GU series electric vacuum ball valve

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Description: GU series electric vacuum ball valve is applicable for the medium flow of connecting or cutting off the pipelines in the Vacuum system.
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GU series electric vacuum ball valve is applicable for the medium flow of connecting or cutting off the pipelines in the Vacuum system. The straightway manual valve relies on spherical sealing. It can be used in both the vacuum and low pressure conditions. It can also be installed in random position.
The applicable active medium of this valve are acid, alkali gas or liquid.

Main technical performance:

Scope (Pa) Quick release flange(KF)2×105~1.3×10-5
Loose flange 16×105~1.3×10-5
Valve Leakage Rate(Pa.L/S) ≤1.3×10-5
Medium temperature(℃) Standard manufacture:-30~+150
Special designation:-30~+240
Flange Standard Random
Installation location GB4982;GB/T6070

Quick release flange(KF)connection and outline dimension(GB4982)

Model Nominal Diameter(DN) ΦD ΦB H L A
GU-16/KF 16 30 17.2 62 100 120
GU-25/KF 25 40 26.2 75 114 150
GU-40/KF 40 55 41.2 115 165 200
GU-50/KF 50 75 52.2 125 175 221

Loose flange connection and outline dimension(GB/T6070)

Model Nominal Diameter(DN) ΦD ΦB H L A n-ΦC
GU-16 16 60 45 62 100 120 4-6.5
GU-25 25 70 55 75 114 150
GU-32 32 90 70 93 140 180 4-9
GU-40 40 100 80 115 165 200
GU-50 50 110 90 125 175 221
GU-63 63 130 110 166 186 230
GU-80 80 145 125 175 198 290 8-9
GU-100 100 165 145 189 220 260
GU-125 125 200 175 232 266 360 8-11

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