Forged Steel Check Valve
“VALTECH” compact design & high pressure, Forged Steel Lift Check Valves are designed and manufacture 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. If required, Valves can be offered under any THIRD PARTY INSPECTION .
“VALTECH” Lift Check 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
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MANUFACTURING REFERENCE STANDARDS |
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| 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 |
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MATERIAL OF CONSTRUCTION |
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| 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 | Cover | |||
| 3 | Seat Ring | SS-410 | SS-410 | Integral with Body |
| 4 | Disc | SS-304/316 | ||
| 5 | Gasket | Spiral wound SS-304/316 with Grafoil filled | ||
| 6 | Cover Bolting | Alloy steel A-193 Gr. B7 | ||
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DIMENSIONS |
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SIZE |
800# |
1500# |
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| MM | INCH |
A |
F |
A |
F |
|
15 |
½” |
87 |
54 |
90 |
63 |
|
20 |
¾” |
90 |
63 |
105 |
77 |
|
25 |
1” |
105 |
77 |
128 |
98 |
|
32 |
1.1/4” |
128 |
98 |
* |
* |
|
40 |
1.1/2” |
128 |
98 |
142 |
105 |
|
50 |
2” |
142 |
105 |
* |
* |
* Refer To VALTECH
** Technical Improvements and alterations reserved