IBR Certified Valves
IBR Check Valve (Horizontal, Screwed) IS 778 Class-1
Premium IBR certified bronze check valve with screwed cover, conforming to IS 778 Class-1 design standard. Features swing type disc with horizontal design for preventing backflow in boiler feed water applications.
Test Pressure (Hydrostatic)
- Shell: 1.5 MPa
- Seat: 1.0 MPa
- Max Working Temp: 200C
IBR Certified
Boiler Feed Water Backflow PreventionSwing type disc for low pressure drop. IBR documentation provided.
Salient Features
- IBR Certified for boiler feed water applications
- Screwed Cover for easy maintenance
- Swing Type Disc Design
- Horizontal Installation Orientation
- Design Standard IS 778, Class-1
- Low Pressure Drop
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) | A +/-1.5 | B ~ | OD ~ | D |
|---|---|---|---|---|---|
| 1/2 | 15 | 70 | 85 | 55 | 1/2" |
| 3/4 | 20 | 75 | 92 | 60 | 3/4" |
| 1 | 25 | 85 | 105 | 70 | 1" |
| 1 1/4 | 32 | 95 | 118 | 80 | 1 1/4" |
| 1 1/2 | 40 | 105 | 132 | 90 | 1 1/2" |
| 2 | 50 | 120 | 155 | 110 | 2" |
| 2 1/2 | 65 | 135 | 178 | 125 | 2 1/2" |
| 3 | 80 | 155 | 205 | 145 | 3" |
| 4 | 100 | 180 | 245 | 170 | 4" |
~ +/-10
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