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)
150 150 150 150
PN10 PN25 = =
6" 6" = =
ca. 140 ca. 140 = =
ca. 70 ca. 70 = =
(Cv = 1.16*kv, Cv in US gal/min, H 2 O, ∆p=1psi)
ca. 550 ca. 550 = =
ca. 600 ca. 600 = =
ca. 325 ca. 325 = =
- - = =
168.3*s 168.3*s = =
ca. 250 ca. 250 = =
ca. 160 ca. 160 = =
1200 1200 = =
ca. 7.5 10.39 = =