Vacuum valves. Types. Main characteristics
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Pipeline valves with electromagnetic drives. Main parameters
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Explosionproof electrical apparatus. Part 0. General requirements
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Electrical apparatus for explosive gas atmospheres. Part 11. Intrinsic safety i
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Electrical apparatus for explosive gas atmospheres. Part 15. Type of protection n
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Explosionproof electrical apparatus. Part 18. Type of protection (m)
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Electrical apparatus for explosive gas atmospheres. Part 20. Data for flammable gases and vapours, relating to the use of electrical apparatus
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Mininq electrical equipment. Insulation, leakage paths and electrical gaps. Technical requirements and test methods
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Electrical apparatus for explosive gas atmospheres. Part 1. Construction and verification test of flameproof enclosures of electrical apparatus. First supplement. Appendix D. Method of test for ascertainment of maximum experimental safe gap
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Explosionproof electrical equipment. Part 2. Filling or purging of the pressurized enclosure «p»
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Electrical apparatus for explosive gas atmospheres. Part 3. Spark-test apparatus for intrinsically-safe circuits
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Explosionprotected electrical apparatus. Part 4. Method of test for ignition temperature
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