Description
These lightweight, corrosion-free Thru-Hulls are crafted in Forespar’s California factory from high-strength Marelon and are suitable for above and below waterline use. They can be combined with an elbow connector if a 90 deg. intake is needed. Recommended maximum torque setting of 20 ft/lbs.
Features:
- Marelon® is a proprietary formulation of polymar composite compounds using composite reinforced polymer and additives to produce a superior marine-grade product
- Designed for use above and below the waterline
- Complete freedom from corrosion
- High strength
- UV Stabilized
- Will not freeze or become brittle with age or temperature extremes
- U.L. and A.B.Y.C. approved
- Marelon fittings can be installed using the same techniques and materials as bronze fittings
Minimum Physical Properties Required for Approval are:
- Tensile Strength 10,900 psi/75 mPa
- Flexural Modulus 500,000 psi/3480 mPa
Note: A seacock (sold separately) is required for use less than 6″ above the waterline.
Value by test to ASTM D638 (American Society of Testing & Materials)
Value by test to ASTM D790 (American Society of Testing & Materials)
Marelon Data Sheet
Product Information
Threadform Information
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