1. Catalogs
  2. Tru Design Plastics Ltd.
  3. Skin Fittings Threaded

Skin Fittings Threaded

Skin Fittings Threaded

Skin Fittings Threaded

Product catalog summary
Product Overview
Tru-Design Skin Fittings are high-performance composite thru-hull solutions designed and manufactured in New Zealand. Made from glass fibre reinforced nylon composite, these fittings offer superior strength, stiffness, and dimensional stability while being lightweight compared to metallic alternatives. They eliminate corrosion and electrical bonding issues associated with metal fittings and comply with ISO International Standards for marine environments.

Models
The product range includes various sizes and thread types (BSP and NPS) in both white and black colors, catering to different installation needs.

Standards and Certifications
Tru-Design Skin Fittings are certified by the International Marine Certification Institute (IMCI) and meet ISO 9093-2 standards for non-metallic seacocks and thru-hull fittings, except for the ½” size. They also have Bureau Veritas Marine Division Approval for commercial marine applications.

Key Features
  • Manufactured from glass reinforced nylon composite for high strength and lightweight.
  • Compatible with all hull types including aluminum, steel, wood, and GRP.
  • Immune to corrosion and electrolysis, ensuring long life.
  • Chemical and UV resistant, maintaining integrity and appearance.
  • Paintable with antifouling paints, simplifying maintenance.
  • Wide operating temperature range from -20°C to +110°C.

Specifications
Tru-Design Skin Fittings are suitable for various hull constructions and offer specific flow diameters and maximum hull thicknesses for each size.

Installation Instructions
Detailed installation instructions are provided, emphasizing proper location, drilling, and sealing techniques. Recommended sealants include epoxy systems and specific thread sealants like Teflon tape, Sikaflex 291i, 3M Fast Cure 5200, and Locktite 55 Thread Cord.

Thread Compatibility
All fittings use British Standard Pipe Parallel (BSPP) threads, ensuring secure mechanical joints. Mixing with tapered threads is discouraged to prevent damage.

Bonding and Servicing
No electrical bonding is required due to the non-corrosive nature of the composite material. Regular checks for secure fitting and damage are recommended, especially after hauling out.

Disclaimer
Tru-Design Plastics Ltd. disclaims responsibility for improper installation or tampering and reserves the right to change specifications without notice.
See more

Catalog excerpts

Skin Fittings Threaded-1

PRODUCT INFORMATION SKIN FITTINGS Designed and made in New Zealand, Tru-Design Skin Fittings are the superior composite thru-hull solution. The Skin Fitting body and nut are moulded from glass fibre reinforced nylon composite. High strength, high-modulus glass fibres provide dramatic strength, stiffness, toughness and dimensional stability. These properties allow a significant weight reduction over metallic fittings. Tru-Design Skin Fittings eliminate the corrosion and electrical bonding problems associated with metallic fittings. Our Skin Fittings meet ISO International Standards giving added assurance of performance in the harsh marine environment. MODELS Part # Skin Fitting ½” BSP White Skin Fitting ½” NPS White Skin Fitting ¾” BSP White Skin Fitting ¾” NPS White Skin Fitting 1” BSP White Skin Fitting 1” NPS White Skin Fitting 1¼” BSP White Skin Fitting 1¼” NPS White Skin Fitting 1½” BSP White Skin Fitting 1½” NPS White Skin Fitting 2” BSP White Skin Fitting 2” NPS White Skin Fitting ½” BSP Black Skin Fitting ½” NPS Black Skin Fitting ¾” BSP Black Skin Fitting ¾” NPS Black Skin Fitting 1” BSP Black Skin Fitting 1” NPS Black Skin Fitting 1¼” BSP Black Skin Fitting 1¼” NPS Black Skin Fitting 1½” BSP Black Skin Fitting 1½” NPS Black Skin Fitting 2” BSP Black Skin Fitting 2” NPS Black Doc: PIS - Skin Fittings 3.2.doc LEADERS IN MAR

 Open the catalog to page 1
Skin Fittings Threaded-2

PRODUCT INFORMATION STANDARDS Tru Design Skin Fittings are certified by the International Marine Certification Institute (IMCI) to meet; ISO 9093-2 Small craft -- Seacocks and through-hull fittings -- Part 2: Non-metallic *Note – ½” Skin Fittings do not meet ISO 9093-2 In meeting ISO 9093-2, our skin fittings have been tested with a 155kg load hanging off a ball valve and hose fitting as shown. Bureau Veritas – as of August 28, 2012 Tru Design have Bureau Veritas Marine Division Approval (certificate #27801/A0 BV) for Skin Fittings, Ball Valves, and Aquavalves. This covers the commercial marine...

 Open the catalog to page 2
Skin Fittings Threaded-3

PRODUCT INFORMATION SPECIFICATIONS HULL COMPATIBILITY The Tru-Design Skin Fittings are suitable for installation in all types of hull construction; steel, aluminium, fibreglass - cored and solid, wooden sandwich. Tru-Design Skin Fittings are also able to be used on caulked solid wood hulls – care should be taken to only locate the skin fitting in the centre of any individual plank. FLOW DIAMETER & HULL THICKNESS Size Maximum Hull Thickness DIMENSIONS All dimensions in mm. All dimensions nominal. Doc: PIS - Skin Fittings 3.2.doc LEADERS IN MARINE COMPOSITE FITTINGS

 Open the catalog to page 3
Skin Fittings Threaded-4

PRODUCT INFORMATION INSTALLATION Full installation instructions are supplied with the Skin Fitting. Location & Drilling: Ensure there is sufficient room on the inside of the boat to allow the Ball Valve to be screwed onto the Skin Fitting without hitting the bulkhead or other part of the hull. Also ensure it is located where no inadvertent opening or closing of the valve can occur. Mark the location. Drill from the inside a pilot hole 3mm in diameter. Select a hole-saw 1mm larger than the outside diameter of the thread diameter on the skin fitting. From the inside, use the pilot hole as a centre...

 Open the catalog to page 4
Skin Fittings Threaded-5

PRODUCT INFORMATION Sikaflex 291i: Takes approximately 2 hours to cure, then hoses can be attached. Full cure takes 24 hours. The Skin Fitting is not able to be turned after cure but can be undone with the use of a larger spanner. The nut does not crack open easily and has to be unscrewed the whole way by spanner which shows how well it has adhered and sealed the joint. Colour = Black. 3M Fast Cure 5200: Takes slightly less than 2 hours to cure, then hoses can be attached. Full cure takes 24 hours. The Skin Fitting is not able to be turned after cure but can be undone with the use of a larger...

 Open the catalog to page 5
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.