Specification refers to operating temperatures up to 50 °C. Other requirements, particularly functional tests for the actual sealing materials, shall be specified in national standards. Applicable to joint rings for all pipeline materials including iron, steel, copper, plastics. The standard does not include joint rings made from cellular rubbers or with enclosed voids. 2 tables with general and optional requirements.
Số hiệu tiêu chuẩn
ISO 6447
Tên tiêu chuẩn
Rubber seals; Joint rings used for gas supply pipes and fittings; Specification for material
Ngày phát hành
1983-10-00
Tiêu chuẩn tương đương
DIN 3535-3 (1982-04), MOD * 92/38916 DC (1992-03-31), MOD * BS 2494 (1986-03-31), NEQ * BS 2494 (1990-08-31), NEQ * NF T47-306 (1985-12-01), IDT * NF T47-306 (2003-05-01), NEQ * T47-306, MOD * GOST 5228 (1989), IDT * TS 5434 (1988-02-02), NEQ * UNI 9264 (1988), MOD
Từ khóa
Gas supply * Materials specification * Pipe couplings * Pipelines * Quality control * Rubber * Rubber products * Sealing rings * Tensile strength * Vulcanized rubber * Rubber joints