IBR Certified Valves
IBR Check Valve (Horizontal, Flanged) IS 778 Class-1
Premium IBR certified Cast Iron check valve with flanged ends, conforming to IS 778 Class-1 design standard. Features swing type disc with bolted cover and horizontal design. Flanges to IS 1538 for large diameter boiler applications.
Test Pressure (Hydrostatic)
- Shell: 2.4 MPa
- Seat: 1.5 MPa
- Max Working Temp: 230C
IBR Certified
Boiler Feed Water Large DiameterFlanges to IS 1538. Bolted cover for easy maintenance. Complete IBR documentation.
Salient Features
- IBR Certified for boiler feed water applications
- Flanged Ends to IS 1538
- Swing Type Disc Design
- Bolted Cover for easy maintenance
- Design Standard IS 778, Class-1
- SS 304 Overlay on Disc for extended life
Materials 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) | L (Face to Face) | H ~ | W ~ | Flange OD ~ |
|---|---|---|---|---|---|
| 1.5 | 40 | 130 | 180 | 120 | 130 |
| 2 | 50 | 150 | 200 | 140 | 145 |
| 2.5 | 65 | 170 | 225 | 160 | 165 |
| 3 | 80 | 190 | 255 | 180 | 185 |
| 4 | 100 | 210 | 290 | 210 | 210 |
| 5 | 125 | 250 | 340 | 250 | 250 |
| 6 | 150 | 280 | 385 | 290 | 285 |
| 8 | 200 | 330 | 470 | 350 | 345 |
| 10 | 250 | 380 | 560 | 420 | 405 |
| 12 | 300 | 430 | 650 | 490 | 460 |
~ +/-10
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