Số hiệu tiêu chuẩn
prEN ISO 7291
Tên tiêu chuẩn
Gas welding equipment - Pressure regulators for manifold systems used in welding, cutting and allied processes up to 30.000 kPa (300 bar) (ISO/DIS 7291:2008)
Ngày phát hành
2008-11-00
Tiêu chuẩn tương đương
DIN EN ISO 7291 (2008-10), IDT * ISO/DIS 7291 (2008-11), IDT * OENORM EN ISO 7291 (2008-12-15), IDT
Từ khóa
Accident prevention * Acetylene * Adjustments * Bottle banks * Compressed gases * Conduits * Connections * Construction requirements * Conversion factor * Cutting * Definitions * Density * Design * Distinguishing signs * Equipment safety * Filters * Flows * Gas cylinders * Gas tightness * Gas type * Gas welding * Gases * Gas-welding equipment * High pressure * Leak rate * Leak tests * Manufacturing * Marking * Measuring equipment * Mechanical testing * Methods * Operating instructions * Operating properties * Oxygen * Performance * Performance testing * Performance tests * Physical * Physical properties * Pressure * Pressure measurement (fluids) * Pressure overload * Pressure regulators * Qualification tests * Relaxation * Resistance * Safety * Safety engineering * Safety requirements * Safety tests * Specification (approval) * Temperature * Test intervals * Testing * Welding * Welding equipment * Cords * Procedures * Processes * Tightness * Impermeability * Freedom from holes * Electric cables * Pipelines * Letterpress printing * Lines