 | 142 | 16 | 25 | 61.0 | 36.5 | 100 | - | - | - | - | - |
| CLASS - 150 | 1/2" | 1/2" | 15 | 108 | - | - | - | - | - | 35 | 89 | 15.9 | 4 | 60.4 |
| CLASS - 150 | 3/4" | 3/4" | 20 | 118 | - | - | - | - | - | 43 | 98 | 15.9 | 4 | 70.0 |
| CLASS - 150 | 1" | 1" | 25 | 137 | - | - | - | - | - | 51 | 108 | 15.9 | 4 | 79.0 |
| CLASS - 150 | 1.5" | 1.5" | 40 | 165 | - | - | - | - | - | 73 | 127 | 15.9 | 4 | 98.5 |
| CLASS - 150 | 2" | 2" | 50 | 203 | - | - | - | - | - | 92 | 152 | 19.1 | 4 | 120.6 |
| CLASS - 300 | 1/2" | 1/2" | 15 | 152 | - | - | - | - | - | 35 | 95.0 | 15.9 | 4 | 66.5 |
| CLASS - 300 | 3/4" | 3/4" | 20 | 178 | - | - | - | - | - | 43 | 117.0 | 19.1 | 4 | 82.5 |
| CLASS - 300 | 1" | 1" | 25 | 203 | - | - | - | - | - | 51 | 124.0 | 19.1 | 4 | 89.0 |
| CLASS - 300 | 1.5" | 1.5" | 40 | 229 | - | - | - | - | - | 73 | 155.5 | 19.1 | 4 | 114.0 |
| CLASS - 300 | 2" | 2" | 50 | 267 | - | - | - | - | - | 92 | 165.0 | 22.2 | 8 | 127.0 |