China Mnaufacturer& Supplier Pneumatic Internal Thread Ball Valve, Find details about China Valve, Ball Valve from China Mnaufacturer& Supplier Pneumatic Internal Thread Ball Valve
Technical Parameters Pneumatic High Pressure Ball Valve | ||||||||||||||
Size DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
Pressure(MPa) | PN1.6,2.5,4.0,6.4MPa; ANSI 150,300LB | |||||||||||||
Leakage Rate | EPDM:zero leakage; Metal to metal: less than KV 10-5 | |||||||||||||
Body | Unitary Type Forged Ball (≤DN50mm); Ternary Type Forged Ball (≥DN50mm) | |||||||||||||
Spool Type | O- type ball type | |||||||||||||
Sealing Packing | V-type PTFE; Flexible graphite | |||||||||||||
Sealing Packing | PTFE; Metal Graphite Spiral Wound Gasket | |||||||||||||
Conn Type | Flange/ Weld/ Thread(accord with PN45MPa) | |||||||||||||
Rotation Angle | 0~90º;0~360º | |||||||||||||
Flow characteristic | Approximate fast open characteristic | |||||||||||||
Adjustable Range | 250:1 | |||||||||||||
Actuator | GT;AT;AR;AW series pneumatic actuator |
Technical Parameters of Pneumatic Actuator | |
Actuator Model | GT/AT/AR/AW series pneumatic actuator |
Supply Pressure | 0.4~0.7MPa |
Air connection | G1/4"; G1/8"; G3/8"; G1/2" |
Working Temperature | -30ºC~+70ºC |
Action Type | Single acting/ Double acting |
Accessory | Positioner, solenoid valve, air filter pressure reducer, position retaining valve, travel switch, valve position transmitter, handwheel mechanism, etc. |
Materaial of Parts | ||||
Part name | Material | |||
Body/Bonnet | A105 | 304(CF8) | 316(CF8M) | 316L(CF3M) |
Ball | 2Cr13+Nitriding treatment | 304 | 316 | 316L |
Stem | 2Cr13 | 304 | 316 | 316L |
Seat sealing ring | PTFE; PPL; Metal(H,Y) | |||
Packing | V-type PTFE; Flexible graphite |
Testing of Pneumatic High Pressure Ball Valve | ||||||
Size DN(mm) | DN15-300 | |||||
Nominal Pressure | PN(MPa) | 10 | 16 | 25 | 32 | 42 |
Testing Pressure | Strength test | 1.5 | 24 | 37.5 | 48 | 63 |
Sealing test | 11 | 17.6 | 27.5 | 35.2 | 46.2 | |
Low pressure air tightness test | 0.5~0.7 | |||||
Medium | Water/ Oil/ Steam/ Nitrose/ Acetic Acid |