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 -
11
E -
m
- 10/09
Valve body assembly specifications
1) Body
2) Bonnet
3) Seat
4) Disc
5) Follower ring
6) Seat o-ring
7) Body o-ring
8) Wavy spring
9) Stem
10) Spring pin
11) Stem o-ring
12) Striker plate
13) Bumper
14) Flow direction
15) Typical stem/disc con-
nection used with
smaller sized valves
Threaded CP body design shown
Body and bonnet materials
Item
number
Description
Material code
1
2
5
6
1
Body
Cast iron
ASTM A126, Class B
Carbon steel
ASTM A216, Gr. WCB
Stainless steel
ASTM A351 Gr. CF8M
Low temp carbon steel
ASTM A352 Gr. LCB
2
Bonnet
Body seals and bumper material
Item number
Description
Material
6
Seat o-ring
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
7
Body o-ring
11
Stem o-ring
13
Bumper
Trim package materials
Item
number
Description
Internal trim package
1
2
3
Seat
400 series stainless steel
316 stainless steel
4
Disc
Hardened ductile iron
316 stainless steel
5
Follower ring
PEEK
PEEK
8
Wavy spring
300 series stainless steel
9
Stem
17-4 PH stainless steel
10
Spring pin (when required)
Carbon steel
400 series stainless steel
12
Striker plate
17-7 PH stainless steel
14
15
Summary of Contents for DPX12T
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Page 30: ...Page 6 05 06 13 Alarm Limit Indication Error Messages ...
Page 31: ...Page 7 05 06 13 ...
Page 32: ...Page 8 05 06 13 ...
Page 55: ...Page 17 Moisture Control All Models 6 21 2012 ...
Page 56: ...Page 18 Moisture Control All Models 6 21 2012 Alarm Limit Indication Error Messages ...
Page 57: ...Page 19 Moisture Control All Models 6 21 2012 ...
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Page 66: ...SECTION 7 7 1 1 13 2010 GRAIN SHRINKAGE TABLE SHRINKAGE WHEN GRAIN IS DRIED TO THESE LEVELS ...
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