Cast Steel Globe Valve Pressure Seal
“VALTECH” robust design, Cast Steel Pressure Seal Globe Valves are designed and manufactured with reference to Standard BS-1873 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 Globe 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 300NB 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 | BS-1873 / 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 |
1 | Body & Bonnet | ASTM A216 Gr. WCB, ASTM A 352 Gr. LCB, ASTM A 351 Gr. CF8/CF8M/CF3/CF3M |
2 | Disc & Seat Ring | ASTM A 216 Gr. WCB, ASTM A 351 Gr. CF8/CF8M/CF3/CF3M Seal faces are stellited |
3 | Stem & Gland | ASTM A 276 Type 410/304/316 |
4 | Yoke Sleeve | S.G. Iron |
5 | Gland Packing | Grafoil |
6 | Pressure Seal ring | Expanded Graphite |
7 | Stud / Nut | ASTM A 193 Gr. B7/B8 & ASTM A 194 Gr. 2H/8 |
8 | Yoke & Hand Wheel | Carbon Steel |
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DIMENSIONS |
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SIZE
|
900#
|
1500#
|
2500#
|
|||||||
| MM | INCH |
A |
B |
C |
A |
B |
C |
A |
B |
C |
|
50 |
2” |
* |
* |
* |
368 |
570 |
600 |
279 |
620 |
450 |
|
65 |
2.1/2” |
* |
* |
* |
419 |
580 |
600 |
* |
* |
* |
|
80 |
3” |
381 |
515 |
600 |
470 |
630 |
750 |
368 |
785 |
750 |
|
100 |
4” |
457 |
715 |
750 |
546 |
1085 |
* |
457 |
1210 |
* |
|
125 |
5” |
559 |
1060 |
* |
673 |
1145 |
* |
* |
* |
* |
|
150 |
6” |
610 |
1350 |
* |
705 |
1135 |
* |
610 |
1390 |
* |
|
200 |
8” |
737 |
1510 |
* |
832 |
1475 |
* |
762 |
1455 |
* |
|
250 |
10” |
838 |
1555 |
* |
991 |
1570 |
* |
* |
* |
* |
|
300 |
12” |
965 |
2035 |
* |
1130 |
1735 |
* |
* |
* |
* |
* Refer To VALTECH
** Technical Improvements and alterations reserved