Building and Commercial Products « C.R.I. pumps
Gate Valves
Size : DN 50 - DN 300, MOC : WCB/CF8/CF8M
Applications
- Oil & Gas
- Petrochemicals
- Power Plants
- Chemicals & Fertilizers
- Sugar & Distilation
- Food & Pharmaceuticals
- Steam Service
- Metal & Mining
- Paper & Pulp
- Water & Waste Water
- Textile & Tenney
Salient Features
- Valves meet API 600 design requirements
- Body full bore to ensures streamlined flow hence no pressure drop
- Hardened seats minimize on line erosion & provide maximum service life
- Variety of materials available to suit special application requirement
- Body guided wedge ensures positive seating and eliminates side thrust & Flexible wedge ensure tight shut-off
- Graphite packing ring, top & bottom rings are braided graphite. It ensures effective stem sealing
Design Standard
| General Design | API 600 |
| Face to Face | ASME B 16.10 |
| Pressure & Temperature Rating | ASME B 16.34 (Standard Class) |
| Flange Standard Conformity | ASME B 16.5 |
| Test | API 598 |
| Trim & Seating surface as per API 600 Standard | |
Products Range
| Size | DN50 - DN300 |
| Type | Bolted Bonnet, OS & Y, Flexible Wedge |
| Rating | Class 150, Class 300 & Class 600 |
Material of Construction
| Part No. | Part Name | Material Specification | ||
| 201 | Body | A216 - WCB | A351 - CF8 | A351 - CF8M |
| 202 | Seat Ring | A105 + 13% Cr | A351 - CF8 | A351 - CF8M |
| 203 | Bonnet | A216 - WCB | A351 - CF8 | A351 - CF8M |
| 204 | Wedge | A217 - CA15 | A351 - CF8 | A351 - CF8M |
| 205 | Stem | A276 - 410 | A276 - 304 | A276 - 316 |
| 206 | Stem Nut | A439 - D2 | ||
| 207 | Back Seat Ring | A276 - 410 | A276 - 304 | A276 - 316 |
| 208 | Bonnet bush | A276 - 410 | ||
| 209 | Gland Flange | WCB | SS 304 | SS 316 |
| 210 | Gland bush | A276 - 410 | A276 - 304 | A276 - 316 |
| 211 | Packing* | Graphite Rings (Braided & Moulded) | ||
| 212 | Gasket | SS + Graphote Filled | ||
| 213 | Eye Bolt with Nut | A 307 - Gr.B | F 304 | F 304 |
| 214 | Eye Bolt Pin | A276 - 410 | A276 - 410 | A276 - 410 |
| 215 | Full Thread Stud with 2 Heavy Nuts | A193 - B7 / A194 - 2H | A193 - B8 / A194 - 8 | A193 - B8M A194 - 8M |
| 216 | Hand Wheel | DI / CS | ||
| 217 | Hand Wheel Lock Nut | MS with Blackencing | ||