Brand: EVP
Classification: Flapper valve category
Availability : In Stock
GD-J high vacuum damper valve(Angle Valve)is used to open or close the air current in the Vacuum system.
(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 |
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 |
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