Series 612 DESCRIPTION OF PRODUCT
605262EE Edition 2018-08-20 9/
1.6.2 Valve unit
Description
Pressure range at 20°C
- Aluminum (612 . . - . A. . - . . . . )
1 × 10E-8 mbar to 1.2 bar (abs)
- Aluminum hard anodized (612 . . - . H. . - . . . . )
1 × 10E-6 mbar to 1.2 bar (abs)
- Aluminum nickel coated (612 . . - . I. . - . . . . )
1 × 10E-8 mbar to 1.2 bar (abs)
- Stainless steel (612 . . - . E. . - . . . . )
1 × 10E-8 mbar to 1.2 bar (abs)
Leak rate to outside at 20°C
- Aluminum (612 . . - . A. . - . . . . )
1 × 10E-9 mbar l/s
- Aluminum hard anodized (612 . . - . H. . - . . . . )
1 × 10E-5 mbar l/s
- Aluminum nickel coated (612 . . - . I. . - . . . . )
1 × 10E-9 mbar l/s
- Stainless steel (612 . . - . E. . - . . . . )
1 × 10E-9 mbar l/s
Cycles until first service 2’000’000 (unheated and under clean conditions)
Admissible operating temperature +10°C to +150°C
Mounting position Any
Control unit for ISO-KF version needs support when mounted
on horizontal piping and control unit does not hang.
Wetted materials
- Body, plate (612 . . - . A. . - . . . . )
Aluminum 3.2315 (AA6082)
- Body, plate (612 . . - . H. . - . . . . )
Aluminum 3.2315 (AA6082) hard anodized
- Body, plate (612 . . - . I. . - . . . . )
Aluminum 3.2315 (AA6082) nickel coated
- Body, plate (612 . . - . E. . - . . . . )
Stainless steel 316L (1.4404 or 1.4435 )
- Shaft Stainless steel 316L (1.4404 or 1.4435 )
- Plate screws Stainless steel 316L (A4)
- Shaft seal Viton
®
(standard). Other materials available on request.
Seal materials are declared on dimensional drawing of
specific valve ordering number.
- Slide bearing for shaft iglidur
®
X
DN 63
2½"
DN 80
3"
DN 100
4"
DN 160
6"
DN 200
8"
DN 250
10"
Max. differential pressure on plate
1000
mbar
1000
mbar
800 mbar 300 mbar 150 mbar 100mbar
Min. controllable conductance (C
min
)
[N
2
molecular flow]
0.45 l/s 0.65 l/s 0.85 l/s 1.7 l/s 2.8 l/s 5 l/s
Conductance in open position [N
2
molecular flow]
360 l/s 850 l/s 1400 l/s 3800 l/s 7800 l/s 15000 l/s
Dimensions Refer to dimensional drawing of specific valve ordering number
(available on request)