VAT 65048 Series User Manual

Installation, Operating & Maintenance Instructions
Series 650, DN 100 – 250 (I.D. 4" - 10")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email reception@vat.ch www.vatvalve.com
258550EE
2007-05-11
8/51
2.3 Tightening torque
Tighten mounting screws of the flanges uniformly in crosswise order. Observe the maximum torque levels in the following
table. Higher tightening torques deforms the valve body and may lead to malfunction of the valve.
2.3.1 Mounting with centering rings
ISO-F ISO-F
Valve size
max. tightening torque
(Nm)
max. tightening torque
(lbs . ft)
DN100 / 4“
(65040 - . . . . - . . . . )
8 – 10 6 - 8
DN160 / 6“
(65044 - . . . . - . . . . )
13 – 15 9 - 11
DN200 / 8“
(65046 - . . . . - . . . . )
13 – 15 9 - 11
DN250 / 10“
(65048 - . . . . - . . . . )
17 – 20 13 – 15
hole depth (mm) hole depth (inch)
DN100 / 4“
(65040 - . . . . - . . . . )
12 0.47
DN160 / 6“
(65044 - . . . . - . . . . )
14 0.55
DN200 / 8“
(65046 - . . . . - . . . . )
15 0.59
DN250 / 10“
(65048 - . . . . - . . . . )
16 0.63
Caution: Make sure that screws are not too long otherwise the valve body may be damaged.
Note: Use slightly lubricated screws.
Refer to «7 Spare parts and accessories» for centering rings ordering numbers.

VAT 65048 Series Specifications

General

Brand	VAT
Model	65048 Series
Category	Control Unit
Language	English