Standard - WEKA AG

Nominal Valve Size DN:
Nominal Pressure for Valve Body /Inset PN:
( = nominal pipe size):
Seat diam. (mm):
Travel (mm):
kv max. (m 3 /h, H 2 O, D p=1bar):
- Control Valve:
- Digital (Shut-Off-) Valve:
Valve:
Dia. vacuum weld in flange, cat. No. 910930, a1 (mm):
Dia. vacuum weld in flange, cat. no. 9110031, a2 (mm):
Butt weld end, Dia. d*s (mm)
e (mm):
f (mm):
Cryogenic length h (mm):
Heat load 300 to 4K @ indicated length h (W):
Pneumatic Diaphragm Actuator:
Max. shut-off pressure (bar):
Type:
Dia. MA (mm):
y (mm):
z (mm):
Control pressure min/max. for Po actuators (barg):
Control pressure min/max. for Ps actuators (barg):
Remarks:
WEKA AG
Schürlistrasse 8, CH-8344 Bäretswil, Switzerland, Europe
E-mail: info@weka-ag.ch / Tel.: ++41 (0)1 939 29 59 / Fax: ++41 (0)1 929 39 63
Standard Cryogenic Valve PN25, Bellows Sealed, with Pneumatic Actuator
- Design pressure for body and bellows inset: PN25 resp. PN10 as indicated i.e. also possible to use as PN6, PN10, PN16 and PN20 valves respectively
- With pneumatic diaphragm actuator for a shut-off pressure as indicated
- Control valves with digital electropneumatic positioner (digital pneumatic with electronical control)
65 65 65 80 80 80
PN25 = = PN10 PN25 =
2 1/2" = = 3" 3" =
65 = = 80 80 =
32 = = 40 40 =
(Cv = 1.16*kv, Cv in US gal/min, H 2 O, ∆p=1psi)
98 = = 160 160 =
100 = = 170 170 =
150 = = 190 190 =
200 = = 260 260 =
76.1*2. = = 88.9*2.6 88.9*2.6 =
125 = = 155 155 =
115 = = 120 120 =
875 = = 1000 1000 =
3.67 = = 4.11 4.58 =