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ISO kalibrált mérőperemek tesztinjektorokhoz

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Precíziósan kalibrált mérőperemek ISO tesztbefecskendezőkhöz (ISO 7440 / ISO 14681). 0,4 mm-től 0,8 mm-ig terjedő átmérőben kaphatók, és megismételhető, szabványosított áramlási feltételeket biztosítanak a dízelszivattyú kalibrálása során.

Marbed 84.50.V series orifice plates are reference components for ISO test injectors.
Manufactured to ISO 7440-2 tolerances, they define the fuel-flow reference during pump testing and ensure consistent results across benches.

Each plate features a single precision-drilled hole (Ø 0.4 – 0.8 mm) for controlled delivery under ISO 7440 / 14681 test conditions.

  • Nominal diameter

Ez a kombináció nem létezik.

Calibrated orifice plates are precision reference elements used in ISO 7440 and ISO 14681 test injectors.

They define the flow-rate reference in the injector assembly, ensuring identical test conditions and comparable pump-delivery results worldwide.

Each plate corresponds to a Bosch reference and a nominal bore diameter between 0.4 mm and 0.8 mm.

Key Benefits

  • Guaranteed ISO compliance with standards 7440-2 and 14681.

  • Standardized pump test results – same flow data across different benches.

  • High-precision machining ensures repeatability and flow stability.

  • Easy replacement and traceability – engraved identification per ISO.

  • Durable stainless-steel design for long service life under calibration fluids (ISO 4113).

Key Features

  • Product family: 84.50.V*

  • Range: Ø 0.4 mm – 0.8 mm

  • Mounting: fits ISO 7440 / 14681 calibrating injectors

  • Application: with Marbed test nozzles 84.40.987 / 990 / 991 / 999 etc.

  • Material: hardened and polished steel, corrosion-resistant

  • Compliance: ISO 7440-2 (flow measurement of orifice plates)

  • Standard fluid: ISO 4113 calibration oil

  • Max flow deviation: < ±1 % within calibrated range

Technical Data (Variants)

VariantØ Hole (mm)Bosch Ref.ISO ReferenceTypical Use
84.50.V40.4 mm1 680 103 094ISO 7440 / 14681Low-flow calibration
84.50.V50.5 mm1 680 103 095ISO 7440 / 14681Standard flow
84.50.V60.6 mm1 680 103 096ISO 7440 / 14681Mid-range flow
84.50.V70.7 mm1 680 103 097ISO 7440 / 14681High-flow calibration
84.50.V80.8 mm1 680 103 098ISO 7440 / 14681Maximum flow capacity

GYIK

Ezek a fúvókalemezek motorokhoz valók?

Nem. Ezek referenciaalkatrészek, amelyeket csak ISO tesztbefecskendezőkkel használnak kalibrálópadokon.

Hogyan határozzák meg az áramlási értékeket?

Minden egyes lemez furatátmérője meghatározza a referencia áramlási sebességet az ISO 7440-2 szabvány szerint; az áramlást ISO 4113 kalibrációs olajjal ellenőrzik.

Mikor kell kicserélni a fúvókalemezt?

Kövesse az ISO 4008-3 B. mellékletének karbantartási intervallumait, vagy cserélje ki, ha az áramlási eltérés meghaladja a tűréshatárt.

Ezek kompatibilisek a Marbed tesztinjektorokkal?

Igen, ISO 7440 / 14681 szabványú befecskendezőkkel (II, III, VII, IX és azzal egyenértékű típus).

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