Holman PVC pressure pipe fittings are suitable for a range of watering applications, including water supply, recycled water, irrigation, pressure sewerage and industrial applications. A PVC Pressure Barrel Union (CAT No.22) is used to break the line and allow access for maintenance. The locking nut can be unscrewed to allow a section of pipe or a fitting to be removed. Often a barrel union is used in front of a check valve or a pump to isolate it and to have the ability to break the line. Commonly used in irrigation or pool applications.

  • Complies to Australian standards AS/NZS 1477
  • Watermarked approved

PVC Barrel Unions

PVC Barrel Union 15mm SKU: FPF-BU15 $5.36
$8.67
PVC Barrel Union 15mm
SKU FPF-BU15
MPN PVU15

In stock

Only
$5.36

$8.67
PVC Barrel Union 20mm SKU: FPF-BU20 $4.51
$7.30
PVC Barrel Union 20mm
SKU FPF-BU20
MPN PVU20

In stock

Only
$4.51

$7.30
PVC Barrel Union 25mm SKU: FPF-BU25 $6.67
$9.37
PVC Barrel Union 25mm
SKU FPF-BU25
MPN PVU25

In stock

Only
$6.67

$9.37
PVC Barrel Union 32mm SKU: FPF-BU32 $11.40
$15.53
PVC Barrel Union 32mm
SKU FPF-BU32
MPN PVU32

In stock

Only
$11.40

$15.53
PVC Barrel Union 40mm SKU: FPF-BU40 $21.06
$26.09
PVC Barrel Union 40mm
SKU FPF-BU40
MPN PVU40

In stock

Only
$21.06

$26.09
PVC Barrel Union 50mm SKU: FPF-BU50 $16.91
$25.56
PVC Barrel Union 50mm
SKU FPF-BU50
MPN PVU50

In stock

Only
$16.91

$25.56

Product Description

Holman PVC pressure pipe fittings are suitable for a range of watering applications, including water supply, recycled water, irrigation, pressure sewerage and industrial applications. A PVC Pressure Barrel Union (CAT No.22) is used to break the line and allow access for maintenance. The locking nut can be unscrewed to allow a section of pipe or a fitting to be removed. Often a barrel union is used in front of a check valve or a pump to isolate it and to have the ability to break the line. Commonly used in irrigation or pool applications.

  • Complies to Australian standards AS/NZS 1477
  • Watermarked approved

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Product Specifications

PVC Barrel Union 15mmPVC Barrel Union 20mmPVC Barrel Union 25mmPVC Barrel Union 32mmPVC Barrel Union 40mmPVC Barrel Union 50mm
Product TypeBarrel UnionBarrel UnionBarrel UnionBarrel UnionBarrel UnionBarrel Union
Product MaterialPVCPVCPVCPVCPVCPVC
Product ColourWhiteWhiteWhiteWhiteWhiteWhite
Product Inlet Pipe Size15mm PVC20mm PVC25mm PVC32mm PVC40mm PVC50mm PVC
Product Max. Inlet Pressure (kPa)120012001200120012001200

Class 12 PVC FAQs

Irrigation systems utilise a variety of pipes, each offering unique advantages. Polyethylene (poly) pipe is a popular choice due to its flexibility, durability and suitability for underground installation. Another standard option is the PVC pipe, valued for its corrosion resistance. Interestingly different parts of Australia, have their different preferences! For applications requiring superior strength and durability, such as central water connections, brass fittings and valves are often preferred because they are highly resistant to corrosion and wear. Copper pipes, while less common in modern systems due to their higher cost, are still valued for their exceptional resilience from ground movement.

The size of piping depends on a number of factors, but the main one is the length of the run. Longer pipe lengths also necessitate larger diameters to minimise friction loss. Higher water pressure allows for smaller pipes, but excessively high pressure may require larger sizes to handle the force. Finally, the desired flow rate at the endpoint also influences the pipe size you’ll need. For more comprehensive assistance, please reach out to our experts.

Preventing leaks in your irrigation system starts with using the right fittings for your pipe type and adequately preparing the pipe ends for a secure connection. Apply thread tape to threaded fittings and appropriate sealant for solvent-welded connections. Tighten fittings securely, but avoid over-tightening. Regularly inspect your system for any signs of leaks to address potential issues promptly.

Yes, burying irrigation pipes underground is a common practice and offers several advantages. It protects the pipes from damage, reduces water evaporation and keeps them out of sight for a cleaner landscape aesthetic.

However, it’s crucial to choose the right type of pipe for underground installation. Polyethylene (poly) pipe is specifically designed for this purpose, thanks to its flexibility and durability. Always check local building codes and regulations for any requirements regarding underground pipe installation.

PVC Barrel Unions·PVC Barrel Unions·

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Currently, we can only provide pricing for the following Metro areas & regional centres. 

See pricing for pipe orders Over $1000 & Under $1000, as follows:

Region Under $1000 Over $1000
Capital Cities (Melbourne, Sydney, Brisbane, Adelaide) $214.50 $143
Regional Centres (Geelong, Ballarat, Albury-Wodonga, Newcastle, Gosford, Wollongong, Gold Coast) $214.50 $143
All Other Areas Get a Freight Quote

Please note: In some circumstances (ie: exceptionally large orders/fringe delivery locations) freight costs can vary so this freight charge may not be final. We do absorb the cost in many cases, but when we can’t, we will make contact to discuss any additional costs.

If you have any specific requirements or questions you want to clarify before ordering, make contact & we’ll gladly assist. We’ve figured out freight solutions for almost situations.

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