Forged Steel Gate Valve
“VALTECH” compact design & high pressure, Forged Steel Gate Valves are designed and manufactured with reference to standard API 602 for small Pipelines up to 50NB. They are available in Threaded as well as Socket Weld ends. Hard Faced Trim material ensures perfect Sealing and longer life. Lapped Back Seat is provided to ensure re-packing/replacing of Gland Packing in stream, when the Valve is in full open condition which ensures maximum safety, convenience and economy. If required, Valves can be offered under any THIRD PARTY INSPECTION.
“VALTECH” Gate Valves are available in various materials like Forged Carbon Steel conforming to ASTM-A-105, Forged Alloy Steel like ASTM-A-182-F11, F22 and Forged Stainless Steel like ASTM-A-182 F304, F304L, F316 and F-316L. Size range starts from 15 NB through 50NB and pressure rating up to ANSI 2500#.
Special Features
- Gear Operation-applied force exceeds 350N
- Limit Switch Arrangement
- Electrical & Pneumatic Arrangement
- Lantern ring arrangement for Vacuum service
- IBR Certified
- NACE MR 0175 & MR 0103
- Position indicator
- Locking Arrangement
- Extended Stem
| MANUFACTURING REFERENCE STANDARDS | |
|---|---|
| Design | API 602 / ANSI B 16.34 / BS-EN-ISO-15761-2002 |
| Ends | Socket Weld to ANSI B 16.11 / Screwed to ANSI B 2.1 |
| Testing | API 598 |
| MATERIAL OF CONSTRUCTION | ||||
|---|---|---|---|---|
| Sr.No. | Parts Name | Material | ||
| Carbon Steel | Alloy Steel | Stainless Steel | ||
| 1 | Body | FCS A-105 | FAS F-11/F-22 | FSS F-304/316 |
| 2 | Bonnet | |||
| 3 | Seat Ring | SS-410 | SS-410 | SS-304/316 |
| 4 | Wedge | CA-15 | CA-15 | CF8/CF8M |
| 5 | Spindle | SS-410 | SS-410 | SS-304/316 |
| 6 | Gasket | Spiral wound SS-304/316 with Grafoil filled | ||
| 7 | Bonnet Bolt | Alloy steel A-193 Gr. B7 | ||
| 8 | Screw | Carbon Steel | ||
| 9 | Washer | Carbon Steel | ||
| 10 | Gland Packing | Grafoil | ||
| 11 | Gland Bush | SS-410 | SS-410 | SS-304/316 |
| 12 | Gland Flange | Forged Carbon Steel ASTM-A-105 | ||
| 13 | Eye Bolt & Nut | Alloy steel / Carbon steel | ||
| 14 | Yoke Sleeve | S.G. Iron ASTM-A-536 Gr. 80-55-06 | ||
| 15 | Hand Wheel | Malleable Iron | ||
| 16 | Hand Wheel Nut | Carbon Steel | ||
| 17 | Back Seat | Integral with Bonnet | ||
| DIMENSIONS | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 800# | 1500# | 2500# | |||||||
| MM | INCH | A | Ø F | H | A | Ø F | H | A | Ø F | H |
| 15 | ½” | 87 | 85 | 169 | 90 | 90 | 171 | 105 | 90 | 181 |
| 20 | ¾” | 90 | 85 | 174 | 105 | 90 | 190 | 128 | 145 | 260 |
| 25 | 1” | 105 | 90 | 194 | 128 | 145 | 256 | 142 | 145 | 276 |
| 32 | 1.1/4” | 128 | 145 | 267 | 142 | 145 | 269 | * | * | * |
| 40 | 1.1/2” | 128 | 145 | 267 | 142 | 145 | 274 | * | * | * |
| 50 | 2” | 142 | 145 | 277 | * | * | * | * | * | * |
* Refer To VALTECH
** Technical Improvements and alterations reserved