b65453000 - GVC060, Pneumatic Operation, 8.00 Inch O/D CF Flange

GVC060, Pneumatic Operation, 8.00 Inch O/D CF Flange

B65453000

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Overview

The Edwards GV range of stainless steel bellows sealed gate valves are designed for applications requiring overall leak tightness and a minimum of hydrocarbon in the residual atmosphere. These superior quality valves offer high vacuum integrity coupled with maximum conductance.

Technology

The stainless steel valve bodies are vacuum brazed, a special process which includes a bakeout at 1100 °C. This eliminates any possibility of virtual leaks and ensures a product with low outgassing characteristics.
 
A laser welded stainless steel bellows effectively seals the actuator from the valve. The concept provides ease of servicing and allows the gate and linkage mechanism to be removed while the valve remains in situ.
b65703000 - GVC120, Manual Operation, 14.00 Inch O/D CF Flange

GVC120, Manual Operation, 14.00 Inch O/D CF Flange

B65703000
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b65753000 - GVC120, Pneumatic Operation, 14.00 Inch O/D CF Flange

GVC120, Pneumatic Operation, 14.00 Inch O/D CF Flange

B65753000
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b65003000 - GVC015, Manual Operation, 2.37 Inch O/D CF Flange

GVC015, Manual Operation, 2.37 Inch O/D CF Flange

B65003000
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b65053000 - GVC015, Pneumatic Operation, 2.37 Inch O/D CF Flange

GVC015, Pneumatic Operation, 2.37 Inch O/D CF Flange

B65053000
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b65103000 - GVC020, Manual Operation, 3.37 Inch O/D CF Flange

GVC020, Manual Operation, 3.37 Inch O/D CF Flange

B65103000
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b65203000 - GVC025, Manual Operation, 4.47 Inch O/D CF Flange

GVC025, Manual Operation, 4.47 Inch O/D CF Flange

B65203000
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b65253000 - GVC025, Pneumatic Operation, 4.47 Inch O/D CF Flange

GVC025, Pneumatic Operation, 4.47 Inch O/D CF Flange

B65253000
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b65303000 - GVC040, Manual Operation, 6.00 Inch O/D CF Flange

GVC040, Manual Operation, 6.00 Inch O/D CF Flange

B65303000
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b65353000 - GVC040, Pneumatic Operation, 6.00 Inch O/D CF Flange

GVC040, Pneumatic Operation, 6.00 Inch O/D CF Flange

B65353000
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b65403000 - GVC060, Manual Operation, 8.00 Inch O/D CF Flange

GVC060, Manual Operation, 8.00 Inch O/D CF Flange

B65403000
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b65453000 - GVC060, Pneumatic Operation, 8.00 Inch O/D CF Flange

GVC060, Pneumatic Operation, 8.00 Inch O/D CF Flange

B65453000
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b65503000 - GVC080, Manual Operation, 10.00 Inch O/D CF Flange

GVC080, Manual Operation, 10.00 Inch O/D CF Flange

B65503000
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b65553000 - GVC080, Pneumatic Operation, 10.00 Inch O/D CF Flange

GVC080, Pneumatic Operation, 10.00 Inch O/D CF Flange

B65553000
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b65653000 - GVC100, Pneumatic Operation, 12.00 Inch O/D CF Flange

GVC100, Pneumatic Operation, 12.00 Inch O/D CF Flange

B65653000
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Features and Benefits

  • In situ removal of gate and linkage mechanism for easy servicing
  • Virtual leaks eliminated due to vacuum brazed manufacture
  • Electropolished finish inside and outside
  • Compact design with high conductance
  • Manual actuation
  • Microswitch position indicator as standard on pneumatic version
  • Reedswitch variants
  • Long periods of use between maintenance
  • Low vibration and shock
  • Free choice of orientation

Technical Data


Pressure range 10-9 mbar to 1 bar (absolute)
8 x 10-10 - 750 Torr
Leak rate < 10- 9 mbar l s- 1
8 x 10-10 Torr l s- 1
Maximum differential pressure on the valve plate 1 bar / 750 Torr in either direction
Maximum differential pressure on the valve plate at opening 20 mbar / 15 Torr
Position indicator switch, breaking capacity 24 V d.c., 5 A
Material of construction
Body, valve plate AISI 304 stainless steel
Mechanism AISI 304 stainless steel,
Bearings Hardened high carbon chrome steel
Circlips SS PH 15-7 Mo
Bellows AM 350 stainless steel
Seals, valve plate Fluoroelastomer
Bonnet
Metal sealed valves OFHC
Other valves Fluoroelastomer
Bakeout temperature
Valve body, valve open 150 °C (fluoroelastomer bonnet seal)
Valve body, valve open 250 °C (metal bonnet seal)
Valve closed 200 °C
Actuator, pneumatic 100 °C
Average life until first service* 100000 closures
Mounting position Any orientation
Pneumatic operating pressure 4 - 5.5 bar / 60 - 80 psi
Flange bore 160 mm
6 in
Conductance in high vacuum 6300 l s-1
Pneumatic valve minimum closing
and opening time at 5 bar. 1.5 s
Approx weight 23 kg

 
*           Dependent on the vacuum environment and the opening and closing speed.

Dimensions

Body Dimensions (mm)
A B C ØD E F G H K L
222.3 191.8 80.5 75.9 93.5 76.2 270.5 87.6 175.6 200.2
Flange Dimensions (mm)
ØM ØN P ØS ØT* V
202.4 152.4 20 181.1 M8 22.4
b65403020 - Spares Kit Seals GVC060 96 & On

Spares Kit Seals GVC060 96 & On

B65403020
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c10011290 - DN160CF/8 Copper Gasket Pk 5

DN160CF/8 Copper Gasket Pk 5

C10011290
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b22417190 - Bolt Pack For 6" 8" 10" Conflat

Bolt Pack For 6" 8" 10" Conflat

B22417190
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