J41Y Self-Sealing Forged Steel Globe Valve
J41Y self-sealing forged steel globe valve is designed for high-temperature and high-pressure service. Its pressure-assisted self-sealing bonnet provides reliable sealing as the internal pressure increases. Available in carbon steel, alloy steel and stainless steel for water, steam, oil and selected chemical media.
Description
J41Y Self-Sealing Forged Steel Globe Valve
The J41Y self-sealing forged steel globe valve is designed for high-temperature
and high-pressure industrial service. Compared with conventional valves, its
forged steel construction provides excellent mechanical strength, reliable
performance and long service life under demanding operating conditions.
The valve uses a pressure-assisted self-sealing bonnet design. As the internal
pressure increases, the sealing force also increases, providing more reliable
sealing performance. This makes the valve suitable for water, steam, oil products,
nitric acid, acetic acid and other industrial media.
Main Features
- Forged steel construction for high-pressure and high-temperature service.
- Pressure-assisted self-sealing bonnet design.
- Higher internal pressure provides stronger sealing force.
- Compact structure with excellent mechanical strength.
- Reliable sealing and long operating life.
- Available in carbon steel, alloy steel and stainless steel.
- Other materials can be supplied according to customer requirements.
- Suitable for manual industrial pipeline isolation service.
Standard Materials
| No. | Part Name | Carbon Steel ASTM | Alloy Steel ASTM | Stainless Steel 304 ASTM | Stainless Steel 316 ASTM |
|---|---|---|---|---|---|
| 1 | Valve Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Disc | A276 420 | A276 304 | A276 304(L) | A276 F316(L) |
| 3 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
| 4 | Sealing Ring | A182 F304L | A182 F316L | — | — |
| 5 | Sealing Nut | A105 | A182 F304 | A182 F304(L) | A182 F316L |
| 6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 7 | Pin | A276 420 | A182 F304 | — | — |
| 8 | Gasket | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 9 | Lift Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 10 | Packing | Flexible Graphite | PTFE | — | — |
| 11 | Packing Sleeve | A276 420 | A182 F304 | — | — |
| 12 | Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 13 | Packing Plate | A216 WCB | A351 CF8 | — | — |
| 14 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 15 | Stem Nut | A276 410 | — | — | — |
| 16 | Handwheel | A197 | — | — | — |
| 17 | Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 18 | Grease Fitting | Copper | — | — | — |
Applicable Media and Temperature
| Material Group | Applicable Media | Temperature Range |
|---|---|---|
| Carbon Steel | Water, steam and oil products | -29°C to +425°C |
| Alloy Steel | Water, steam and oil products | -29°C to +550°C |
| Stainless Steel | Nitric acid, acetic acid and other selected media | -29°C to +200°C |
Dimensions and Weight
| NPS | L (mm) | H Open (mm) | W (mm) | Weight (kg) | |
|---|---|---|---|---|---|
| Class 150–900 | Class 2500 | ||||
| 1/2 | 140 | 186 | 333 | 160 | — |
| 3/4 | 140 | 186 | 333 | 160 | 11.2 |
| 1 | 140 | 186 | 333 | 180 | 10.5 |
| 1-1/4 | 140 | 232 | 408 | 200 | 10.1 |
| 1-1/2 | 178 | 232 | 408 | 250 | 21.0 |
| 2 | 178 | 279 | 524 | 280 | 19.6 / 40.4 |
Other materials are available according to customer requirements. The sealing surface material combination is determined by the specified trim code. CS means carbon steel, AS means alloy steel and SS means stainless steel.
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