IBR Approved Valves
IBR Gate Valve (Screwed & Hub) IS 778 Class-1
Premium IBR approved bronze gate valve with screwed & hub ends, conforming to IS 778 Class-1 design standard. Features non-rising stem with solid wedge and integral seat. Hub ends designed for boiler connections with superior sealing.
Test Pressure (Hydrostatic)
- Shell: 1.5 MPa
- Seat: 1.0 MPa
- Max Working Temp: 200C
IBR Approved
Boiler Feed Water Hub ConnectionHub ends designed for secure boiler connections. Complete IBR documentation provided.
Salient Features
- IBR Approved for boiler feed water applications
- Screwed One End, Hub Other End for boiler connections
- Non-Rising Stem, Solid Wedge, Integral Seat
- Premium Quality PTFE Gland Packing
- Design Standard IS 778, Class-1
- Provision for re-packing under pressure
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 ~ | Hub OD ~ | D (Screwed) |
|---|---|---|---|---|---|
| 1/2 | 15 | 65 | 115 | 28 | 1/2" |
| 3/4 | 20 | 70 | 128 | 34 | 3/4" |
| 1 | 25 | 80 | 145 | 42 | 1" |
| 1 1/4 | 32 | 90 | 168 | 50 | 1 1/4" |
| 1 1/2 | 40 | 100 | 185 | 58 | 1 1/2" |
| 2 | 50 | 115 | 215 | 72 | 2" |
| 2 1/2 | 65 | 130 | 255 | 88 | 2 1/2" |
| 3 | 80 | 145 | 295 | 105 | 3" |
| 4 | 100 | 170 | 360 | 135 | 4" |
~ +/-10
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