A very robust 160° vented loop elbow made from white GRP with an inserted lip valve and fastening brackets for bulkhead mounting.
The pipe, that is to be vented, is led above the water line and is fitted with a vent loop at the apex, thereby effectively preventing the siphon effect at toilets and pump installations and stopping the water from flowing back.
TRUDESIGN is the world leader in fittings made from composite materials. From its founding in 1974 the fittings are manufactured in New Zealand. Every TRUDESIGN part is made from high tensile composite GRP, a glass fibre reinforced Polyamide (6). The advantages are a high rigidity, temperature-resistance -40° to 80° C, resistant to oil and chemicals, of low weight, absolutely corrosion-resistant, electrically non-conductive and therefore especially suited for ship building materials which are galvanically sensitive like aluminium and steel.
Every TRUDESIGN fitting has a tapered Whitworth pipe thread BSP (British Standard Pipe Thread) according to ISO 228-1, it is therefore fully convertible with fittings from brass, bronze or stainless steel. The shuttle valves and through hulls are approved and IMCI certificated after ISO 9093-2 (sea cocks and through hulls for pleasure vessels).
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