ISO 7608:1985

Name: ISO 7608:1985 — Shipbuilding — Inland navigation — Couplings for disposal of oily mixture and sewage water
SKU: ISO 7608:1985
Price: 25 EUR
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Shipbuilding — Inland navigation — Couplings for disposal of oily mixture and sewage water

Название (английский):

ISO 7608:1985

Shipbuilding — Inland navigation — Couplings for disposal of oily mixture and sewage water

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 13 июня 1985 г.
Издание:: ISO IS 7608 edition 1 version 1
ICS:: 47.060

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Цена:25 €

Описание (английский):

Specifies types, design and basic dimensions as well as technical requirements. Has been prepared in accordance with the environmental protection aspects of the Final Act of the Conference on Security and Cooperation in Europe (Helsinki, 1975) and is also in conformity with the "International convention for the prevention of pollution from ships", 1973 (MARPOL, 1973).

Abstract

Overview

Key topics and technical requirements

Scope & classification
- Two fluid groups: Group A (oily mixture) and Group B (sewage water).
- Four design types: Type 1 - flange couplings, Type 2 - quick‑release couplings (bush + end‑piece with union nut), Type 3 - flange/end‑piece adapters, Type 4 - flange/bush adapters.
- River/sea vessels are required to use a fixed Type 1 flange coupling.
Dimensions & pressure
- Flange couplings sized for internal tube diameters up to 125 mm (oily mixture) and 100 mm (sewage).
- Typical quick‑release sizes referenced: DN 80 (oily mixture) and DN 100 (sewage).
- Conventional working pressure for couplings and adapters: 0.6 MPa (6 kgf/cm²).
Materials & gaskets
- Parts should be made of steel or equivalent materials; when oil vapour flash point < 60 °C, use spark‑preventing materials.
- Gasket materials specified by service: oil- and petrol‑resistant soft rubber for oily mixtures; acid‑ and alkali‑resistant soft rubber for sewage.
Fasteners & sealing
- Bolt diameters for flange connections indicated (26 mm for oily group; 16 mm for sewage group) and gasket geometries are defined in the standard.
Designation & marking
- Parts must be marked with the ISO number, coupling group and part number; adapters must be marked on both ends. The standard defines a clear designation table for parts.

Practical applications

Ensures interchangeable, leak‑tight connections during transfer of waste streams between inland vessels and port reception facilities.
Used in vessel outfitting, retrofit, and equipment procurement to meet environmental regulations (MARPOL) and port acceptance requirements.
Supports safe transfer of oily bilge discharge, slops and sewage to shore collection systems or receiving barges.

Who should use this standard

Shipyards, naval architects and marine engineers specifying discharge fittings for inland vessels
Coupling and gasket manufacturers and suppliers
Port operators and waste reception service providers
Classification societies, operators and regulatory authorities ensuring MARPOL and inland navigation compliance

Related standards

ISO 2902 (metric trapezoidal screw threads)
ISO 4200 (plain end steel tubes - dimensions and masses)

Keywords: ISO 7608:1985, couplings, oily mixture, sewage water, inland navigation, shipbuilding, flange coupling, quick‑release coupling, adapters, MARPOL, gaskets.

Технические детали

Технический комитет: ISO/TC 8/SC 7 - Inland navigation vessels
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ISO 7608:1985

Abstract

Overview

Похожие стандарты

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 2902:1977

ISO metric trapezoidal screw threads — General plan

ISO 4200:1991

Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length

ISO 8212:1986

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ISO 20662:2020

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ISO 3021:2023

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ISO 3826-2:2008

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ISO/IEC 24730-1:2014

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ISO 8668-5:1992

Aircraft — Terminal junction systems — Part 5: Detail specification for type 3 system