Component Identification; Installation - Honeywell MAXON SMA11 Instruction Manual

Gas electro-mechanical valves
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Component identification

1) Access cover screws
2) Access cover
3) Visual indication
4) Mainbase
5) Nameplate
6) Actuator bolts
7) Flow arrow
8) Valve body
9) Terminal block cover
screws
10) Terminal block cover
11) Motor cover screws
12) Motor cover
13) Top cover plate
screws
14) Top cover plate
15) Top housing
16) Top housing screws
Valve type
Item number
"S" Valves
3/4" - 1-1/2"
"S" Valves
2" - 3"
"C" Valves
2" - 4"
"H" Valves
4" - 6"

Installation

1. A gas filter or strainer of 40 mesh (0.6 mm) or
E - i - 8/17
Automatic (motorized) valve
Model designation
SMA11, CMA11, SMA21, CMA21
10
1
2
3
4
5
Automatic (motorized) valve - 4" & 6" high capacity
Table 1 - Torque specifications
1
Access cover screws 1/4-20
6
Actuator bolts 5/16-18
9
Terminal block cover screws 1/4-20
11
Motor cover screws #10-24
1
Access cover screws 1/4-20
6
Actuator bolts 3/8 - 16
9
Terminal block cover screws 1/4-20
11
Motor cover screws #10-24
1
Access cover screws 1/4-20
6
Actuator bolts 3/8 - 16
9
Terminal block cover screws 1/4-20
11
Motor cover screws #10-24
9
Terminal block cover screws #10-24
13
Top cover plate screws 1/4-20
16
Top housing screws 1/4-20
9
11
12
6
8
7
Model designation
HMA11
10
9
5
8
Description
smaller is recommended in the fuel gas piping to
protect the downstream safety shut-off valves.
3
GAS ELECTRO-MECHANICAL VALVES
Manual valve
Model designation
SMM11, CMM11, SMM21
10
1
2
3
4
5
13
14
3
15
16
6
7
72 in-lbs
13 ft-lbs
72 in-lbs
42 in-lbs
72 in-lbs
20 ft-lbs
72 in-lbs
42 in-lbs
72 in-lbs
20 ft-lbs
72 in-lbs
42 in-lbs
42 in-lbs
72 in-lbs
72 in-lbs
9
6
8
7
Torque
32M-95001—02

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