GEA VARIVENT Series User Manual

Seal resistance for EPDM, FKM, HNBR, PTFE
Medium Temperature Sealing material (general operating temperature*)
EPDM
-40...+135 °C *
(-40...275 °F)
FKM
-10...+200 °C *
(+14...+392 °F)
HNBR
-25...+140 °C *
(-13...+284 °F)
PTFE
-200...+260 °C
(-328...+500°F)
Inorganic acids up
to 5%
up to 100 °C (212
°F)
– + – +
Water up to 80 °C (176 °F) + + + +
Steam
up to 135 °C (275°
F)
+ o o +
Steam, approx. 30
min
up to 150 °C (320
°F)
+ o – +
Fuels/hydrocarbons – + + +
Product with a fat
content of max. 35%
+ + + +
Product with a fat
content of more
than 35%
– + + +
Oils – + + +
* Depending on the
installation
conditions
5.4 Pipe ends - General table of measurements
Hint!
Not every valve is available in every size. Particulars of available sizes
of valves see Section 5.2, Page 17.
Dimensions for tubes in DN
Metric DN
Outside
diameter
Wall
thickness
Inside
diameter
Outside
diameter acc.
to DIN 11850
25 29 1.5 26 x
40 41 1.5 38 x
50 53 1.5 50 x
65 70 2.0 66 x
80 85 2.0 81 x
100 104 2.0 100 x
125 129 2.0 125 x
150 154 2.0 150 x
Technical data
Pipe ends - General table of measurements
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GEA VARIVENT Series Specifications

General

Series	VARIVENT
Actuation	Pneumatic
Connection Types	Clamp, weld end, threaded, flange
Application	Food, beverage, dairy, pharmaceutical, and chemical industries
Standards	EHEDG, FDA, 3-A
Materials	Stainless steel