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The pneumatic actuator of GIQ-B series pneumatic high-vacuum butterfly valve is powered by compressed air, changes the direction of the air path through the electromagnetic reversing valve, promotes the mechanical transmission of the piston rack and gear, and drives the butterfly valve with angular stroke output torque.
Opening and closing movement. In order to achieve the purpose of connecting or cutting off the air flow in the vacuum pipeline, it is a new type of pneumatic butterfly valve controlled by a pneumatic actuator, which is divided into double-acting and single-acting (spring return) cylinders, and feedback signal devices and electric valve positioning are optional. device. The applicable working medium is air and non-corrosive gas.
Features:
Applicable range (Pa):105 ~1.3×10-6
Valve leakage rate (Pa.L/S) :≤1.3×10-7
Medium temperature (°C) :-25~+80 (the sealing material is NBR); -30~+150 (the sealing material is fluororubber)
Valve main parts material stainless steel or carbon steel
Air source pressure (MPa): 0.4~0.8
Flange standard:JB919-75
Installation position:any
Power supply voltage:Standard factory: AC220V/50Hz;Special designation: optional ①AC110V;②DC24V;③DC12V, etc.
Signal feedback:Standard factory: valve position indicator;Special designation: ① Micro switch ② Intelligent 4~20mA DC ③ Explosion-proof micro switch
Cylinder optional:Standard factory: double-acting;Special designation: single-acting (with spring return) Optional normally open or normally closed
Connection and Dimensions
| model | diameter (DN） | ΦD | ΦB | H | A | L | W | n-ΦC |
| GIQ-25B | 25 | 70 | 55 | 151 | 22 | 122 | 112 | 4-Φ7 |
| GIQ-32B | 32 | 78 | 64 | 155 | ||||
| GIQ-40B | 40 | 85 | 70 | 171 | 147 | |||
| GIQ-50B | 50 | 110 | 90 | 183 | 4-Φ9 | |||
| GIQ-63B | 63 | 130 | 110 | 209 | 26 | 168 | ||
| GIQ-80B | 80 | 145 | 125 | 222 | 30 | 140 | ||
| GIQ-100B | 100 | 170 | 145 | 234 | 4-Φ12 | |||
| GIQ-125B | 125 | 195 | 170 | 272 | 35 | 229 | ||
| GIQ-150B | 150 | 220 | 195 | 344 | 264 | 166 | 8-Φ12 | |
| GIQ-200B | 200 | 275 | 250 | 376 | 40 | 266 | 184 | |
| GIQ-250B | 250 | 330 | 300 | 438 | 45 | 377 | 223 | |
| GIQ-300B | 300 | 380 | 350 | 483 | 55 | 412 | 245 | 8-Φ14 |
| GIQ-400B | 400 | 500 | 465 | 588 | 60 | 488 | 262 | 8-Φ18 |
