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Derwent manufactures Fire Hydrants for the Australian and New Zealand Water Markets.   The Hydrants are manufactured in accordance with the relevant standard for the area. Please refer to your local Water Authority to see if the Derwent product is approved in your area.

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Spring Hydrants

Spring Hydrant
spring hydrant.JPG

Derwent Spring Hydrants are manufactured to AS 3952-2002 and are available for both water and re-use water applications.  

 

Sizes:                                      DN 80 and DN100.

StandardsMark License:  SMK40418.

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Features:

  • Ductile Iron Body and top to AS 1831

  • Compression Spring 316 S/S

  • Fusion coated for corrosion protection

  • Aluminium Bronze Dome t

  • Anti-Gall Coated 316S/S Nuts and Bolts

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Applications:

Spring Hydrants are used for either potable (Blue top) or reuse (Lilac top).

SWAB Hydrants are also available with removable internals to allow main to be swabbed through the Hydrant. (As shown in cross section)

SWAB - Spring Hydrants

SWAB Hydrant

Brochure

swab-spring-hydrant-2.jpg

Derwent SWAB Hydrants are manufactured to AS 3952-2002 and are available for both water and re-use water applications.  

 

Sizes:                                      DN100.

StandardsMark License:  SMK40418.

Approvals:                            SEQ

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Features:

  • Ductile Iron Body and top to AS 1831

  • Compression Spring 316 S/S

  • Fusion coated for corrosion protection

  • Brass Dome to AS 1568

  • Anti-Gall Coated 316S/S Nuts and Bolts

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Applications:

SWAB Spring Hydrants are used where swabbing of the line is required. The top of the Spring Hydrant and internals can be removed to allow for the SWAB to pass through the hydrant.

SWAB Base.jpg
SWAB Internal.jpg

Brochure

New Zealand Fire Hydrant - Tall & Squat PN16

NZ Hydrant
NZ-tall.jpg
NZ-squat.jpg

Derwent Industries supplies both Tall and Squat New Zealand Hydrants. The Hydrants are manufactured to NZS 4522:2010. The Underground Fire Hydrants are available in both Tall and Squat version.

 

StandardsMark License:  SMK41119.

Approvals:                            Watercare - Auckland, Christchurch

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Features:

  • Ductile Iron Body and top to AS 1831

  • Bolts, Nuts and Washers - 316 S/S

  • Fusion coated for corrosion protection

  • Tall and Squat Versions - (Frost Plug optional)

  • Anti-Gall Coated 316S/S Nuts and Bolts

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Applications:

The Derwent Industries Fire Hydrants are for use with either 
Potable Water or Reuse Water for fire protection.

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Brochure

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