Installation, Operating & Maintenance Instructions

Series 64, DN 63-400 (I.D. 21/2" - 16")

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

219034EM

2013-08-27

8/19

2.2.4

Actuator position (example)

Position A (Standard)

Position B (Option)

Note: For actuator position of your valve refer to the dimension diagram of your valve.

2.2.5

Compressed air connection by external solenoid (option)

Required solenoids: - Two 5/2

way valves

Air connections :

- Adapter with internal thread R 1/8

“ (1/8“ NPT for USA) mounted to the pipe thread screws 'A' and 'B'

instead of the solenoids. The pipe thread screws have also the function of an orifice for air pressure

reduction. They must not be removed or replaced.

- L-type connection 'C' with internal thread R 1/8

“ and integrated orifice for air pressure reduction (DN

63 - 200:

1.4 mm, DN 250 - 400:

1.8mm)

Apply compressed air pressure according the following table:

Actuator on „A-position“ (Standard)

A

B

C

open position

1

0

0

intermediate position

1

0

1

closed position

0

1

1/0

Actuator on „B-position“ (Option)

A

B

C

open position

0

1

1/0

intermediate position

1

0

1

closed position

1

0

0

1 = air pressure

0 = no air pressure