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RPM Diffusion — Professional Marine Valves
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From hull to engine

Build a complete seawater intake: each part is chosen to fit the previous one (material, thread, diameters). Choose the material and size of the through-hull: the rest of the kit fills in by itself, and you can then change any part.

  1. 1 Through-hull

    Bronze, stainless steel or brass. Below the waterline in seawater, prefer bronze or stainless steel.

    Brass: economical, but it dezincifies when permanently immersed in seawater. Keep it for protected circuits or plan to replace it; the cart will remind you.

  2. 2 Seacock

    Female / female ball valve, BSP thread DN10 · 3/8" like the through-hull, in a material that does not form a galvanic couple with it.

  3. 3 Hose tail / barbed fitting

    Male hose tail DN10 · 3/8", same material rule. The barb diameter sets the inside diameter of the hose.

    Ref. RPM1004-11B5

    HOSE TAIL M BRASS DN10 - 3/8" X 20 PN40
    • Size : DN10 - 3/8" x 20
    • Material : Brass
    • Pressure : PN40
    • Certificate : RINA
    • Thread : Male

    On order

    €3.50excl. VAT

  4. 4 Seawater suction hose

    Lloyd's / RINA marked hose, inside diameter matched to the Ø 20 mm barb.

    Ref. RPMTMSSP-020

    MARINGAS/SP HOSE EXHAUST RUBBER DN20 PN3 BLACK LLOYD'S RINA
    • Size : DN20
    • Material : Rubber
    • Pressure : PN3
    • Certificate : Lloyd's / RINA

    In stock

    €23.26excl. VAT per m

  5. 5 Hose clamps

    Clamp worm-drive Ø25–40 mm, for the clamp size recommended by the Sati MARINGAS/SP technical sheet (Ø29–31 mm). Two clamps at each end: double clamping below the waterline.

    Ref. RPM136-704032

    HOSE CLAMP NORMA W4 Ø25-40
    • Size : 25-40
    • Material : Stainless steel

    In stock

    €3.68excl. VAT

Your seawater intake

Ref. Description Quantity Price excl. VAT Total excl. VAT
RPM1121-1003 THROUGH-HULL BRASS DN10 - 3/8" PN16 1 €7.80 €7.80
RPM0901N-203 BALL VALVE COMET BRASS F/F HANDLE ALUMINIUM DN10 - 3/8" PN40 1 €12.02 €12.02
RPM1004-11B5 HOSE TAIL M BRASS DN10 - 3/8" X 20 PN40 1 €3.50 €3.50
RPMTMSSP-020 MARINGAS/SP HOSE EXHAUST RUBBER DN20 PN3 BLACK LLOYD'S RINA 1 €23.26 €23.26
RPM136-704032 HOSE CLAMP NORMA W4 Ø25-40 4 €3.68 €14.72
Total excl. VAT €61.30

Quantities are rounded to each product's sales unit. The cart recalculates your prices and checks that the parts are compatible.

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