DESCRIPTION OF PRODUCT Series
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Edition 2019-05-03 963283EA
1.6.2 Valve unit
Description
Pressure range at 20°C
- Aluminum (653 . . - . A . . - . . . . )
1 × 10E-8 mbar to 1.2 bar (abs)
- Aluminum hard anodized
(653 . . - . H . . - . . . . )
1 × 10E-6 mbar to 1.2 bar (abs)
- Aluminum nickel coated
(653 . . - . I . . - . . . . )
1 × 10E-8 mbar to 1.2 bar (abs)
Leak rate to outside at 20°C
- Aluminum (653 . . - . A . . - . . . . )
1 × 10E-9 mbar l/s
- Aluminum hard anodized
(653 . . - . H . . - . . . . )
1 × 10E-5 mbar l/s
- Aluminum nickel coated
(653 . . - . I . . - . . . . )
1 × 10E-9 mbar l/s
Leak rate valve seat at 20°C
- Aluminum (653 . . - . A . . - . . . . )
1 x 10E-9 mbar l/s
- Aluminum hard anodized
(653 . . - . H . . - . . . . )
1 x 10E-4 mbar l/s
- Aluminum nickel coated
(653 . . - . 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 +120°C
Mounting position horizontally only
Wetted materials
- Body (653 . . - . A . . - . . . . )
Aluminum 3.3211 (AA6061)
- Body (653 . . - . H . . - . . . . )
Aluminum 3.3211 (AA6061) hard anodized
- Body (653 . . - . I . . - . . . . )
Aluminum 3.3211 (AA6061) nickel coated
- Pendulum plate (653 . . - . A . . - . . . . )
Aluminum 3.3211 (AA6061)
- Pendulum plate (653 . . - . H . . - . . . . )
Aluminum 3.3211 (AA6061) hard anodized
- Pendulum plate (653 . . - . I . . - . . . . )
Aluminum 3.3211 (AA6061) nickel coated
- Sealing ring (653 . . - . A . . - . . . . )
Aluminum 3.3211 (AA6061), 1.4306 (304L)
- Sealing ring (653 . . - . H . . - . . . . )
Aluminum 3.3211 (AA6061) hard anodized, 1.4306 (304L)
- Sealing ring (653 . . - . I . . - . . . . )
Aluminum 3.3211 (AA6061) 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)
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