Số hiệu tiêu chuẩn
EN 257
Tên tiêu chuẩn
Mechanical thermostats for gas-bruning appliances
Ngày phát hành
1992-02-00
Tiêu chuẩn tương đương
DIN EN 257 (1992-03), IDT * DIN EN 257 (1996-08), IDT * NBN EN 257 (1992), IDT * BS EN 257 (1992-05-01), IDT * NF D36-500 (1992-08-01), IDT * SN EN 257 (1994), IDT * SN EN 257+A1 (1997), IDT * OENORM EN 257 (1992-07-01), IDT * OENORM EN 257 (1996-10-01), IDT * PN-EN 257 (2001-12-05), IDT * SS-EN 257 (1992-03-11), IDT * UNE-EN 257 (1994-06-17), IDT * TS 9197 EN 257 (1995-04-04), IDT * IST EN 257 (1992), IDT * NEN-EN 257 (1992), IDT * NS-EN 257 (1992), IDT * SFS-EN 257 (1992), IDT * STN EN 257 (1995-05-01), IDT * STN EN 257+A1 (1998-01-01), IDT * CSN EN 257 (1994-10-01), IDT * DS/EN 257 (1993-04-30), IDT * NEN-EN 257:1994 en (1994-04-01), IDT
Từ khóa
Adjustments * Ambient temperature * Assembly instructions * Bearings * Bending * Bodies * Calibration * Checking equipment * Chemical hazards * Circuits * Compression fittings * Conditions * Connections * Construction requirements * Control systems * Controllers * Correcting units * Corrosion * Definitions * Density * Dimensions * Elastomers * Electrical equipment * Enclosures * Explosion hazard * Fire risks * Flows * Gas appliances * Gas flow * Gas-powered devices * Impermeability * Impregnation * Leak rate * Marking * Materials * Mechanics * Moisture resistance * Moisture test * Nominal widths * Opening pressure * Openings * Operating instructions * Product specification * Protection * Ratings * Safety * Safety components * Safety devices * Safety engineering * Safety requirements * Sealing * Set value * Specification (approval) * Temperature * Temperature controllers * Test apparatus * Testing * Testing conditions * Thermal stress * Thermostats * Threads * Tightness * Transportable * Warning notices * Working data * Zinc alloys * Design * Storage * Freedom from holes * Lines * Ports (openings) * Requirements * Testing devices