GM High Vacuum Diaphragm Valve

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In Stock
Description: GM High vacuum diaphragm valve use valve rod to press rubber film directly on the valve seat, use to cut-off or connect Vacuum system.
Skype : evp.vacuum4
WhatsApp : +86-13162688673

GM High vacuum diaphragm valve use valve rod to press rubber film directly on the valve seat, use to cut-off or connect Vacuum system. Connection form as: Lap joint flange connection, fast unload flange connection, weld type connection. Weld type connection is divided into weld I type connection(both end weld), weld II type connection(one end weld, another end insert). Applicable medium can be air and noncorrosive gases.

Basic Dimensions

Applicable Scope(Pa) 2×105~1.3×10-4
Valve Leak Rate(Pa.L/S) ≤1.3×10-6
Medium Temperature(℃) -25~+80(Seal Material: chemigum)
-30~+150(Seal Material: viton)
Install Position arbitrary

lap joint flange connection and overall Dimensions(mm)

model diameter(DN) ΦD ΦB ΦW H L n-ΦC Flange standard
GM-10 10 46 36 55 75 75 4-Φ6 JB919
GM-25 25 70 55 90 115 120 4-Φ7 GB/T6070
GM-40 40 100 80 100 132 150 4-Φ9
GM-50 50 110 90 100 157 180 4-Φ9

fast unload flange connection and overall Dimensions

model diameter(DN) ΦD ΦB ΦW H L Flange standard
GM-10/KF 10 30 12.2 55 75 75 GB4892
GM-25/KF 25 40 26.2 90 115 100
GM-40/KF 40 55 41.2 100 132 150
GM-50/KF 50 75 52.2 100 157 180 /

weld type connection and overall Dimensions

model diameter(DN) ΦD ΦW H L
GM-10-H(Ⅰ) 10 19 55 75 150
GM-25H(Ⅰ) 25 32 90 115 200
GM-40H(Ⅰ) 40 45 100 132 240
GM-50H(Ⅰ) 50 57 100 157 240
GM-10H(Ⅱ) 10 9 55 75 150
GM-25H(Ⅱ) 25 19 90 115 200

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