GM high vacuum pressure diaphragm GM High Vacuum (pressure) is used to connect or disconnect the vacuum diaphragm (pressure) system line of medium flow. Applied vacuum, dairy products, wine, biological engineering, food, pharmaceutical, beverages, cosmetics and chemicals. The main technical performance diaphragm valve leak rate: Valve Leak Rate ≤1.3 × 10-4Pa.L / S Temperature:. Applicable Temperature -25 ~ + 80 ℃ (nitrile rubber) -30 ~ + 150 ℃ (fluorine rubber) applies range: Applicability connection type Loose Flange pressure range (Pa) Looper flange (GB6070, JB919) 0.6 × 106 ~ 1.3 × 10-4 welded flanges (GB6070, JB919) 1.6 × 106 ~ 1.3 × 10-4 quick release Flange (GB4982) 0.1 × 106 ~ 1.3 × 10-4 Threaded Threaded Connection 1.6 × 106 ~ 1.3 × 10-4 diaphragm main part materials body, valve plate, stem: stainless steel diaphragm: silicone rubber, Viton size Looper connection diaphragm valve flange connection (GB6070) (Figure A) quick release flange connection (GB4982) (Figure II) Model Model DN Do D n-φc WH / H1 L Model Model DN D1 DWH / H1 L GM-10 10 40 55 4-φ6.6 65 89/99 75 GM-10 10 12.2 30 65 89/99 75 GM-16 16 45 60 4-φ6.6 80 89/99 108 GM-16 16 17.2 30 80 89/99 108 GM-20 20 50 65 4-φ6.6 80 91/102 118 GM-20 20 26.2 40 80 91/102 118 GM-25 25 55 70 4-φ6.6 80 110/123 120 GM-25 25 26.2 40 80 110/123 120 GM-32 32 70 90 4-φ9 80 129/138 146 GM-32 32 34.2 55 80 129/138 146 GM-40 40 80 100 4-φ9 120 139/159 150 GM-40 40 41.2 55 120 139/159 150 GM-50 50 90 110 4-φ9 120 159/186 180 GM-50 50 52.2 75 120 159/186 180 diaphragm I type welded pipe connection (Figure 3) Type II welded pipe connection (Figure 4) Model Model DN DWH / H1 L Model Model DN DWH / H1 L GM-10 10 17 65 89/99 75 GM-10 10 17 65 89/99 75 GM-25 25 32 80 110/123 120 GM-25 25 32 80 110/123 120 GM-40 40 45 120 139/159 150 GM-40 40 45 120 139/159 150 GM-50 50 57 120 159/186 180 GM-50 50 57 120 159/186 180