AS 2473 Connections

Type 30 Cylinder Connector Thread: 0.860″ WHIT RH, 14 TPISealing: Flat-end sealing face, thread O.D. 21.8 mmGases: Carbon dioxide, nitrous oxideKits Include: Type 30 nylon washerStandard: Manufactured to AS 2473.2

Type 31 — Cylinder ConnectorThread: 5/8″ BSP RH external, 14 TPISealing: Flat-end sealing face, thread O.D. 22.8 mmGases: Hexafluoride, methyl bromide, phosgeneConstruction: Comprising nut, nipple and washerMaterials: Available in brass, chrome‑plated brass and stainless steelStandard: Manufactured to AS 2473.2

Acetylene & Fuel Gases — Type 20 Cylinder Connector Thread: 5/8″ BSP LH internal, 14 TPISealing: Internal angled sealing face, thread I.D. 21.0 mmGases: Acetylene, carbon monoxide, ethane, ethylene, hydrogen, methane, flammable gases, flammable non‑toxic mixturesConstruction: Comprising nut and nipple. Brass and plated versions...

Nitrogen, etc. — Type 50 Cylinder Connector Thread: W24 × 2 RH external, 14 TPISealing: Internal angled sealing face, thread O.D. 24.0 mm; first centre hole 13.3 mm × 8.1 mm deepGases: Nitrogen, neon, krypton, xenon, nitrogen/carbon dioxide mixtures, non‑flammable non‑toxic non‑oxidising mixturesConstruction: Comprising...

Nitrogen, Extra High Pressure (Type 51) – Cylinder ConnectorThread: 1.045″ NGO RH internal, 14 TPISealing: Internal angled sealing face, thread O.D. 24.6 mmConstruction: Comprising nut and nippleGases: Argon, helium, nitrogen, neon, krypton, xenon (up to 31,500 kPa / 315 bar)Materials: Available in brass, chrome‑plated...

Oxygen, Extra High Pressure (Type 11) — Cylinder Connector Thread: 5/8″ BSP RH internal, 14 TPISealing: Internal angled sealing face, internal recess diameter 23.5–24.0 mmGases: Oxygen (up to 25,000 kPa / 250 Bar)Construction: Comprising nut and nippleMaterials: Available in brassStandard: Manufactured to AS 2473.2

Type 10 AS 2473.2 Cylinder Connector Thread: 5/8″ BSP RH internal, 14 TPI Sealing: Internal angled sealing face, thread I.D. 21.0 mm Gases: Oxygen, helium, argon, non-flammable, non-toxic mixtures Construction:• Supplied as nut and nipple assembly• Brass and plated brass versions include O-ring, inlet...

Ammonia & SO₂ (Type 32) — Cylinder Connector Thread: 1/2″ BSP RH external, 14 TPISealing: Flat-end sealing face, thread O.D. 20.8 mmGases: Ammonia, sulphur dioxide (SO₂)Construction: Comprising female nut, nipple and washerMaterials: Available in brass, chrome‑plated brass and stainless steelStandard: Manufactured to AS 2473.2

LPG, Etc. (Type 21) — Cylinder Connector Thread: 0.885" NGO LH internal, 14 TPISealing: Internal angled sealing face, thread I.D. 21.0 mmGases: LPG, butane, propane, propyleneConstruction: Comprising nut and nipple; brass and plated versions also include O‑ring, filter & filter retainerMaterials: Available in brass,...

Air, Extra High Pressure (Type 61) — Cylinder Connector Thread: 0.825" NGO RH external, 14 TPISealing: Internal angled sealing face, thread O.D. 20.8 mm, first centre hole 12.8 mm × 12.1 mm deepGases: AirConstruction: Comprising nut and nippleMaterials: Available in brass, chrome-plated brass and...

HBr, HCl, H₂S (Type 43) — Cylinder Connector Thread: 0.825" NGO LH external, 14 TPISealing: Flat-end sealing face, thread O.D. 21.8 mmGases: Hydrogen bromide, hydrogen chloride, hydrogen sulphide, methyl mercaptanConstruction: Comprising nut, nipple & washerStandard: Manufactured to AS 2473

Non‑Flammable, Non‑Toxic (Type 33) — Cylinder Connector Thread: 1/4" BSP RH external, 19 TPISealing: Flat-end sealing face, thread O.D. 13 mmGases: Non-flammable, non-toxic mixturesConstruction: Comprising nut, nipple & washerMaterials: Available in brassStandard: Manufactured to AS 2473

Non-Flammable Toxic Mixtures (Type 44) — Cylinder Connector Thread: 3/8" BSP RH external, 14 TPISealing: Flat-end sealing face, thread O.D. 16.5 mmGases: Non-flammable toxic mixturesConstruction: Comprising nut, nipple & washerMaterials: Available in stainless steelStandard: Manufactured to AS 2473

Refrigerant Gases (Type 34) — Cylinder Connector Thread: 3/4" BSP RH external, 14 TPISealing: Flat-end sealing face, thread O.D. 26.3 mmGases: Refrigerant gasesConstruction: Comprising nut, nipple & washerMaterials: Available in brassStandard: Manufactured to AS 2473

Hydrogen, Extra High Pressure (Type 22) — Cylinder Connector Thread: 1.045″ NGO LH internal, 14 TPISealing: Internal angled sealing face, thread O.D. 24.6 mmGases: Hydrogen, up to 31,500 kPa (315 Bar)Construction: Comprising nut and nippleMaterials: Available in brassStandard: Manufactured to AS 2473

Methylamine, Ethylamine, Ethylene Oxide (Type 42) — Cylinder Connector Thread: 1/2″ BSP LH internal, 1/4″ NPT connecting threadSealing: Flat-end sealing face on nipple with Nylon washerGases: Methylamine, Ethylamine, Ethylene oxide / dichlorodifluoromethaneConstruction: Comprising nut, nipple and washerMaterials: Available in brass and stainless steelStandard: Manufactured...