Pneumatic Actuator Fully Forged Steel Globe Valve 2500LB
Special trap valve for power plant, pneumatic actuator globe valve, drain steam globe valve, steam trap valve, forged high pressure high temperature, pneumatic drived drain type globe valve, high temperature high pressure globe valve.
Globe Valve is force sealed valve. When valve closed, valve disc shall be under pressure, to ensure the shut off of sealing face. When flow enter under valve disc, the ofrce to be overcame is frition force between stem and packing, and the thrust caused by medium. The force to close valve is larger than the force to open valve. That's need the large diameter of stem to prevent stem bending.
Size: 2inch to 6inch
Pressure: 1500LB, 2500LB, 4500LB
Material: A105, F11, F22, F60, F91
Ends: BW End
Operation: pneumatic actuator
Technical Datas:
1. Design and manufacture standard: ASME B 16.34
2. End to End dimensions standard: ASME B 16.10
3. Inspection and test standard: MSS SP-61 Or API 598
4. Butt Welded end standard: ASME B 16.25
Features:
1. Pressure seal bonnet
2. Gasket: Pure Iron(99%) to avoid leakage
3. Hard faced disc and whole fully body
4. Stem Nut: AL-Bronze
5. Rotain Stem with precision ACME threads and burnished finish
6. Valve suitable for horizontal installation.
7. Universal Trim
Material for main parts:
| Parts | Material | Parts | Material |
| Body | A182 F22 | Bonnet | A182 F22 |
| Disc | A182+STL6 | Stem | A276 420 |
| Gasket | Pure Iron | Gland | A182 F6a |
Overrall dimensions(mm) and Weight
1500LB
| inch | 1-1/2 | 2 | 2-1/2 | 3 |
| mm | 32 | 50 | 65 | 80 |
| L(mm) | 170 | 210 | 250 | 300 |
size of Port | 34 | 42 | 56 | 66 |
| Height(Open) | 540 | 680 | 770 | 810 |
| Weight(kgs) | 45 | 60 | 85 | 123 |
Seal welded seat VS Screwed seats:
1. Welded-in leak proof
2. Weld quality 100% tested (Our welded worker are qualified and has more than 15 years experiences )
3. Stable Performance; Screwed seat can loosen up due to corrosion and cause substantial leakage
4. Suitable for steam up to 538 degree C, 1000 degree F, Oil and gas; and screwed seats are not suitalbe for steam service
5. Easier to be replaced; Screwed seat is difficult to replace.
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