PETRO VALVES PVT. LTD.
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Fire Safe Ball Valves
Product Details:
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Product Description
We have gained immense admiration from our respected clients for manufacturing and supplying premium quality Fire Safe Ball Valves. These are specifically designed ball valves to bear large temperature. They have a second metal sheet for safety purpose. In case of fire, when soft-seat get melted, ball moves and touch downstream metal seat to form a leak-tight seal. We manufacture floating and Trunion types of Fire Safe Ball Valves. In floating ball design, sealing takes place by allowing ball under pressure to make tight seal. For higher pressure, trunion mounted valves are used.
Features:
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Tight shutoff
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No external leakage
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Blow-out proof stem
Fire Safe Ball Valves
- Carbon steel for general use.
- Stainless steel for corrosive.
- Alloy stell for low temp./high temp service.
- Alloy 20, Hastelloy, monel for highly corrosive or abrasive application.
Engineering Data
| Design | BS 5351 / 1PI 6D / ANSI B16.34 |
| Testing | BS 6755 Part-II / API 598 |
| Flange End | ANSI B 16.5 |
| SW End | ANSI B 16.11 |
| Thread End | ANSI B 1.20.1 / ANSI B 2.1 |
| Face to Face | ANSI B 16.10 / API - 6D |
Material fo Construction
| Parts | Material | ||
| SS 316 | SS 304 | Cast Steel | |
| Body & Side Piece | ASTM A 351 CR CF 8M | ASTM A 351 GR CF 8 | ASTM A 216 GR WCB |
| Ball | ASTM A 351 CR CF 8M | ASTM A 351 CR CF 8M | ASTM A 351 CR CF 8M |
| STEM | SS 316 | SS 316 | SS 316 |
| Stud. & Nuts | ASTM A 193 88m/ ASTM A 194 8M | ASTM A 193 88m/ ASTM A 194 8M | ASTM A 193 88m/ ASTM A 194 8M |
| Seat | PTFE / GPTFE | PTFE / GPTFE | PTFE / GPTFE |
| Body Gasket | PTFE / GRAFOIL | PTFE / GRAFOIL | PTFE / GRAFOIL |
| Gland Packing | PTFE / GRAFOIL | PTFE / GRAFOIL | PTFE / GRAFOIL |
| Lever | SS / CS | SS / CS | CS |
Operating Torque
| Size | FB | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 |
| RB | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | ||
| Nt. Mt. | NM | 4 | 8 | 14 | 28 | 33 | 55 | 75 | 100 | 245 | 505 | 1075 | 1600 | 2230 |
Flow Coefficient (Cv)
Flow coefficients by defination is the volume of water in Gallon perminute what will flow through valve at pressure drop of one psi.
| Size | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 |
| FB | 28 | 50 | 96 | 200 | 270 | 500 | 1100 | 320 | 2400 | 5500 | 10000 | 13500 | 18200 |
| RB | 39 | 26 | 50 | 95 | 190 | 270 | 500 | 1100 | 1300 | 2400 | 5500 | 10000 | 13500 |
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