Cangzhou Junxi Group Co., Ltd.
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PN25 DN125 carbon steel WCB flanged globe valve
Product advantage
1. The bellows seal the globe valve, the key component of which is the metal bellows. The lower end and the valve stem assembly are automatically hobbing welded, and the upper end is automatically hobbing welding with the connecting plate to form a metal barrier between the fluid medium and the atmosphere to ensure zero leakage of the valve stem
2. Valve plate adopts conical design, sealing surface and medium form a flow line, better sealing performance, longer service life
3. Double seal design, avoid leakage, in line with international seal standards
4. The valve cover is equipped with a grease joint, which can directly lubricate the valve stem, nut and shaft sleeve.
The bellows are welded to the valve stem to maintain stable operating performance and avoid vibration of the stem caused by the vibration of the valve plug. It is most suitable for the pipeline with steam, flammable, explosive, thermal oil, high purity, toxic and other media.
Pressure and temperature
| working pressure | PN16/PN25/ PN40/PN64 |
| testing pressure | Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
| working temperature | 0 -- 150ºC |
| suitable media | Water, Oil and gas. |
Materials of Main Parts
| NO | Name | Material |
| 1 | valve body | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |
| 2 | Disc | ASTM A182-Gr.F6a ASTM 182-F22 ASTM A182 F304,F316,F321,F304L,F316L |
| 3 | Bolzen | ASTM A182-Gr.F6a ASTM 182-F22 ASTM A182-F304,F316,F321,F304L,F316L |
| 4 | Bellows subassembly | 1Cr18Ni9Ti,304,316 |
| 5 | Valve stem | ASTM A182-Gr.F6a ASTM 182-F22 ASTM A182-F304,F316,F321,F304L,F316L |
| 6 | Valve deck | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |
| 7 | Packing | soft graphite,PTFE |
| 8 | Packing Gland | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |
| 9 | Locating plate | 25,45,304,316 |
| 10 | Stem nut | Copper alloy C95200 |
| 11 | Hand wheel | WCB/QT400-18 |
| 12 | Stud | ASTM A193-B7,A193-B8,193-B8M |
| 13 | Hexagon nut | ASTM A194-2H,A194-8,194-8M |
| 14 | Washer | soft graphite+ stainless,PTFE |
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