Skip to product information
1 of 1

Bulgin

Bulgin Brass AS 2473.2 Cylinder Nut and Stem Sets — 90 mm

Bulgin Brass AS 2473.2 Cylinder Nut and Stem Sets — 90 mm

Regular price $61.89 AUD
Regular price Sale price $61.89 AUD
Sale Sold out

GST Included, Shipping calculated at checkout

Pay in instalments

  • Afterpay Afterpay
  • Zip Zip
  • PayPal PayPal Pay in 4

Split your purchase into interest-free instalments at checkout. Terms apply.

Cylinder connection

SKU:547-25001

Available to order

Quantity

Buy with confidence

Delivery & pickupAvailable to order · Lead time varies

Ordered from our supplier. This item is not currently stocked at our store. Contact us to check the expected lead time before ordering. Dispatch depends on supplier availability.

Australia-wide delivery. Available shipping options and costs are shown at checkout.

Free Smithfield pickup. Wait for your Ready for Pickup notification before travelling to the store.

Full delivery & pickup policy

Returns & exchanges90 days for eligible unopened items

Change-of-mind returns are available within 90 days of receiving your order for eligible items. Items must be unused, unopened, complete, in original packaging and resellable condition, with proof of purchase.

You pay return shipping for change-of-mind returns. Original shipping is not refunded. Please request approval before sending an item back.

Exclusions include items marked Special Order, gases and cylinders, hazardous materials, chemicals, and custom or cut-to-length items. See the full policy for all exclusions.

Full returns policy & exclusions

Warranty & supportProduct-specific warranty & support

Manufacturer warranties apply where available. See this product’s specifications or contact our team to confirm the applicable warranty.

For a fault or incorrect item, contact our team with your order details and a description of the issue.

Email our support team

Price Beat requestsFound a lower price? Ask us to review it.

Send us the competitor’s product link and price. Our team will review the details and respond to your request.

Need help choosing?

Call our Smithfield team for product advice and compatibility checks.

View full details

Take a closer look

Product information

Details

Bulgin Brass AS 2473.2 Cylinder Nut and Stem Sets — 90 mm connect compatible gas cylinders to regulators, manifolds and gas distribution equipment. Select the cylinder connection type for the required gas service; the nut, stem and sealing details are listed for each option below.

High-performance cylinder inlet connections from Bulgin Gas Equipment , designed and engineered to AS2473.2 specifications for safe, reliable high-pressure gas handling. Available in durable brass or corrosion-resistant stainless steel, these fittings ensure secure, leak-tight performance for industrial, medical, and laboratory gas systems.

Features and applications

  • Designed to AS2473.2 for high-pressure gas cylinder connections
  • Precision-machined brass or stainless steel for strength and long service life
  • Leak-tight sealing for safe gas inlet applications
  • Suitable for regulators, manifolds, filling systems & gas distribution equipment
  • Compatible with common industrial and specialty gas standards
  • Stem includes machined flats to suit 12mm spanner for easier fitment
  • Includes Inline Filter to remove particulate contaminants

Shared specifications

Specification Details
Length 90mm

Available variants

SKU Cylinder connection Material Nut Stem Hex nut Thread Connection standard Gas suitability
547-25001 Type 10 Brass and Viton O-Ring 5/8” BSP RH Internal, 14 T.P.I. Internal angled sealing face, thread I.D, 21.0mm 11/16" 1/4" NPT AS2473.2 Type 10 Type 10 suitable for oxygen, helium, argon, non-flammable non-toxic mixtures
547-25003 Type 20 Brass and Viton O-Ring 5/8” BSP LH Internal, 14 T.P.I. Internal angled sealing face, thread I.D, 21.0mm 11/16" 1/4"" NPT AS2473.2 Type 20 Type 20 suitable for acetylene, carbon monoxide, ethane, ethylene, hydrogen, methane, flammable gases, flammable non-toxic mixtures
547-25005 Type 30 Brass Nut: 0.860” WHIT RH, 14 T.P.I. Flat end sealing face, thread O.D. 21.8mm 11/16" 1/4" npt AS2473.2 Type 30 Type 30 suitable for carbon dioxide, nitrous oxide
547-25013 Type 21 Brass 11/16" Internal angled sealing face, thread I.D. 21.0mm Not stated 1/4" npt AS2473.2 Type 21 Type 21 suitable for LPG

Variant-specific features

Feature Applies to SKU
Bulgin designed Seal-Lok Retaining Screw to lock the seal in place on the stem. 547-25005