GD-J high vacuum damper valve

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Description: GD-J high vacuum damper valve(Angle Valve)is used to open or close the air current in the Vacuum system.
Skype : evp.vacuum4
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GD-J high vacuum damper valve(Angle Valve)is used to open or close the air current in the Vacuum system. The screw drive is adopted as the transmitted components to lift the valve, which are lighter and reliable in movement. GD-J is angle type and GD-S is three-way type with prepumping. 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

(KF) Overall Dimension

Model Diameter(DN) ΦD ΦB H A ΦW Flange Standard
GD-J10/KF 10 30 12.2 122 30 36 GB4982
GD-J16/KF 16 30 17.2 132 40 36
GD-J25/KF 25 40 26.2 158 50 50
GD-J40/KF 40 55 41.2 180 65 56
GD-J50/KF 50 75 52.2 278 70 100 /

Lap Joint Flange Connections and Size

Model Diameter(DN) ΦD ΦB H A ΦW n-ΦC DNy Flange Standard
GD-J50 50 110 90 278 70 100 4-Φ9 / GB/T6070
GD-J63 63 130 110 390 88 160
GD-J80 80 145 125 432 88 8-Φ9
GD-J100 100 165 145 460 108
GD-J(S)150 150 220 195 636 138 200 8-Φ11 DN40(GB4982) JB919
GD-J(S)160 160 225 200 636 138 GB/T6070
GD-J(S)200 200 285 260 788 200 12-Φ11 DN50(GB/T6070)
GD-J(S)250 250 335 310 820 208 250 DN63(GB/T6070)
GD-J(S)300 300 380 350 980 250 8-Φ14 DN80(GB/T6070) JB919

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