Cast Steel Flange Gate Valve Import National Standard J41H J41Y
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- Contact: 王永發(fā)
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Stainless Steel Flange Globe Valve Imported National StandardJ41H J41Y SeriesProduct Overview:
The opening and closing component of the J41H and J41Y national standard carbon steel, cast steel, and stainless steel globe valves is a cylindrical valve disc, with sealing surfaces that are flat or conical. The valve disc moves linearly along the centerline of the fluid. National standard globe valves are only suitable for fully open and fully closed positions and are generally not used to regulate flow; custom orders may allow for regulation and throttling. They are used in pipelines for the petroleum, chemical, fertilizer, and power industries with nominal pressures of 1.6MPa-16.0MPa and working temperatures from -29°C to 550°C, to cut off or connect pipeline media. Drive methods include manual, gear transmission, electric, and pneumatic.
Structural Features:
1. Simple structure, relatively convenient to manufacture and maintain.
2. Small working stroke, short opening and closing time.
3. Good sealing performance, low friction between sealing surfaces, long service life.
Execution Standards:
1. Design specification: GB/T 1223.
2. Structural length: GB/T 12221.
3. Flange connection: JB/T 79.
4. Testing and inspection: JB/T 9002.
5. Product identification: GB/T 12220.
6. Supply specification: JB/T 7928
Stainless Steel Flange Globe Valve Imported National StandardJ41H J41Y SeriesMain Performance Parameters:
Model | J41H-16C～160C | J41Y-16C～160C | J41W-16P～160P | |
Working Pressure (MPa) | 1.6～16.0 | |||
Applicable Temperature (℃) | ≤425 | ≤ | ||
Applicable Medium | Water, Steam, Oil Products | Weakly Corrosive Medium | ||
Material | Valve Body, Valve Cover | Carbon Steel, Cast Steel, Stainless Steel | Chromium-Nickel-Titanium Stainless Steel | |
Valve Stem | Chromium Stainless Steel | Chromium-Nickel-Titanium Stainless Steel | ||
Sealing Surface | Iron-Based Alloy Overlay Welding | Hard-Based Alloy Overlay Welding | Base Material | |
Packing | Asbestos Graphite, Flexible Graphite, Polytetrafluoroethylene | |||
Nominal Pressure PN(MPa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Shell Strength Test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
Back Seal Test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
Seal Test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
Scope of Use
Scope of Use
Product Type | Suitable Medium | Applicable Temperature (℃) |
J41(H.Y)-C Type J941(H.Y)-C Type | Water, Steam, Oil Products | ≤425℃ ≤450℃ |
J41W-P Type J941W-P Type | Nitric Acid | ≤200℃ |
J41W-R Type | Acetic Acid | ≤200℃ |
J41Y-I Type J941Y-I Type | Water, Steam, Oil Products | ≤550℃ |
Material for Main Parts:
Material for Main Parts:
Product Type | Part Name | |||||||
Valve Body, Valve Cover | Valve Stem | Valve Disc | Sealing Face | Yoke Nut | Packing | Fastener | Handwheel | |
J41(H.Y)-C Type J941(H.Y)-C Type | 25, WCB | Chromium Stainless Steel | 2Cr13 25 | H: Stainless Steel Y: Cobalt-Based Hard Alloy Steel | Aluminum Bronze | Flexible Graphite | High-Grade Carbon Steel | Malleable Cast Iron |
J41W-P Type J941W-P Type | Chromium-Nickel-Titanium Steel | Chromium-Nickel-Titanium Steel | Chromium-Nickel-Titanium Steel | Chromium-Nickel-Titanium Steel | Aluminum Bronze | Flexible Graphite | Stainless Steel | Malleable Cast Iron |
J41W-R Type | Chromium-Nickel-Molybdenum-Titanium Steel | Chromium-Nickel-Molybdenum-Titanium Steel | Chromium-Nickel-Molybdenum-Titanium Steel | Chromium-Nickel-Molybdenum-Titanium Steel | Aluminum Bronze | Flexible Graphite | Stainless Steel | Malleable Cast Iron |
J41Y-I Type J941Y-I Type | Chromium-Molybdenum Steel | Chromium-Molybdenum Steel | Alloy Steel | Aluminum Bronze | Flexible Graphite | |||
| Industry Category: | Machinery & Equipment/Valves/Globe Valves |
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