Cast Iron Check Valves
Cast Iron Check Valve (Horizontal Swing)
Premium cast iron check valve conforming to BS 5154 standard. Features horizontal swing type design with bolted cover and flanged ends. Automatically prevents backflow in water, sewage, and industrial fluid systems. PN16 rating.
Test Pressure (Hydrostatic)
- Shell: 2.4 MPa (PN 24)
- Seat: 1.5 MPa
- Max Working Pressure: 1.6 MPa (PN 16)
Suitable For
Water Sewage Industrial FluidsMaterials of Construction (MOC)
| Component | Material Specification |
|---|---|
| Body & Bonnet | Ductile Iron (ASTM A536 / EN-GJS-400-15) |
| Stem / Spindle | SS 410 / SS 420 |
| Seat / Trim | EPDM / NBR / Bronze |
Technical Specifications
| Parameter | Specification / Standard |
|---|---|
| Manufacturing / Design Standard | EN 1171 / AWWA C509 / BS 5163 |
| Testing Standard | API 598 / EN 12266-1 |
| Pressure Rating | PN16 / PN25 |
Sizes / Dimensions
| Size (Inches) | Size (mm) | Face to Face (mm) | Height (mm) | Max Width (mm) |
|---|---|---|---|---|
| 1.5 | 40 | 165 | 130 | 150 |
| 2 | 50 | 178 | 150 | 165 |
| 2.5 | 65 | 190 | 170 | 185 |
| 3 | 80 | 203 | 195 | 210 |
| 4 | 100 | 229 | 230 | 250 |
| 5 | 125 | 254 | 270 | 290 |
| 6 | 150 | 267 | 305 | 330 |
| 8 | 200 | 292 | 380 | 420 |
| 10 | 250 | 330 | 460 | 500 |
| 12 | 300 | 356 | 530 | 580 |
| 14 | 350 | 381 | 600 | 650 |
| 16 | 400 | 406 | 680 | 730 |
| 18 | 450 | 432 | 750 | 810 |
| 20 | 500 | 457 | 830 | 900 |
| 24 | 600 | 508 | 970 | 1050 |
Larger sizes available on request.
Applications
Water Supply
Pump protection, mains
Sewage Treatment
Backflow prevention
Industrial
Process lines
Irrigation
Water control systems
Related Products
Need a Custom Enquiry?
Contact our technical team for pricing, bulk orders, or custom specifications.
Purchase Options
Material of Construction
| S.N. | Parts Name | Material | Qty |
|---|---|---|---|
| 01 | Body | ASTM A 216 Gr. WCB | 1 |
| 02 | Cover | ASTM A 216 Gr. WCB | 1 |
| 03 | Hinge | ASTM A 216 Gr. WCB | 1 |
| 04 | Sear Ring | AISI 410/ASTM A 217 Gr. Ca15 | 1 |
| 05 | Disc | ASTM A 217 Gr. Ca15/WCB+13 Cr. Facing | 1 |
| 06 | Disc Returning Nut | AISI 304 | 1 |
| 07 | Disc Washer | AISI 304/410 | 1 |
| 08 | Cotter Pin | AISI 304 | 1 |
| 09 | Hinge Pin | AISI 410 | 1 |
| 10 | Plug | Carbon Steel | 1 |
| 11 | Cover Gasket | Asbestos Filler SS 304 Spiral Wounded/Caf | 1 |
| 12 | Cover Studs | M.S. | Req. |
| 13 | Cover Nuts | M.S. | Req. |
| 14 | Lifting Eye Ball | Carbon Steel | 1 |
Testing Details & Standards
- Class: 150
- Hydro Test Pressure Body: 425 PSI
- Seat: 300 PSI
- Max Temp: 200°C
- Air Test: Seat 80 PSI ± PSI
Dimension Tables
| Size | FB | L | H | ØD | B | ØG | ØJ | PSD | N |
|---|---|---|---|---|---|---|---|---|---|
| 25 | 25 | 127 | 95 | 108 | 11.18 | 50.8 | 15.75 | 79.25 | 04 |
| 32 | 32 | 139.8 | 102 | 117 | 12.7 | 63.5 | 15.75 | 89 | 04 |
| 40 | 38 | 165.2 | 110 | 127 | 14.22 | 73.15 | 15.75 | 98.5 | 04 |
| 50 | 51 | 203 | 130 | 154.4 | 15.75 | 92 | 19.05 | 120.65 | 04 |
| 65 | 64 | 216 | 140 | 178 | 17.53 | 104.65 | 19.05 | 139.7 | 04 |
| 80 | 76 | 241.3 | 162 | 190.5 | 19.05 | 127 | 19.05 | 152.4 | 04 |
| 100 | 102 | 292 | 187 | 228.6 | 23.88 | 157.23 | 19.05 | 190.5 | 08 |
| 125 | 127 | 330 | 217 | 254 | 23.88 | 185.67 | 22.35 | 216 | 08 |
| 150 | 152 | 355.6 | 235 | 279.4 | 25.4 | 215.9 | 22.35 | 241.3 | 08 |
| 200 | 203 | 465.3 | 285 | 343 | 28.45 | 270 | 22.35 | 298.45 | 08 |
| 250 | 254 | 622.3 | 338 | 406 | 30.23 | 324 | 25.40 | 362 | 12 |
| 300 | 305 | 698.5 | 380 | 483 | 31.75 | 381 | 25.40 | 432 | 12 |