Tru Design

What sealant should I use between a bronze or stainless skin fitting and a TruDesign ball valve ?

The same options as you would use for sealing any TruDesign composite fitting to a TruDesign composite Ball Valve: #3M 5200 #3M 5200 FT (Fastcure) # Sikaflex 291 # Sikaflex 591 # Loctite 5...

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Question

What sealant can I use on TruDesign threads ?

Answer

Thread sealing options: - 3M 5200 - 3M 5200FT (fast cure) - Sikaflex 291i - Sikaflex 591 - Loctite 5331 - Loctite 55 Pipe Sealing Chord - PTFE Thread Tape

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Question

What if I need to replace an old Skin Fitting that has been epoxied into the hull ?

Answer

If for example a 1" toilet outlet needed to be replaced with a 1½" toilet outlet; Wedge a wooden bung into the Skin Fitting from the outside and use a hole saw to drill out the fitting with a diam...

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Question

What height above waterline for mounting a vented loop ?

Answer

A Vented loop should be mounted a Minimum of 250mm above the waterline and the higher the better especially in the case of a yacht where the height to waterline can change when the vessel is heelin...

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Question

Should I mount the Aquavalve above the water line ?

Answer

YES If the Electronic Aquavalve is mounted above the water line the valve will drain out therefore there is less buildup on the internal seal from the salt water that would continually sit in the ...

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Question

Should I mount my carbon filter horizontal or vertical ?

Answer

All carbon filters must be mounted vertically. Horizontal mounting will result in the carbon granules settling and leaving a space above for air to pass without going through the carbon. If it is n...

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Question

Identification of threads BSP or NPS ?

Answer

Tru-Design manufacture these marine fittings with two types of threads: BSP British Standard Pipe for the European market. NPS National pipe straight for the US market. Each threaded fitting wi...

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Question

How to service the Manual Aquavalve?

Answer

If your Aquavalve has not had the handle turned for over 12 months the chances are that the valve can become tight to turn or even jammed in the case of very high salt / calcium build up. Tools ...

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Question

How to install an Electronic Aquavalve?

Answer

The operator manual has full installation instructions - see below

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Question

How to install and seal a TruDesign Skin Fitting / Thru Hull into the hull ?

Answer

Marine adhesive sealants such as 3M Fast Cure 5200, Sika 291i or Sika 591 can be used. West type epoxy system can also be used, this method makes the Skin Fitting an integral part of the hull. See ...

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Question

How do I wire a Monitored Ball Valve with ignition interlock?

Answer

You can use the monitored ball valve to disable ignition of an engine until the valve is open (water intake open). This avoids possible engine running without coolant.

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Question

Fitting sanitary hose to hose tails

Answer

Use a hair drier to heat up the end of the hose or immerse the end of the hose in hot water. Both these methods will soften the hose sufficiently to enable it to be pushed on. Care must be taken wi...

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Question

Electronic Aquavalve Servicing and manual operation?

Answer

The Electronic Aquavalve is supplied with full operator and servicing instructions. It is recommended that the seal is greased regularly with Silicone grease which is available in an appropriate s...

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Question

Do TruDesign Ball Valves require lubrication ?

Answer

No. The TruDesign ball valves are manufactured with a Teflon impregnated Ball running on Teflon rings, so no lubrication is required. It is good practice to turn the valve handle every few months...

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Question

Can you fit TruDesign Ball Valves to bronze or Stainless skin fittings ?

Answer

Yes TruDesign Composite ball valves can be screwed onto an approved bronze skin fitting. First the thread on the bronze skin fitting must be identified to match the TruDesign Ball Valve (either ...

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Question

Can I use a vented loop on the intake hose on an electric toilet ?

Answer

Yes Our vented loops fitted with solenoids are designed for electric toilets so the solenoid valve shuts off when you push the flush button so you get full flow then it reverts to an anti-siphon ...

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Question

Can I screw a tapered fitting into a TruDesign Ball Valve ?

Answer

NOT RECOMMENDED! The TruDesign Ball Valves have parallel threads and only fittings with parallel threads should be screwed into them. This is a very important issue as parallel threads allow for ...

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Question

Can I run Petrol or Diesel through TruDesign fittings ?

Answer

YES and No TruDesign fittings (in both black and white) are suitable for contact with petrol & diesel fuels. NOTE: TruDesign Ball Valves, Aquavalves and Non-Return Valves should not be used in d...

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Question

Can I remove the handle from a TruDesign Ball Valve?

Answer

Yes To aid installation in confined spaces it may be useful to remove the handle from the Ball Valve. To do so follow the steps below: # Remove the flush screw cover from the top of the handle ...

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Question

Can I power / wire up the Electronic Aquavalve without the control panel?

Answer

Yes you can trigger the Electronic Aquavalve with toggle switches. However you will also need LED lights to indicate what position the valve is in - overboard or holding tank.

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Question

Can I fit a Skin Fitting with Tail below the waterline ?

Answer

NO All Skin Fittings fitted below the waterline must be threaded and connected to a Ball Valve to enable shut off in event of an emergency and when unattended at the Marina. Additionally, 2 stain...

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Question

Are TruDesign Skin Fittings certified ?

Answer

YES The TruDesign Skin Fittings (Thru Hulls) 3/4" and above are compliant to ISO 9093-2 and certified by the International Marine Certification Institute (IMCI) and Bureau Veriitas. ABYC H-27....

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Question

Are TruDesign Ball Valves approved / compliant to international standards?

Answer

YES for 3/4" and above TruDesign Ball Valves assembled with TruDesign Skin Fittings are compliant to ISO 9093-2 and certified by International Marine Certification Institute (IMCI) and Bureau V...

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