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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 DN50 · 2" 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 DN50 · 2", same material rule. The barb diameter sets the inside diameter of the hose.

    Ref. RPM1004-1175

    HOSE TAIL M BRASS DN50 - 2" X 50 PN40
    • Size : DN50 - 2" x 50
    • Material : Brass
    • Pressure : PN40
    • Certificate : RINA
    • Thread : Male

    In stock

    €19.10excl. VAT

    Other compatible choices (1)
  4. 4 Seawater suction hose

    Lloyd's / RINA marked hose, inside diameter matched to the Ø 50 mm barb.

    Ref. RPMTMSSP-051

    MARINGAS/SP HOSE EXHAUST RUBBER DN51 PN3 BLACK LLOYD'S RINA
    • Size : DN51
    • Material : Rubber
    • Pressure : PN3
    • Certificate : Lloyd's / RINA

    In stock

    €35.20excl. VAT per m

  5. 5 Hose clamps

    Clamp worm-drive Ø50–70 mm, for the clamp size recommended by the Sati MARINGAS/SP technical sheet (Ø60–63 mm). Two clamps at each end: double clamping below the waterline.

    Ref. RPM136-704060

    HOSE CLAMP NORMA W4 Ø50-70
    • Size : 50-70
    • Material : Stainless steel

    In stock

    €4.33excl. VAT

Your seawater intake

Ref. Description Quantity Price excl. VAT Total excl. VAT
RPM1121-1009 THROUGH-HULL BRASS DN50 - 2" PN16 1 €46.60 €46.60
RPM0901N-209 BALL VALVE COMET BRASS F/F HANDLE ALUMINIUM DN50 - 2" PN40 1 €104.77 €104.77
RPM1004-1175 HOSE TAIL M BRASS DN50 - 2" X 50 PN40 1 €19.10 €19.10
RPMTMSSP-051 MARINGAS/SP HOSE EXHAUST RUBBER DN51 PN3 BLACK LLOYD'S RINA 1 €35.20 €35.20
RPM136-704060 HOSE CLAMP NORMA W4 Ø50-70 4 €4.33 €17.32
Total excl. VAT €222.99

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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