VAT 75232-CE44 Series, Installation, Operating, & Maintenance Instructions

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Installation, Operating & Maintenance Instructions
Series 75.2, DN 40 (I.D. 1 ½”)
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
207088EB
2005-04-28
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1 Use of product
Use product for clean and dry indoor vacuum applications under the conditions indicated in chapter «Technical data» only!
Other applications are only allowed with the written permission of VAT.
1.1 Technical data
Leak rate
- Body < 5
.
10 -10 mbar ls -1
- Seat
<
1
.
10 -9 mbar ls -1
Molecular flow conductance 160 ls -1
Pressure range
1
.
10 -10 mbar to 1,2 bar (abs)
Differential pressure on the gate
1,2 bar in either direction
Max. differential pressure at opening
30 mbar (1 bar with reduced cycle life)
Cycles until first service
2000 under clean operating conditions
Bake-out temperature
- Valve 200°C (Trigger unit dismantled)
- Actuator 50°C
Temperature difference seat/gate
< 40°C
Heating and cooling rate
< 80°C h -1
Material
- Body 1.4301, AISI 304
- Mechanism 1.4310, AISI 301
- Bellows AM350, AISI 636
Seal
- Bonnet
metal
- Gate Viton
Mounting position
any
Electrical connection
12-pole plug
Position indicator: contact rating
5A/250 V AC, 3A/50 V DC
Compressed air connection
R 1 /
8
“ ( 1 /
8
“ NPT for USA)
Compressed air pressure (overpressure)
4 – 5 bar / 60 – 70 psig
Volume of air cylinder
0.2 l / .007 ft
3