China DN JIS ANSI DN50 Screw Welding Pneumatic Actuator Ball Valves, Find details about China Ball Valve, Control Valve from DN JIS ANSI DN50 Screw Welding Pneumatic Actuator Ball Valves
Item | Data and description | |||||||||||||
Nominal diameter | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
Rated flow coefficient | 20 | 38 | 72 | 110 | 170 | 215 | 380 | 550 | 890 | 1400 | 2000 | 3580 | 5650 | 8100 |
Action range | 0-90 degree | |||||||||||||
Air supply pressure | 0.4-0.7 Mpa | |||||||||||||
Allowable pressure difference | below nominal pressure | |||||||||||||
Nominal pressure | 1.6, 2.4, 4.0, 6.4 Mpa, ANSI 150LB, 300LB | |||||||||||||
Valve body material | WCB, 304, 316, 304L, 316L | |||||||||||||
Filler | PTFE V-filler, PTFE carbon fiber, PTFE asbestos, flexiable graphite | |||||||||||||
Valve seat sealing type | Metal carbide seal: -29 ~ 425 degree | |||||||||||||
Soft sealing: PTFE: -20 ~175 degree, PPL:-40~280 degree, Nylon:-40~80 degree | ||||||||||||||
Valve core shape | Concentric full spherical type | |||||||||||||
Valve core form | floating ball type | |||||||||||||
Flow characteristic | quick open | |||||||||||||
Action form | Air open type, air close type, electric open type, electric close type | |||||||||||||
Pneumatic actuator | Double acting, spring return | |||||||||||||
Optional pneumatic actuator | AT/GT pneumatic actuator, DRG scotch Yoke pneumatic actuator | |||||||||||||
Accessories | electrical solenoid positioner, solenoid valve, limit switch, lock valve, air filter pressure reducing valve | |||||||||||||
Connection type | Flange, thread, welding |