Cast Steel Gate Valve Pressure Seal
“VALTECH” robust design, Cast Steel Pressure Seal 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” Cast Steel Pressure Seal 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 900# to 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 600 / 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 | Wedge (Flexible) | CCS A-216 Gr. WCB + Stelited | CAS A-217 Gr.WC6/WC9 + Stelited | |
| 4 | Seat Ring (Seal Weld) | SS A-276 TP 410 / 304 + Stld | ||
| 5 | Yoke | CCS A-216 Gr. WCB | CAS A-217 Gr.WC6/WC9 | |
| 6 | Bonnet Bush | SS A-276 TP 410 | SS A276 TP 304/316 | |
| 7 | Gasket | Spiral Wound SS 304/316 with Grafoil Filler | ||
| 8 | Retainer Ring | SS A-312 TP 304 | SS A-276 TP 304/316 | |
| 9 | Split Ring | |||
| 10 | Cover | CCS A-216 Gr. WCB | CSS A-351 Gr.CF8/CF8M | |
| 11 | Gland Packing | Grafoil | ||
| 12 | Gland Bush | SS A-276 TP 410 | SS A-276 TP 304/316 | |
| 13 | Gland Flange | CS A-515 Gr.70 | CS IS-226 | |
| 14 | Thrust Ball Bearing | Bearing Steel | ||
| 15 | Yoke Sleeve | S.G. Iron ASTM-A-536 Gr. 80-55-06 | ||
| 16 | Brg. Housing Cover | CS A-515 Gr.70 | ||
| 17 | Key | |||
| 18 | Hand Wheel | Fabricated Carbon Steel | ||
| 19 | Hand Wheel Nut | CS A-515 Gr.70 | ||
| 20 | Stud & Nut | AS/CS A-193 Gr.B7 & A-194 Gr. 2H | ||
| 21 | Spindle | SS A-276 TP 410 | SS A-276 TP 304/316 | |
|
DIMENSIONS |
|||||||
|
SIZE
|
900#
|
1500#
|
2500#
|
||||
| MM | INCH |
A |
B |
A |
B |
A |
B |
|---|---|---|---|---|---|---|---|
|
50 |
2” |
216 |
470 |
216 |
470 |
279 |
450 |
|
80 |
3” |
305 |
580 |
305 |
580 |
368 |
710 |
|
100 |
4” |
356 |
730 |
406 |
730 |
457 |
720 |
|
150 |
6” |
508 |
890 |
559 |
890 |
610 |
925 |
|
200 |
8” |
660 |
1040 |
711 |
1375 |
762 |
1370 |
|
250 |
10” |
787 |
1540 |
864 |
1540 |
914 |
1490 |
|
300 |
12” |
914 |
1785 |
991 |
1720 |
1041 |
1690 |
|
350 |
14” |
991 |
1825 |
1067 |
1730 |
1118 |
1850 |
* Refer To VALTECH
** Technical Improvements and alterations reserved