Configuration Options

The following options are available for R-Series Gate Valves
Ordering Code Example: GVRBD100SSPVNN20

Configuration Option Option Code
GVRB Gate Valve GVRB
Valve Bore/Flange Size
DN80 D080
DN100 D100
DN160 D160
Body Material
Stainless Steel SS
Aluminum1 AL
Actuation
Pneumatic P
Manual M
Pneumatic with Lockout Tagout L
Seal Materials2
Viton/FKM V
Kalrez 9100 M
Kalrez 9500 N
Bypass Option
None N
Limit Switches3
None N
Limit Switch (Both Switches Normally Open) L
Limit Switch (Both Switches Normally Closed) C
Limit Switch (Valve Open Continuity)4 D
Limit Switch (Valve Closed Continuity)5 E
Solenoids6
None 0
24 VDC 2
12 VDC 1
Heating Options
Heatable to 105°C 0
Heatable to 150°C 1
Other Options
Contact MKS 0

1 Contact MKS Applications – available in limited configurations.
2 Contact MKS Applications for alternate seal materials.
3 Switches have 2m long, unterminated flying leads.
4 Both limit switches have continuity when valve is in Open Position.
5 Both limit switches have continuity when valve is in Closed Position.
6 Contact MKS Applications for alternate solenoid configurations.

Description
R-Series Vacuum Gate Valve

GVRB

Gate Valve, Roughing Pump and Roughing Line Isolation, R Series

Specifications

  • Type
    R-Series Gate Valve
  • Seal Material
    Standard: Viton® (FKM)
    Optional: Chemraz®, Kalrez® compounds
  • Actuation
    Double acting pneumatic or manual
  • Actuation Time
    < 2 sec
  • Actuator Temperature
    10-80°C
  • Limit Switch
    Magnetic Reed Switch: Current rating < 80mA
  • Pressure Range
    1*10-7 to 1200 Torr (1.3* 10-10 - 1.6 bar)
  • Actuator Seal
    Elastomer shaft seal
  • Solenoid Temperature
    10-50°C
  • Body Temperature
    Viton Seals: 10-105°C
    Optional Seals: 10-150°C
  • Pneumatic Pressure
    5.4 ±1.3 atm (80 ±20 psig)
  • Side to Side Leak Rate
    1*10-9 atm*cc/sec
  • External Leak Rate
    1*10-9 atm*cc/sec
  • Max Delta Pressure - Operating
    <22.5 Torr (30 mbar) chamber side high*
    <22.5 Torr (30 mbar) pump side high
    *Valve is operable up to 760 Torr (1 bar) chamber side high, but cycle life will be reduced with operation >30 mbar.
  • Max Delta Pressure - Closed
    1.6 atm, either direction
  • Exposed Materials
    Stainless Steel: 304L SS, 316L SS, 440C SS, Krytox LVP
    Aluminum: 6061 AL, 304L SS, 316L SS, 440C SS, Krytox LVP
  • Maintenance
    DN80: 200,000 cycles before maintenance
    DN100: 200,000 cycles before maintenance
    DN160: 100,000 cycles before maintenance
    MTTR: 15 minutes; Can be serviced without removal from vacuum system

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