![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/460%20Image_LoRes.jpg?itok=eK87rhEh)
Wilkins Spill Resistant Pressure Vacuum Breaker
The Wilkins Model 460 is designed for installation on indoor and outdoor point of use applications to protect against backsiphonage of contaiminated water into the water supply.
460 - Standard model as shown
![350 Wilkins Double Check Valve Assembly 350 Series 20-50mm](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/350-small-wilkins-double-check-valve-assembly.jpg?itok=c9Smg7tH)
Wilkins Double Check Valve Assembly 350 Series 20-50mm
The Wilkins model 350 double check valve assembly with its revolutionary removable pressure vessel, is designed to protect against backpressure and backsiphonage of polluted water into the potable water supply. In addition to the removable pressur
350 - Standard model c/w 2 x ball valves
350L - Less ball valves
350S - Supplied with 2 x ball valves and 1 x Y strainer
350F - Supplied with Filterball inlet valve and 1 x outlet ball valve
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/950XLT%20Image_LoRes.jpg?itok=syXCWlpw)
Wilkins Top Access Double Check Valve Assembly 950XLT Series 20-50mm
When double check valve assemblies are installed in valve boxes, it is advantageous to have top access to the check valves and test cocks. The Wilkins 950XLT embodies these advantages. Both check valve access covers and test cocks are angled upw
950XLT - Standard model c/w ball valves
950LXLT - Less shut-off valves
950XLTS - Supplied with strainer
950XLTF - Supplied with integrated filter in inlet ball valve
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/350_series65-300mm%20Image_LoRes.jpg?itok=n45pTz9V)
Wilkins Double Check Valve 350 Series 65-250mm
The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.
W65350 - Wilkins Double Check Backflow Preventor (DCV) 350Series 65mm.
W65350L - Same as W65350 but less gate valves.
W65350FSC - Same as W65350 C/W 2x Table E NRS Gate Valves & 1x Table E Strainer.
W80350 - Wilkins Double Check Backflow Preventor (DCV) 350 Series 80mm.
W80350L - Same as W80350 but less gate valves.
W80350FSC - Same as W80350 C/W 2x Table E NRS Gate Valves & 1x Table E Strainer.
W100350D - Wilkins Double Check Backflow Preventor (DCV) 350 Series, 100mm With Table D Flange Ends, C/W 2x NRS Gate Valves.
W100350LD - Same as W100350D but No Gate Valves.
W100350DALD - Same as W100350D but with Metered Bypass, No Gate Valves.
W100350DFSC - Same as W100350D but with strainer.
W100350E - Wilkins Double Check Backflow Preventor (DCV) 350 Series, 100mm With Table E Flange Ends, C/W 2x NRS Gate Valves.
W100350LE - Same as W100350E but less gate valves.
W100350DALE - Same as W100350E but with Metered Bypass, No Gate Valves.
W100350EFSC - Same as W100350E but with strainer.
W100350AL - Wilkins Double Check Backflow Preventor (DCV) 350 Series 100mm With Grooved Ends, No Gate Valves.
W100350ALDAL - Same as W100350AL but with Meterd Bypass.
W150350 - Wilkins Double Check Backflow Preventor (DCV) 350 Series, 150mm With Table E Flange Ends, C/W 2x NRS Gate Valves.
W150350L - Same as W150375 but less gate valves.
W150350AL - Wilkins Double Check Backflow Preventor (DCV) 350 Series, 150mm With Grooved Ends, No Gate Valves.
W150350DAL - Same as W150350 but with Metered Bypass, No Gate Valves.
W150350FSC - Same as W150350 but with strainer.
W200350 - Wilkins Double Check Backflow Preventor (DCV) 350 Series 200mm With Table E Flange Ends, C/W 2x NRS Gate Valves.
W200350L - Same as W200350 but less gate valves.
W200350AL - Double Check Backflow Preventor (DCV) 350 Series 200mm With Grooved Ends, No Gate Valves.
W200350DAL - Same as W200350 but with Metered Bypass, No Gate Valves.
W200350FSC - Same as W200350 but with strainer.
W250350E - Wilkins Double Check Backflow Preventor (DCV) 350 Series, 250mm With Table E Flange Ends, C/W 2x NRS Gate Valves.
W250350LE - Same as W250350E but less gate valves.
W250350DALE - Same as W250350E but less gate valves.
W250350AL - Wilkins Double Check Backflow Preventor (DCV) 350 Series 250mm With Grooved Ends, No Gate Valves.
W250350ALDAL - Same as W250350AL but with Metered Bypass, No Gate Valves.
![350DA](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/350DA-Image-LoRes.jpg?itok=YfUoE9bO)
Wilkins Double Check Valve 350DA Series 65-250mm
Designed for installation on potable water connections in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply.
350DAE - Standard valve complete with 2 x Table E flanged NRS Gate Valves.
350DAD - As above but with Table D flanges.
350DALE - Same as 350DAE but less Gate Valves.
350DALD - Same as 350DAD but less gates.
350ADAL - Roll groove body less gates.
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/450%20Image_LoRes.jpg?itok=AL5BvblN)
Wilkins Double Check Valve 450 Series 65-250mm
Designed for installation on potable water lines to protect against both back-siphonage and back-pressure of polluted water into the potable water supply. The Model 450 shall provide protection where a potential health hazard does not exist.
450 - Standard valve complete with NRS (Non-Rising Stem) Gate Valves.
450G - Same as 450 but with groover x groove end connections.
450FG - Same as 450 but with flanged inlet and grooved outlet connections.
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/460%20Image_LoRes_1.jpg?itok=eFa0gjY0)
Wilkins Spill Resistant Pressure Vacuum Breaker Assembly
Designed for installation on indoor and outdoor point of use applications to protect against back-siphonage of contaminated water into the water supply. During start-up abd operation a separate diaphragm seals the air inlet from the water supply p
460 - Standard model as shown.
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/BFP8%20Image_LoRes_0.jpg?itok=ht2ZGkvs)
Hose Tap Vacuum Breaker
The Model BFP-8 is designed for installation on potable water lines such as service sinks, laundry tubs and hose bibb taps to protect against back-sipohonage of polluted water into the potable water supply. A break-away set screw is included to p
WBFP8 - Standard model as shown
WBFP8-CH - Same as standard model but in chrome plated finish
WBFP20 - Same as standard model but for 20mm hose tap
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/W14-ZWFR%20Image_LoRes.jpg?itok=CltZDm9S)
Wilkins Freeze Prevention Valve
The Wilkins model W14-ZWFR freeze prevention valve is ideal for regions where occasional / unexpected freezes occur, yet winterisation (blow-out) is not common.
W14-ZWFR - Standard model as shown.
![](https://www.macdonaldindustries.co.nz/sites/default/files/styles/thumbnail/public/TG-3_TestKit_AF.jpg?itok=-c8XBCGA)
Backflow Prevention Assembly Test Kit
The Model BF-TG3 backflow prevention assembly test kit is designed for testing all brands of pressure type vacuum breakers, double check valve, and reduced pressure principle backflow prevention assemblies. The BF-TG3 is capable of performing all
BF-TG3 - Standard model as shown.