GI series high vacuum butterfly valve

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In Stock
Description: GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum pipe. The opening and closing of the valve has the locking function.
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GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum pipe. The opening and closing of the valve has the locking function.

The applicable working medium is air and non corrosive gas.

applicability(Pa)  105 ~1.3×10-6
Valve leak rate(Pa.L/S)  ≤1.3×10-7
Applicable temperature(℃)  -25~+80(sealing material is NBR)
 -30~+150(sealing material is fluororubber)
Material of main parts of valve Stainless steel or carbon steel
Flange standard  JB919
Installation position  arbitrarily

 

model Drift diameter(DN) ΦD ΦB H A L n-ΦC
GI-25 25 70 55 64 22 104 4-Φ7
GI-32 32 78 64 68
GI-40 40 85 70 72 116
GI-50 50 110 90 85 4-Φ9
GI-63 63 130 110 96 26 132
GI-80 80 145 125 108 30 154
GI-100 100 170 145 120 4-Φ12
GI-125 125 195 170 136 35 197
GI-150 150 220 195 150 8-Φ12
GI-200 200 275 250 185 40 242
GI-250 250 330 300 219 45 330
GI-300 300 380 350 245 55 8-Φ14
GI-400 400 500 465 312 60 435 8-Φ18

 

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