CGA Valve Connections

CGA Cylinder Valve Connections

Source: Compressed Gas Assoc. std. V-1, 1994

Product Information

Part # Connection Description Connection Detail Cylinder Gas Used On
MC24 CGA200 Nut .625″ -20 NGO-R.H. MC Acetylene RMC Regulators Approx. 10 cu. ft. cylinders only
MC52 CGA200 Nipple 7/16″ -20 UNF, 1-1/8″ Long (R) MC Acetylene RMC Regulators Approx. 10 cu. ft. cylinders only
8159-4 CGA300 Nut .830″ -14 NGO-R.H. CA Acetylene R, RUH, RHG, RHT, RVT, MR Regulators
11A05 CGA300 Nipple 7/16″ -20 UNF, 1-5/16″ Long (R) CA Acetylene R, RUH, RHG, RHT, RVT, MR Regulators
8112-3 CGA300 Nipple 1/4″ -18 NPT, 1-15/16″ Long (RUH) CA Acetylene R, RUH, RHG, RHT, RVT, MR Regulators
8159-3 CGA320 Nut .830″ -14 NGO-R.H. CA Carbon Dioxide CEF, RUH, RHF, RHT, RV, RVT, RHFG, R1300 (CO2) Regulators
8312 CGA320 Nipple 1/4″-18 NPT, 2″ Long CA Carbon Dioxide CEF, RUH, RHF, RHT, RV, RVT, RHFG, R1300 (CO2) Regulators
X09R CGA320 O-Ring Do not use with Gasket CA Carbon Dioxide CEF, RUH, RHF, RHT, RV, RVT, RHFG, R1300 (CO2) Regulators (Use X09R only for 8312 Nipple, Not Gasket)
8959 CGA346 Nut .830″ -14 NGO-R.H. CA Air RV, RVT, RHT, RUH, RHP, R1800 Regulators
1805 CGA346 Nipple 1/4″ -18 NPT, 2-1/2″ Long CA Air RV, RVT, RHT, RUH, RHP, R1800 Regulators
8859  CGA350  Nut .830″ -14 NGO-L.H. CA Hydrogen RUH, RV, RVT, RHT Regulators
8812-2  CGA350  Nipple 1/4″ -18 NPT, 2″ Long CA Hydrogen RUH, RV, RVT, RHT Regulators
8159-2  CGA510  Nut .880″ -14 NGO-L.H. POL Acetylene & Fuel Gas R, RUH, RHT, RHG, RV, RVT, MR Regulators | CGA410 (ALC) (Canada Only) on request
1205 CGA510  Nipple 7/16″ -20 UNF 2-5/32″ Long (R) POL Acetylene & Fuel Gas R, RUH, RHT, RHG, RV, RVT, MR Regulators | CGA410 (ALC) (Canada Only) on request
1205-2  CGA510  Nipple 1/4″ -18 NPT, 2-13/32″ Long (MR) POL Acetylene & Fuel Gas R, RUH, RHT, RHG, RV, RVT, MR Regulators | CGA410 (ALC) (Canada Only) on request
8112-2  CGA510  Nipple 1/4″ -18 NPT, 3-3/16″ Long (RV, RUH) POL Acetylene & Fuel Gas R, RUH, RHT, RHG, RV, RVT, MR Regulators | CGA410 (ALC) (Canada Only) on request
B10  CGA520  Nut .899″ -18 NGO-R.H. B Acetylene RB, RUH, RHT, RV, RVT, RUH Regulators; For Oxygen Service Only
B51  CGA520  Nipple 7/16″ -20 UNF 1-15/64″ Long (R) B Acetylene RB, RUH, RHT, RV, RVT, RUH Regulators; For Oxygen Service Only
RU12-2  CGA520  Nipple 1/4″ -18 NPT, 2-3/8″ Long (MR, RUH) B Acetylene RB, RUH, RHT, RV, RVT, RUH Regulators; For Oxygen Service Only
8059-2  CGA540  Nut .908″ -14 NGO-R.H. B Oxygen Only MR, R, RHG, RHT, RV, RVT, RUH Regulators | For Oxygen Service Only | * 1005- 1/4”-18 NPT (R)
1005-3*  CGA540  Nipple 7/16″ -20 UNF 1-19/32 Long (R) B Oxygen Only MR, R, RHG, RHT, RV, RVT, RUH Regulators | For Oxygen Service Only | * 1005- 1/4”-18 NPT (R)
8012-2 CGA540  Nipple 1/4″ -18 NPT, 2″ Long (RV) B Oxygen Only MR, R, RHG, RHT, RV, RVT, RUH Regulators | For Oxygen Service Only | * 1005- 1/4”-18 NPT (R)
RU12 CGA540  Nipple 1/4″ -18 NPT, 2-9/16″ Long (RUH) B Oxygen Only MR, R, RHG, RHT, RV, RVT, RUH Regulators | For Oxygen Service Only | * 1005- 1/4”-18 NPT (R)
8759 CGA580  Nut .960″ -14 NGO-R.H. B Argon, Helium, Nitrogen RUH, RV, RVT, RHF, CEF, RHT, RHFG, R1500 (Ni) | Alternative Connections: CGA590 (LH), CGA555 (LH) on Request
1205 CGA580  Nipple 7/16″ -20 UNF 2-3/16″ Long (R) B Argon, Helium, Nitrogen RUH, RV, RVT, RHF, CEF, RHT, RHFG, R1500 (Ni) | Alternative Connections: CGA590 (LH), CGA555 (LH) on Request
1205-2 CGA580  Nipple 1/4″ -18 NPT, 2-13/32″ Long (CEF) B Argon, Helium, Nitrogen RUH, RV, RVT, RHF, CEF, RHT, RHFG, R1500 (Ni) | Alternative Connections: CGA590 (LH), CGA555 (LH) on Request
8112-2 CGA580  Nipple 1/4″ -18 NPT, 3-3/16″ Long (RHF, RHFG) B Argon, Helium, Nitrogen RUH, RV, RVT, RHF, CEF, RHT, RHFG, R1500 (Ni) | Alternative Connections: CGA590 (LH), CGA555 (LH) on Request