Cast Steel Gate Valve Bolted Bonnet
“VALTECH” robust design, Cast Steel Gate Valves are designed and manufactured with reference to standard API 600 for Pipelines 50NB and above. They are available in Flanged and Buttweld 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 Cast Carbon Steel conforming to ASTM-A-216 Gr. WCB, Cast Alloy Steel like ASTM-A-217 Gr. WC-6 / WC-9; and Cast Stainless Steel like ASTM-A-351 Gr. CF-8, CF-3, CF-8M & CF-3M. Size range starts from 50 NB through 900NB and pressure rating from 150# to 600#.
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 |
| Ends | Flanged to ANSI B 16.5 / Butt Weld to ANSI B 16.25 |
| Testing | API 598 |
| Operation | Handwheel, Gear, Actuator. |
| MATERIAL OF CONSTRUCTION | ||||
|---|---|---|---|---|
| Sr.No. | Parts Name | Material | ||
| Carbon Steel | Alloy Steel | Stainless Steel | ||
| 1 | Body | CCS A-216Gr. WCB | CAS A-217 Gr.WC6 / WC9 | CSS A-351 Gr. CF-8 /CF-8M |
| 2 | Bonnet | |||
| 3 | Yoke | |||
| 4 | Wedge (Flexible) | CCS A-216Gr. WCB+ 13% Cr Facing | CAS A-217 Gr.WC6 / WC9 + 13% Cr Facing | |
| 5 | Seat Ring (Seal Weld) | Integral with body | ||
| 6 | Spindle | SS A-276 TP 410 | SS A-276 TP 410 | |
| 7 | Gland Bush | SS A-276 TP 410 | ||
| 8 | Gland Flange | Carbon Steel IS-2062 | ||
| 9 | Gasket | Spiral Wound SS 304 / 316 with Grafoil Filled | ||
| 10 | Bonnet Stud | Alloy Steel A-193 Gr. B7 | ||
| 11 | Bonnet Stud Nut | Carbon Steel A-194 Gr.2H | ||
| 12 | Yoke Stud | Alloy Steel A-193 Gr. B7 | ||
| 13 | Yoke Stud Nut | Carbon Steel A-194 Gr.2H | ||
| 14 | Bonnet Bush | SS A 276 TP 410 | Integral with bonnet | |
| 15 | Gland Packing | Grafoil | ||
| 16 | Cross Bolt | Carbon Steel A-307 Gr.B | ||
| 17 | Cross Bolt Nut | Carbon Steel A-563 Gr.A | ||
| 18 | Eye Bolt | Carbon Steel A-307 Gr.B | ||
| 19 | Eye Bolt Nut | Carbon Steel A-563 Gr.A | ||
| 20 | Yoke Sleeve | S.G. Iron ASTM-A-536 Gr. 80-55-06 | ||
| 21 | Locking Screw | Carbon Steel IS-6094 | ||
| 22 | Hand Wheel | Fabricated Carbon Steel | ||
| 23 | Hand Wheel Key | Carbon Steel IS-2062 | ||
| 24 | Hand Wheel Nut | Carbon Steel A-563 Gr.A | ||
| 25 | Name Plate | SS A-240 TP-304 | ||
| 26 | Yoke Cover | Cast Carbon Steel A-216 Gr. WCB | ||
| 27 | Thrust Bearing | Bearing Steel | ||
| DIMENSIONS | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SIZE | 150# | 300# | 600# | |||||||
| MM | INCH | A | J | ØK | A | J | ØK | A | J | ØK |
| 50 | 2” | 178 | 411 | 203 | 216 | 420 | 203 | 292 | 426 | 203 |
| 65 | 2.1/2” | 190 | 430 | 203 | 241 | 478 | 254 | 330 | 520 | 203 |
| 80 | 0 3” | 203 | 497 | 256 | 283 | 546 | 254 | 356 | 551 | 305 |
| 100 | 4” | 229 | 614.5 | 256 | 305 | 602 | 305 | 432 | 660 | 305 |
| 125 | 5” | 254 | 736 | 305 | 381 | 787 | 356 | * | * | * |
| 150 | 6” | 267 | 830.5 | 305 | 403 | 890 | 356 | 559 | 942 | 508 |
| 200 | 8” | 292 | 1026 | 356 | 419 | 1120 | 406 | 660 | 1257 | 508 |
| 250 | 10” | 330 | 1252 | 406 | 457 | 1310 | 508 | 787 | 1494 | 610 |
| 300 | 12” | 356 | 1466 | 508 | 502 | 1450 | 551 | 838 | 1718 | 660 |
| 350 | 14” | 381 | 1610 | 560 | 762 | 1690 | 711 | 889 | 1865 | 762 |
| 400 | 16” | 406 | 1830 | 610 | 838 | 1980 | 726 | 991 | 2053 | 864 |
| 450 | 18” | 432 | 2070 | 610 | 914 | 2107 | 865 | 1092 | 2286 | 864 |
| 500 | 20” | 457 | 2410 | 700 | 991 | 2303 | 915 | 1194 | 2508 | 965 |
| 600 | 24” | 508 | 2770 | 700 | 1143 | 2561 | 1070 | 1397 | 2927 | 965 |
| 650 | 26” | 559 | 2800 | 508 | * | * | * | * | * | * |
| 700 | 28” | 610 | 3065 | 508 | * | * | * | * | * | * |
| 750 | 30” | 610 | 3295 | 610 | * | * | * | * | * | * |
| 800 | 32” | 610 | 3610 | 610 | * | * | * | * | * | * |
| 900 | 36” | 711 | 3840 | 650 | * | * | * | * | * | * |
* Refer To VALTECH
** Technical Improvements and alterations reserved