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Material Body 304 S.S.
Carriage 304 S.S.
Gate 304 S.S.
Bellows AM350
Life Cycle size under 4”(included) 100,000 cycles
size above 4” 50,000 cycles
Helium leak rates at 1 atm differential
<2?10-10std cc / sec for Viton bonnet seal
Bakeable Temperature Open 200°C Viton bonnet seal
Close 150°C Viton bonnet seal
Pressure range 10-10 torr ATM
maximum ?P 20 torr before opening
Standard seal Gate Viton O'ring
Bonnet Buna N O'ring
Size 2” to 8”
Actuator Manual or Electro-Pneumatic
Surface treatment Scotch Polished
Options a. Position indicator
b. Pneumatic control solenoid valve
c. Roughing port
d. Other material Gate O’ring seal

Larger or special size available upon request

Вакуумные задвижки с ручным приводом и фланцами KF

KF Flange with Bellows-HV Gate ValveKF Flange with Bellows-HV Gate Valve
Кодировка A B C D F G H L Bonnet seal Flange O.D. Port Dia.
GVB-SS-KF50-M 50 52 51 63 88 119 111 230 VitonВ® 55 37.5
GVB-SS-KF50-M 59 56 51 81 123 167 128 295 VitonВ® 75 50

Вакуумные задвижки с ручным приводом и фланцами ISO

ISO Flange with Bellows-HV Gate ValveISO Flange with Bellows-HV Gate Valve
Кодировка A B C D F G H L Bolt P.C.D. Bolt Size Bonnet seal Flange O.D. Port Dia.
GVB-SS-ISO63-M 57 76 46 112 189 251 183 434 110 M8x4 VitonВ® 130 63.5
GVB-SS-ISO100-M 57 76 46 142 224 305 183 488 145 M8x8 VitonВ® 165 100
GVB-SS-ISO200-M 65 78 51 243 348 472 260 732 260 M10x12 VitonВ® 285 200

Вакуумные задвижки с ручным приводом и малыми фланцами CF

CF Flange(Small) with Bellows-UHV Gate ValveCF Flange(Small) with Bellows-UHV Gate Valve
Кодировка A B C D F G H L Bolt P.C.D. Bolt Size Bonnet seal Flange O.D. Port Dia.
GVB-SS-CF35-M 45.4 52 51 63 88 119 113 232 58.7 M6x6 VitonВ® 69.5 37.5

Вакуумные задвижки с ручным приводом и фланцами CF

CF Flange with Bellows-UHV Gate ValveCF Flange with Bellows-UHV Gate Valve
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Кодировка A B C D F G H L Bolt P.C.D. Bolt Size Bonnet seal Flange O.D. Port Dia.
GVB-SS-CF63-M 69 76 46 112 189 251 179 430 92.1 M8x8 VitonВ® 113.6 63.5
GVB-SS-CF100-M 73 76 46 142 224 305 183 488 130.3 M8x16 VitonВ® 151.6 100
GVB-SS-CF200-M 82.4 78 51 243 348 472 261 733 231.8 M8x24 VitonВ® 253.2 204