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Specifications
4 G—GM-20/25 and GM-40/45 Series Dual-block Multi-function Gas Control Valves Technical Bulletin
Table 2: Specifications
Media
1st (Manufactured Gas), 2nd (Natural Gas), and 3rd (Liquefied
Petroleum [LP] Gas) Family Gases
Maximum Inlet
Europe:
Pressure
GM-_01 _ and GM-_02_:
GM-251_ and GM-252_:
All Other Models
North America:
GM-_01 _ and GM-_02_:
GM-251_ and GM-252_:
All Other Models
Maximum
20 mbar (8 in. W.C.) (GM-_ _3_ and GM-_ _4_)
Regulating
50 mbar (20 in. W.C.) (GM-4_5_ and GM-4_6_)
Setting
Reverse
150 mbar (60 in. W.C.) minimum; Class A (EN 161)
Pressure Rating
Regulator
Spring Regulator (GM-_ _3_ and GM-_ _4_): Class B (EN 88)
Classification
Servo Regulator (GM-4_5_):
Permissible
-15 to 60°C (5 to 140°F)
Ambient
Temperature
Body
Detachable flanges with pipe thread 3/8 to 1-1/2 in. NPT or Rp
Connections
Valve Torsion
Group 2 (EN 88 and EN 161)
Group
Flanges:
Pressure Taps
Body:
Materials
Body and Flanges:
Diaphragms and Seals: Perbunan rubber
Solenoid Enclosure:
Filter Segment
Standard Dirt Strainer: 0.5 mm (0.02 in.) metal mesh
Optional Filter Set:
Operating Time
100% Continuous
Rating
Valve Timings
Closing Time:
Opening Time:
Dead Time:
Electrical
Standard Wiring: PG 13.5 compression fitting with cage-type
Connections
Optional Wiring:
Coil Insulation
Class F
Class
Agency Listings
IAS (AGA/CGA) Certificate Numbers:
European Certificate Number:
Specification
EN 88, EN 126, and EN 161
Standards Complying with the EMC Directive
Standards
Standards Complying with the Low Voltage Directive
ANSI Standards, Z21.18, Z21.21, and Z21.78
Canadian Standards CAN1-6.3 and CAN1-6.5
The performance specifications are nominal and conform to acceptable industry standards. For
application at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damage resulting from misapplication or misuse of its
products.
Refer to the GM-20/25 and GM-40/45 Series Product Bulletin (LIT-4350340) for necessary information on
operating and performance specifications of this product.
360 mbar
200 mbar
100 mbar
5 psi
2 psi
0.5 psi
9.0 mm (0.35 in.) spigot for flexible tubing
Rp 1/8 thread standard (multi-position)
Rp 1/4 thread special (multi-position) GM-4 only
Die-cast aluminum
IEC 529 (NEMA 1 and IP 54)
0.05 mm (0.002 in.) nylon mesh and fleece filter
< 1 second
< 1 to 15 seconds
< 1 second
terminal blocks inside the electrical box
1/2 in. NPT conduit adapter compression fitting or
4-pin connector plug (ISO 4400 [DIN 43650])
Class A (EN 88)
C0197002
C0197004
CE 0063AN3731
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