Pressure Seal Globe Valve – Class 900 / 1500 / 2500
ASME B16.34 pressure-seal globe valve for extreme service. Butt-weld ends with Grafoil gasket and self-sealing bonnet ensure performance at the highest operating pressures.
- Pressure
- Class 900 – Class 2500
- Size Range
- 2" to 14"
- Testing
- API 598
⚠ Pending engineering review: Pending engineering sign-off: pressure figure is a hydro-test (shell) value, not a confirmed Class rating.
- 01
Pressure Rating
Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
- 02
Size Range
- 03
Material
- 04
Standards
01
Pressure Rating
Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
Reference standard & materials
Same data as the printed catalogue
Reference standard
- Mfg. Std.
- ASME B16.34
- Butt Weld End
- ASME B16.25
- Insp. & Test.
- API 598
- Press & Temp.
- ASME B16.34

Material of construction
| No. | Description | Carbon Steel | Stainless Steel | Alloy Steel | Low Carbon Steel |
|---|---|---|---|---|---|
| 01 | Body | ASTM A216 GR.WCB | ASTM A351 GR.CF8M | ASTM A217 GR.WC9 | ASTM A352 GR.LCC |
| 02 | Seat Ring | ASTM A105 + Stellite 6 | ASTM A182 F316 + Stellite 6 | ASTM A182 F22 + Stellite 6 | ASTM A182 F316 + Stellite 6 |
| 03 | Plug | ASTM A216 GR.WCB + OVERLAY 13% Cr. OR ASTM A217 GR.CA15 | ASTM A351 GR.CF8M OR Stellite 6 | ASTM A217 GR.WC9 + Stellite 6 | ASTM A352 GR.LCC + OVERLAY 316 OR Stellite 6 |
| 04 | Stem | ASTM A182 GR.F6a | SS 316 | ASTM A182 GR.F6a | SS 316 |
| 05 | Gasket | Grafoil | Grafoil | Grafoil | Grafoil |
| 06 | Bonnet | ASTM A216 GR.WCB | ASTM A351 GR.CF8M | ASTM A217 GR.WC9 | ASTM A352 GR.LCC |
| 07 | Joint Stud / Joint Nut | ASTM A193 GR. B7 / ASTM A194 GR. 2H | ASTM A193 GR. B8M / ASTM A194 GR. 8M | ASTM A193 GR. B7 / ASTM A194 GR. 2H | ASTM A320 GR. L7 / ASTM A194 GR. 7 |
| 08 | Bonnet Bush | ASTM A182 GR.F6a | SS 316 | ASTM A182 GR.F6a | SS 316 |
| 09 | Gland Packing | Top & Bottom Braided Graphite & Interior Die-Formed Flexible Graphite | Top & Bottom Braided Graphite & Interior Die-Formed Flexible Graphite | Top & Bottom Braided Graphite & Interior Die-Formed Flexible Graphite | Top & Bottom Braided Graphite & Interior Die-Formed Flexible Graphite |
| 10 | Gland Bush | ASTM A182 GR.F6a | SS 316 | ASTM A182 GR.F6a | SS 316 |
| 11 | Gland Flange | ASTM A216 GR.WCB | ASTM A351 GR.CF8 | ASTM A216 GR.WCB | ASTM A352 GR.LCC |
| 12 | Spacer Ring | Carbon Steel | Stainless Steel | Carbon Steel | Stainless Steel |
| 13 | Segment Ring | Carbon Steel | Stainless Steel | Carbon Steel | Stainless Steel |
| 14 | Yoke | ASTM A216 GR.WCB | ASTM A351 GR.CF8M | ASTM A217 GR.WC9 | ASTM A352 GR.LCC |
| 15 | Gear Box | Manufacturing Standard | Manufacturing Standard | Manufacturing Standard | Manufacturing Standard |
| 16 | Hand Wheel | Malleable Iron / SG Iron | Malleable Iron / SG Iron | Malleable Iron / SG Iron | Malleable Iron / SG Iron |
Dimensions
mm · ASME B16.5 flange details · weights on request

| A (BW) | ||||||
|---|---|---|---|---|---|---|
| Size | DN | SP | LP | HW Dia. (ØHW) | H Appx. | Operating System |
| 2" | 50 | 216 | 368 | 250 | 460 | Handwheel |
| 2.5" | 65 | 254 | 419 | 300 | 580 | Handwheel |
| 3" | 80 | 305 | 381 | 300 | 600 | Handwheel |
| 4" | 100 | 356 | 457 | 400 | 740 | Gear Box |
| 5" | 125 | 432 | 559 | 500 | 860 | Gear Box |
| 6" | 150 | 508 | 610 | 500 | 950 | Gear Box |
| 8" | 200 | 660 | 737 | 700 | 1040 | Gear Box |
| 10" | 250 | 787 | 838 | 400 | 1120 | Gear Box |
Technical specifications
- Material
- Body: ASTM A216 GR.WCB (CS) / ASTM A351 GR.CF8M (SS) / ASTM A352 GR.LCC (LCS)
- Pressure Rating
- Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
- Temperature Range
- -29°C to +538°C (CS per ASME B16.34; rated Class 900–2500)
- Eng Note
- Pending engineering sign-off: pressure figure is a hydro-test (shell) value, not a confirmed Class rating.
- Size Range
- 2" to 14" (DN 50–350)
- End Connections
- Butt Weld End (ASME B16.25)
- Gasket
- Grafoil (self-energising pressure-seal)
- Operating System
- Handwheel (2"–3") / Gear Box (4" and above)
- Model Numbers
- VX-GLV-PS-1411 (Cl.900) / VX-GLV-PS-1412 (Cl.1500) / VX-GLV-PS-1413 (Cl.2500)
Standards & testing
- MFG. STD: ASME B16.34
- Butt Weld End: ASME B16.25
- Insp. & Test: API 598
- Press. & Temp: ASME B16.34
Custom engineering
Special trims, exotic materials and non-standard dimensions are available against your datasheet — send it with your quote request and our engineering team will respond with a compliant proposal.
Related valves in this family
Cast Globe Valve – Class 150 / 300 (BS 1873)
BS 1873 cast globe valve with rising stem and OS&Y design for precise throttling and isolation. Seal welded seat ring with stellited plug for long service life.
View detailsCast Globe Valve – Class 600 / 900 (BS 1873)
High-pressure BS 1873 cast globe valve for Class 600 and 900 with stellited seat and plug, providing reliable throttling in demanding service conditions.
View details