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GM3-A Series Dome-bias Fully-Automatic Analog Hybrid Manifold Systems
GM3-A Series Dome-bias Fully-Automatic Analog Hybrid Manifold Systems
GM3-A Series dome-bias fully-automatic analog hybrid manifold systems is designed to provide an uninterrupted gas supply without any manual adjustments. This system uses liquid cryogenic tank as primary gas source and automatically switches over to the cylinder bank when the tank is below the lower limit. Even in case of a power failure, the system continues to supply gas without interruption. The system is designed to meet the latest edition of NFPA 99 and EN ISO 7396-1 standards.
Features
Fully enclosed, tamper- resistant metal cabinet
Light indicators provide system status
Dual-stage regulator, stable output pressure and flow
Systems for fuel gas come with an anti-explosive device
External filter facilitates replacement of filtration elements
Installation Dimensions
Installation Dimensions
Manifold System Layouts
Manifold System Layouts
Ordering Information
Gas Service Series Primary Max. Inlet Pressure Secondary Max. Inlet Pressure Delivery Pressure Delivery Flow Outlet Connection Primary Pigtail Specifications Secondary Pigtail Specifications
Oxygen
GM3-AL-O2
GM3-AM-O2
GM3-AH-O2
435 psi (30 bar)
435 psi (30 bar)
435 psi (30 bar)
3000 psi (207 bar)
3000 psi (207 bar)
3000 psi (207 bar)
40~70 psi (2.8~4.8 bar)
70~125 psi (4.8~8.6 bar)
140~240 psi (9.6~16.6 bar)
1060~3500 SCFH (30~100 m3/h)
1060~4200 SCFH (30~120 m3/h)
1060~6000 SCFH (30~170 m3/h)
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Pigtail,CGA540
Pigtail,CGA540
Pigtail,CGA540
Air
GM3-AL-AIR
GM3-AM-AIR
GM3-AH-AIR
435 psi (30 bar)
435 psi (30 bar)
435 psi (30 bar)
3000 psi (207 bar)
3000 psi (207 bar)
3000 psi (207 bar)
40~70 psi (2.8~4.8 bar)
70~125 psi (4.8~8.6 bar)
140~240 psi (9.6~16.6 bar)
1060~3500 SCFH (30~100 m3/h)
1060~4200 SCFH (30~120 m3/h)
1060~6000 SCFH (30~170 m3/h)
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Pigtail,CGA346
Pigtail,CGA346
Pigtail,CGA346
Carbon Dioxide
GM3-AL-CO2
GM3-AM-CO2
435 psi (30 bar)
435 psi (30 bar)
2175 psi (150 bar)
2175 psi (150 bar)
40~70 psi (2.8~4.8 bar)
70~125 psi (4.8~8.6 bar)
1060~1750 SCFH (30~50 m3/h)
1060~1750 SCFH (30~50 m3/h)
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Pigtail,CGA320
Pigtail,CGA320
Argon, Nitrogen
GM3-AL-IN
GM3-AM-IN
GM3-AH-IN
435 psi (30 bar)
435 psi (30 bar)
435 psi (30 bar)
3000 psi (207 bar)
3000 psi (207 bar)
3000 psi (207 bar)
40~70 psi (2.8~4.8 bar)
70~125 psi (4.8~8.6 bar)
140~240 psi (9.6~16.6 bar)
1060~3500 SCFH (30~100 m3/h)
1060~4200 SCFH (30~120 m3/h)
1060~6000 SCFH (30~170 m3/h)
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Rc 3/4"Union
Pigtail,CGA580
Pigtail,CGA580
Pigtail,CGA580
EX: GM3-A
Series		 L
Delivery Pressure		 - O2
Gas Service		 - U
Standard Code		 - ( 5L x 5R
Number of Cylinders (left-hand / right-hand)		 - S
Manifold System Layout		 2 )
Cylinder Valve Spacing
GM3-A L: Low Pressure
M: Medium Pressure
H: High Pressure
 O2: Oxygen
AIR: Air
CO2: Carbon Dioxide
IN: Ar, N2
 U: USA Standard
E: ISO Standard
 1L x 2R: One cylinder on the left,
Two cylinders on the Right
5L x 5R: Five cylinders on the left,
Five cylinders on the Right
...
Note: Direction of piping (Right or Left) is
indicated by facing the manifold.		 S: Standard layout
L: “L” Shape layout
U: “U” shape layout
D: Crossover layout
X: Staggered layout
 1: 5” (127 mm)
2: 10” (254 mm)
3: 13” (330 mm)
4: 18” (457 mm)

Example: GM3-AL-O2-U-(5Lx5R-S2) indicates a 5*5 oxygen cylinder fully-automatic analog hybrid manifold system.

Distance between two cylinders is 10” on standard horizontal layout. NFPA99 color code (USA)

GM3-AL-O2-U-(0x0) indicates an oxygen changeover system with filters and master shutoff valves. NFPA99 color code (USA)

GM3-AL-O2-U indicates an oxygen changeover system only. NFPA99 color code (USA)


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