Skin Fittings Domed

Suitable for underwater use, TruDesign range of Certified Skin Fittings designed and made in New Zealand, the Skin Fitting body and nut are moulded from a glass-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. TruDesign Skin Fittings eliminate the corrosion and electrical bonding problems associated with metallic fittings.

  • ISO 9093-2021 Small craft -TRUDESIGN Skin Fittings and Ball Valves comply with ISO 9093:2021 and certified by the International Marine Certification Institute (IMCI).
  • For sizes ¾” through to 3”, excludes the ½” size.
  • American ABYC H-27 – 500Lb static load test - TRUDESIGN Skin Fittings and Ball Valves meet the American ABYC H-27 – 500Lb static load test; Seacocks, Thru-Hull Fittings, and Drain Plugs – independently verified by IMANNA Laboratory Inc.
  • For sizes 1¼” through to 3” the ABYC Collar it is not a requirement to meet this static load test.
  • TruDesign ABYC Load Bearing Collar is required for the size ¾ and 1” to meet this static load test.
  • The ½” does not meet the 500Lb static load test with or without the ABYC collar
Bureau Veritas Marine Division Type Approval
American Boat & Yacht Council
Seacocks and thru hull fitting certifications
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Product Highlights

Certified.
Complies with ISO 9093:2021 and certified by IMCI International Marine Certification Institute.
Compatible.
Works with many hull types - aluminium, steel, wood or GRP hulls.
Chemical Resistant.
Unaffected by diesel, petrol, house-hold chemicals, and antifouling paints.
Large Operating Range.
Suitable for all marine conditions from - 40°C to +110°C.
UV Resistant.
Will not degrade or discolour from the sun’s ultraviolet rays. 
Paintable.
High quality surface finish, will not discolor and can be painted with all types of antifouling.

Models

Number Size Thread Color View
90418 1½" BSP BLACK
90419 1½" BSP WHITE
90420 1¼" BSP BLACK
90421 1¼" BSP WHITE
90422 1" BSP BLACK
90423 1" BSP WHITE
90424 ½" BSP BLACK
90425 ½" BSP WHITE
90431 ¾" BSP BLACK
90432 ¾" BSP WHITE
91225 ½" NPS BLACK
91226 ¾" NPS BLACK
91227 1" NPS BLACK
91228 1¼" NPS BLACK
91229 1½" NPS BLACK
91230 2" NPS BLACK
91231 ½" NPS WHITE
91232 ¾" NPS WHITE
91233 1" NPS WHITE
91234 1¼" NPS WHITE
91235 1½" NPS WHITE
91236 2" NPS WHITE
91343 2" BSP BLACK
91344 2" BSP WHITE

Documentation

Frequently Asked Questions

  • How do I replace an old Skin Fitting (Thru Hull) with TruDesign?
  • How to use the TruDesign Skin Fitting / Thru Hull Install Tool?
  • Are TruDesign Ball Valves approved / compliant to international standards?
  • What sealant can I use on TruDesign threads ?
  • Are TruDesign Skin Fittings certified ?
  • How do I identify BSP or NPS threads?