Cryogenic Helium Dewar

CGA Series Cylinder Valve

Introduction:

1. Solid wedge disc

2. Non-rising stem

3. For full flow shutoff applications

4. Cast iron hand wheel　

5. Threaded bonnet design

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CGA series valves

Model	Working Pressure		Outlet Thread Size	Inlet Thread Size	Safety Device
Model	Psi	Bar	Outlet Thread Size	Inlet Thread Size	Safety Device
Oxygen
CGA540-A4	2015	139	0.903-14NGO-RH-EXT	3/4-14NGT	Yes
CGA540-D1	2900	200	0.903-14NGO-RH-EXT	3/4-14NGT	Yes
CGA540-3B	2175	150	0.903-14NGO-RH-EXT	1.125-12UNF	Yes
CGA540-2	2175	150	0.903-14NGO-RH-EXT	PZ27.8	Yes
Argon, Helium, Krypton, Neon, Nitrogen and Xenon
CGA580-9B	2015	139	0.965-14NGO-RH-INT	3/4-14NGT	Yes
CGA580-14A	2900	200	0.965-14NGO-RH-INT	3/4-14NGT	Yes
CGA580-6A	2175	150	0.965-14NGO-RH-INT	1.125-12UNF	Yes
CGA580-3	2175	150	0.965-14NGO-RH-INT	PZ27.8	Yes
Carbon Dioxide
CGA320-2A	2015	139	0.825-14NGO-RH-EXT	3/4-14NGT	Yes
CGA320-5B1	2175	150	0.903-14NGO-RH-EXT	1.125-12UNF	Yes
CGA320-7	2175	150	0.903-14NGO-RH-EXT	PZ27.8	Yes
Sulfur Hexafluoride
CGA590-2	2015	139	0.965-14NGO-LH-INT	3/4-14NGT	Yes
CGA590-3	2175	150	0.965-14NGO-LH-INT	1.125-12UNF	Yes
CGA590-1	2175	150	0.965-14NGO-LH-INT	PZ27.8	Yes
Nitrous Oxide
CGA326-7	2015	139	0.825-14NGO-RH-EXT	3/4-14NGT	Yes
CGA326-3	2175	150	0.825-14NGO-RH-EXT	0.75-16UNF	Yes
CGA326-5	2175	150	0.825-14NGO-RH-EXT	1.125-12UNF	Yes
CGA326-1	2175	150	0.825-14NGO-RH-EXT	PZ27.8	Yes
Carbon Monoxide and Hydrogen
CGA350-1	2175	150	0.825-14NGO-LH-EXT	PZ27.8	None
CGA350-2	2175	150	0.825-14NGO-LH-EXT	PZ19.2	None
Air
CGA346-1	2175	150	0.825-14NGO-RH-EXT	PZ27.8	Yes
CGA346-2	2175	150	0.825-14NGO-RH-EXT	1"–11 1⁄2 NGT	Yes
CGA346-3	2175	150	0.825-14NGO-RH-EXT	3/4-14NGT	Yes
CGA346-4	2175	150	0.825-14NGO-RH-EXT	1.125-12UNF	Yes
CGA346-5	2175	150	0.825-14NGO-RH-EXT	0.75-16UNF	Yes

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