- In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other fittings
- Threads for the screwed ends of fittings comply to the appropriate requirements of AS 1722 Part 1: Sealing pipe threads and also ISO 7-1.
- Female Ends: Normally supplied with parallel thread.
- Male Ends: Normally supplied with taper threads.
- Black Steel: These fittings are generally degreased and protected with a coating of light oil.
- BS EN 10241 “Steel Threaded Pipe Fittings, Screwed BSP Thread”.
- Australian Standard 1074 “Steel Tubes and Tubulars Threaded or suitable for Threading with Pipe Threads of Whitworth Form”.
- Australian Standard 1650 “Galvanised Coatings on Ferrous Articles”.
Australian Standard Measurement and Sizing Chart
| Size | Male Fitting End | Female Fitting End | Actual Barb | ||
|---|---|---|---|---|---|
| Imperial | Metric | Inner Diameter | Outer Diameter | Inner Diameter | Outer Diameter |
| 1/8" | 6mm | 6mm | 9mm | 9mm | 6.5mm |
| 1/4" | 8mm | 8mm | 13mm | 13mm | 8mm |
| 3/8" | 10mm | 10mm | 16mm | 16mm | 11mm |
| 1/2" | 15mm | 15mm | 20mm | 20mm | 14.5mm |
| 3/4" | 20mm | 20mm | 25mm | 25mm | 21mm |
| 1" | 25mm | 25mm | 32mm | 32mm | 27mm |
| 1-1/4" | 32mm | 32mm | 41mm | 41mm | 33.5mm |
| 1-1/2" | 40mm | 40mm | 47mm | 47mm | 38.5mm |
| 2" | 50mm | 50mm | 58mm | 58mm | 52mm |
| 2-1/2" | 65mm | 65mm | 74mm | 74mm | 64mm |
| 3" | 80mm | 80mm | 86mm | 86mm | 77mm |
| 4" | 100mm | 100mm | 113mm | 113mm | 102mm |
Column Definitions:
Size (Imperial): Size designated to match the ID of Fitting in inches
Size (Metric): Size designated to match the ID of Fitting in mm
Male Thread ID (mm): The actual Inside diameter of the Male Fitting in millimetres.
Male Thread OD (mm): The actual outside diameter of the Male Fitting in millimetres
Female Thread ID (mm): The actual Inside diameter of the Female Fitting in millimetres.
Actual Barb OD (mm): The actual outside diameter of the Barbed fitting in millimetres.
Warranty
All products are covered by the full manufacturer’s warranty of 2 years. Should you have an item that is faulty we are happy to replace with a new one. Please contact us with details and/or photos of the fault as well as your contact details so we can discuss the issue and organise a replacement at our cost, or if you prefer, we can provide a full refund. In some cases, we may request the item be returned to us depending on the issue.
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