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テストインジェクター用 ISO 校正オリフィスプレート

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ISOテストインジェクター(ISO 7440 / ISO 14681)用に設計された、精密に校正されたオリフィスプレートです。直径0.4mmから0.8mmまでご用意しており、ディーゼルポンプの校正時に再現性のある標準化された流量条件を保証します。

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

この組み合わせは存在しません。

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

よくある質問

これらのオリフィスプレートはエンジン用ですか?

いいえ。これらは、校正ベンチの ISO テストインジェクターでのみ使用される参照コンポーネントです。

フロー値はどのように決定されますか?

各プレートのボア径は ISO 7440-2 に従って基準流量を定義します。流量は校正オイル ISO 4113 を使用して検証されます。

オリフィスプレートはいつ交換すればよいですか?

ISO 4008-3 付録 B のメンテナンス間隔に従うか、流量偏差が許容値を超えた場合は交換してください。

これらは Marbed テスト インジェクターと互換性がありますか?

はい、ISO 7440/14681 インジェクター (タイプ II、III、VII、IX および同等品) を使用すれば可能です。

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