No items found.

Single check valve provides protection from the reversal of flow or back siphonage against Fluid Category 2 risks. The low headloss design, is suitable for potable liquids , foodstuffs, intermittent hot water (up to 50°C max and in accordance with The British Beer and Pub Association Code of Practice), water treatment and purification applications.



Fast and simple to install, John Guest valves create an instant push-fit connection and leak tight seal without the need for tools, hot works or sealing agents. The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. John Guest push-fit valves are corrosion resistant and fully demountable, improving system performance and reducing system downtime during maintenance. All John Guest fittings are manufactured and assembled in the UK.

Features and benefits

  • Durable acetal copolymer material with nitrile O-rings
  • Backflow prevention up to Fluid Category 2
  • Instant push-fit connection and leak tight seal
  • Connect, disconnect and reconnect in seconds without tools
  • No scale build up improves performance and equipment lifespan
  • Superior flow characteristics
  • Suitable for potable water, foodstuffs, intermittent hot water, water treatment and purification applications (not suitable for vacuum or air)
  • Compatible with LLDPE or soft metal pipe/tubing

12mm x Single Check Valve, John Guest acetal watersafe fitting

$ 25.00 AUD
Page break line

Safely and securely prevents backflow or back siphonage contamination risks.

X
$ 25.00 AUD
No items found.

Single check valve provides protection from the reversal of flow or back siphonage against Fluid Category 2 risks. The low headloss design, is suitable for potable liquids , foodstuffs, intermittent hot water (up to 50°C max and in accordance with The British Beer and Pub Association Code of Practice), water treatment and purification applications.



Fast and simple to install, John Guest valves create an instant push-fit connection and leak tight seal without the need for tools, hot works or sealing agents. The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. John Guest push-fit valves are corrosion resistant and fully demountable, improving system performance and reducing system downtime during maintenance. All John Guest fittings are manufactured and assembled in the UK.

Features and benefits

  • Durable acetal copolymer material with nitrile O-rings
  • Backflow prevention up to Fluid Category 2
  • Instant push-fit connection and leak tight seal
  • Connect, disconnect and reconnect in seconds without tools
  • No scale build up improves performance and equipment lifespan
  • Superior flow characteristics
  • Suitable for potable water, foodstuffs, intermittent hot water, water treatment and purification applications (not suitable for vacuum or air)
  • Compatible with LLDPE or soft metal pipe/tubing

FAQ.
Page break line

What are the essential tools and materials needed for installing a plumbing system under a vehicle, and where can I find them?

John Guest fittings snap together without the use of tools or adhesives. The only tool John Guest recommends is a pipe cutter to make sure you have clean cut edges

With that said, there are essential tools that you will need in order to fix the  plumbing system into the vehicle . These include a drill, drill bits, screws, and screwdrivers.

How do I properly plan and design the layout of the plumbing system to ensure efficient water flow and easy maintenance?

Planning is a critical stage that can significantly save you both time and money. You can avoid the pitfalls of cutting pipes too short, installing fixings in the wrong locations, and making multiple trips to purchase additional fittings, tools or materials. We've all been there.

We highly recommended to sketch out your plan on paper, ensuring that you accurately measure distances and carefully note the various fittings required. Once this initial blueprint is complete, take a moment to thoroughly review your diagram, meticulously examining every detail. A helpful tip is to draw arrows on the pipes, indicating the direction of water flow.

It usually doesn't take long to draw a plan and it can save you a lot of frustration down the road.

What are the challenges in finding the right fittings, connectors, and hoses for the specific requirements of my vehicle's plumbing system?

When we started, we had a tough time finding decent fittings. We eventually tried John Guest fittings and were very impressed with their ease of install and quality build. You do need to be cautious however about matching fixings from different brands or using different materials and pumps.

How can I effectively secure and protect the plumbing components to prevent damage from vibrations and off-road conditions?

For off-road applications, it is crucial to ensure pipes and fittings are installed in spots where they are shielded from potential natural and mechanical impacts.

Although the plumbing fittings themselves are durable, if installed underneath a vehicle, they may be vulnerable to impact from rocks and sticks. Another issue is rubbing. If your pipes or fittings aren't rigidly installed in a way that stops shaking or vibrations, they could rub through causing leaks, loss of pressure or even damage to your vehicle such as paint which could leads to corrosion.

To guarantee the systems longevity, it is advisable to either position it in a protected cavities or if placed in an exposed area, install a guard to shield them from potential harm.

How can I ensure proper water pressure and flow rate in my vehicle's plumbing system, and are there any recommended pressure regulators or flow control devices?

Having the correct water pump for your specific application is crucial to achieve optimal pressure levels.

In order to regulate the flow rate of water, you could incorporate a reducer into your system.

It is worth noting that a higher water flow rate will result in faster water consumption. Therefore, it may be more advantageous to enhance water pressure while simultaneously reducing the flow rate .

Are there any specific considerations or precautions I should take when installing the plumbing system near heat sources or engine components?

Begin by checking  john guest for the fittings and pipes you intend to use. Here is a link to the specs on the John Guest range.

Pay close attention to their maximum temperature range, as this will determine the feasibility of your installation.

You might also consider heat shielding as an extra precaution.

Text us!

We appreciate your feedback and questions.
↑ Back to top ↑