DeLUX DPX12T, Installation & Operation Manual

Page: 318 / 383

Gas Electro-mechanical Valves
w w w . m a x o n c o r p . c o m
combustion systems for industry
Maxon reserves the right to alter specifications and data without prior notice.
© 2009 Copyright Maxon Corporation. All rights reserved.
10 - 30.1 - 8
E - m - 10/09
Normally-open vent valves
Nominal
pipe size
Flow
capacity
Body connections
available
Body material
Trim
package
options
Cv rating
MOPD
rating
(mbar)
Special service
MOPD rating
(mbar) [1]
3/4”
(DN20)
S A, C 1, cast iron 1, 2, 4 19 8618 2068
1”
(DN25)
S
A, C 1, cast iron
1, 2, 4 20 8618 2068
A, C, E, F
2, 6, carbon steel
5, stainless steel
1-1/2”
(DN40)
S
A, C 1, cast iron
1, 2, 4 53 4826 1379
A, C, E, F
2, 6, carbon steel
5, stainless steel
2”
(DN50)
S
A, B, C, D, H 1, cast iron
1, 2, 4 86 4826 1034
A, C, E, F
2, 6, carbon steel
5, stainless steel
2-1/2”
(DN65)
CP
A, B, C, D 1, cast iron
1, 2, 4 304 3447 1034
B, D, H
2, 6, carbon steel
5, stainless steel
3”
(DN80)
CP
A, B, C, D, H 1, cast iron
1, 2, 4 423 2758 689
B, D, H
2, 6, carbon steel
5, stainless steel
4”
(DN100)
CP B, D, H
1, cast iron
1, 2, 4 490 2758 689 2, 6, carbon steel
5, stainless steel
[1] Special service fuels (see page 10-30.1-12): Valve maximum operating pressure differential (MOPD) to be reduced
Body connections:
A - NPT
B - ANSI flanged (ISO 7005 PN20)
C - ISO 7-1 threaded
D - DIN PN16 flanged
E - Socket welded nipple
F - Socket welded nipple w/Class
150 flange (ISO 7005 PN20)
H - EN1092-1 PN16 (ISO 7005-1
PN16)
Body material:
1 - Cast iron
2 - Carbon steel
5 - Stainless steel
6 - Low temp carbon
steel
Trim package options and typical material:
1 - 400 series stainless steel seat, hardened ductile iron disc,
PEEK follower ring
2 - 316SS seat, 316SS disc, PEEK follower ring
4 - Oxy clean, trim 2
Body seals and bumper:
- Buna o-rings/Buna bumper
- Viton o-rings/Buna bumper
- Viton o-rings/Viton bumper
- Ethylene Propylene o-rings/Ethylene Propylene bumper
- Omniflex o-rings/Buna bumper
- Omniflex o-rings/Viton bumper
Refer to valve body assembly gas compatibility for proper elas-
tomer selection.