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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.

    Ref. RPM1112B-2004

    THROUGH-HULL SERIES "2000" BRONZE DN15 - 1/2" PN16
    • Size : DN15 - 1/2"
    • Material : Bronze
    • Pressure : PN16
    • Thread : Male

    In stock

    €31.50excl. VAT

    Other compatible choices (1)
  2. 2 Seacock

    Female / female ball valve, BSP thread DN15 · 1/2" 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 DN15 · 1/2", same material rule. The barb diameter sets the inside diameter of the hose.

    Barb Ø Ø19 mm Ø20 mm

    Ref. RPM1004B-2129

    HOSE TAIL M BRONZE DN15 - 1/2" X 19 PN40
    • Size : DN15 - 1/2" x 19
    • Material : Bronze
    • Pressure : PN40
    • Certificate : RINA
    • Thread : Male

    In stock

    €7.20excl. VAT

  4. 4 Seawater suction hose

    Lloyd's / RINA marked hose, inside diameter matched to the Ø 19 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
RPM1112B-2004 THROUGH-HULL SERIES "2000" BRONZE DN15 - 1/2" PN16 1 €31.50 €31.50
RPM444-2015 BALL VALVE BRONZE F/F DN15 - 1/2" PN40 1 €30.15 €30.15
RPM1004B-2129 HOSE TAIL M BRONZE DN15 - 1/2" X 19 PN40 1 €7.20 €7.20
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 €106.83

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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