VAT Series 651 - Page 5

Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12“ - 16”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
267736ED
2008-02-26
5/53
Valve unit
Pressure range at 20°C
- Aluminum (651 . . - . A . . - . . . . )
1 x 10E-8 mbar to 1.2 bar (abs)
- Aluminum hard anodized (651 . . - . H . . - . . . . )
1 x 10E-6 mbar to 1.2 bar (abs)
- Aluminum nickel coated (651 . . - . I . . - . . . . )
1 x 10E-8 mbar to 1.2 bar (abs)
Leak rate to outside at 20°C
- Aluminum (651 . . - . A . . - . . . . )
1 x 10E-9 mbar l/s
- Aluminum hard anodized (651 . . - . H . . - . . . . )
1 x 10E-5 mbar l/s
- Aluminum nickel coated (651 . . - . I . . - . . . . )
1 x 10E-9 mbar l/s
Leak rate valve seat at 20°C
- Aluminum (651 . . - . A . . - . . . . )
1 x 10E-9 mbar l/s
- Aluminum hard anodized (651 . . - . H . . - . . . . )
1 x 10E-4 mbar l/s
- Aluminum nickel coated (651 . . - . I . . - . . . . )
1 x 10E-9 mbar l/s
Cycles until first service
- Isolation cycles (open - closed - open)
- Throttling cycles (open - max. throttle - open)
200’000 (unheated and under clean conditions)
1’000’000 (unheated and under clean conditions)
Admissible operating temperature 10°C to +150°C
Mounting position horizontally only
Wetted materials
- Body (651 . . - . A . . - . . . . )
Aluminum 3.2315 (AA6082)
- Body (651 . . - . H . . - . . . . )
Aluminum 3.2315 (AA6082) hard anodized
- Body (651 . . - . I . . - . . . . )
Aluminum 3.2315 (AA6082) nickel coated
- Pendulum plate (651 . . - . A . . - . . . . )
Aluminum 3.2315 (AA6082), 1.4310 (301), PTFE
- Pendulum plate (651 . . - . H . . - . . . . )
Aluminum 3.2315 (AA6082) hard anodized, 1.4310 (301), PTFE
- Pendulum plate (651 . . - . I . . - . . . . )
Aluminum 3.2315 (AA6082) nickel coated, 1.4310 (301), PTFE
- Sealing ring (651 . . - . A . . - . . . . )
Aluminum 3.2315 (AA6082),
1.4306 (304L)
- Sealing ring (651 . . - . H . . - . . . . )
Aluminum 3.2315 (AA6082) hard anodized, 1.4306 (304L)
- Sealing ring (651 . . - . I . . - . . . . )
Aluminum 3.2315 (AA6082) nickel coated, 1.4306 (304L)
- Other parts
Stainless steel 316L (1.4404 or 1.4435), 1.4122, 1.4310 (301),
1.4303 (304), 1.4571, A2 (304)
- Seals Viton
®
(standard). Other materials available.
Seal materials are declared on dimensional drawing of specific valve ordering
number.
DN 320
12"
(65150 - ....)
DN 350
14"
(65151 - ....)
DN 400
16"
(65152 - ....)
Max. differential pressure on plate during isolation
1200 mbar in either
direction
1200 mbar in either
direction
1200 mbar in either
direction
Max. differential pressure on plate
during opening and throttling
5 mbar 5 mbar 5 mbar
Min. controllable conductance
(N
2
molecular flow)
3.2 l/s 3.5 l/s 4.0 l/s
Dimensions Refer to dimensional drawing of specific valve ordering number
(available on request)