Standard No. Standard Chinese Name Standard English name SY / T0525.1-93 Oil tank hydraulic safety valve SY / T10006-2000 Sea wellhead surface safety valve and underwater safety valve SY / T10024-1998 Downhole safety valve system design, installation , Recommended Practice for Repair and Operation GB / T Safety Valves for Marine Air Bottles JB / T 6441-1992 (Reapproved 2005) Safety Valves for Compressors JB / T2203-1999 Spring-loaded safety valve Construction Length JB / T9624-1999 power station safety valve technical conditions JB / T53170-1999 spring direct load safety valve product quality rating NF E86-512-1-2002 Condensers - Overpressure safety equipment - Part 1: Condensate equipment safety valve Gas welding equipment - "Nonreturn - off" hydraulic pressure relief valves and assemblies for acetylene generators - Specification. And tests (GAS WELDING EQUIPMENT. HYDRAULIC SAFETY SEALS AND COMBINED "NON-RETURN VALVE / FLAME ARRESTOR" DEVICES FOR ACETYLENE GENERATORS. REQUIREMENTS AND TEST Water piping and auxiliary installations - Part 10: requirements for safeguards against excessive pressure.) NF D32 Building valves - Combined pressure and temperature relief valves - Tests and requirements. Petroleum and natural gas industries - Descending - hole equipment - Underground safety NF T81-103-1980 Transport and handling of liquefied chemical products - Bottom injected or discharged tanker - Internal shut-off valves and safety valves - Use pressure equal to Or less than 4 bar (TRANSPORTATION AND HANDLING OF LIQUID CHEMICAL PRODUCTS. TANKER VEHICLES FILLED AND EMPTIED FROM BELOW. INTERNAL SAFETY AND STOP VALVE. OPERATING PRESSURE EQUAL TO OR LESS THAN 4 BAR.) NF E29-420-1985 Industrial Valves. Technical specifications and coordination certificate (INDUSTRIAL VALVES. SAFETY AND RELIEF VALVES. MODEL OF TECHNICAL SPECIFICATIONS AND CONFORMITY CERTIFICATE.) NF P52-001-1975 SAFETY VALVES FOR HEATING INSTALLATIONS. NF E29-413-1989 Industrial valves - Flow calculation of safety valves - Other methods Industrial Valves - Safety Valves - Safety Valves Types S, G1, L1 and L2 Examples of Calculation of Flow Rates (INDUSTRIAL VALVES.) VALVES AND BURSTING DISC (S) DEVICES. CALCULATION OF THEORETICAL FLOWRATE.) NF E29-414-1992 Industrial Valves. SAFETY VALVES. EXAMPLES FOR FLOWRATE CALCULATION OF SAFETY VALVES TYPES S, G1, L1 AND L2.) NF E29-415-1990 Industrial Valves .Gas Safety Valves .G Squared Type Safety Valve Exhaust Air Equivalent Flow Calculation Example .GPL standard reservoir INDUSTRIAL VALVES. SAFETY VALVES. CALCULATION OF AIR EQUIVALENT FLOW CAPACITY FOR SAFETY VALVES OF TYPE G2. APPLICATION FOR STANDARD VESSELS FOR GPL.) NF E29-421-1987 Industrial Valves. Safety Valves. Safety Membranes. Installation for Operational Characteristics Building valves - Pressure relief valves - Tests - Industrial valves - Safety valves. Bursting discs. Standard for Safety for Safety Relief Valves for Anhydrous Ammonia and LP-Gas ANSI / UL 132-2002, Standard for Safety for Safety Relief Valves for Anhydrous Ammonia and LP-Gas, Relief valves and automatic gas shutoff devices for hot water supply systems; Addenda ANSI Z21.22-1986 Safety of hot water supply systems ANSI Z21.22a Addenda - 1990 Safety valves and gas automatic shut - off systems for hot water supply systems. Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI / API 527-1991 Seat Tightness of Safety Relief Valves Standard Number Standard Chinese Name Standard English Name SY /T0525.1-93 Oil tank hydraulic safety valve SY / T10006-2000 Sea wellhead surface safety valve and underwater safety valve SY / T10024-1998 Safety valve system design, installation, repair and operation recommended GB / T14087-1993 Marine air cylinder safety valve for marine air vessel JB / T6441-1992 (2005 review) pressure Machine Safety Valves JB / T2203-1999 Length of Spring-loaded Safety Valve JB / T9624-1999 Power Station Safety Valve Technical Conditions JB / T53170-1999 Spring-loaded Direct Safety Valve Product Quality NF E86-512-1-2002 Condensation Container Safety equipment against overpressure - Part 1: Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: safety valves for cryogenic service. NF A84-330-1982 Gas welding equipment - "HYDRAULIC SAFETY SEALS AND COMBINED" NON-RETURN VALVE / FLAME ARRESTOR "DEVICES FOR ACETYLENE GENERATORS. REQUIREMENTS AND TESTS.) NF E32 Water-tube boilers and auxiliary installations - Part 10: requirements for safeguards against excessive pressure.) NF D36-404-2000 Construction of water heaters and auxiliary equipment - Part 10: Valves - Combination of pressure and temperature relief valves - Tests and requirements (Building valves - Combined temperature and pressure relief valves Petroleum and natural gas industries - Downhole equipment - Subsurface safety valve equipment.) NF T Liquid body chemistry TRANSPORTATION AND HANDLING OF LIQUID CHEMICAL PRODUCTS. TANKER VEHICLES FILLED AND EMPTIED FROM BELOW. INTERNAL SAFETY AND STOP VALVE. TRANSPORTATION AND HANDLING OF LIQUID CHEMICAL PRODUCTS. OPERATING PRESSURE EQUAL TO OR LESS THAN 4 BAR.) NF E29-420-1985 Industrial Valves. Safety Valves. TECHNICAL VALVES. SAFETY AND RELIEF VALVES. MODEL OF TECHNICAL SPECIFICATIONS AND CONFORMITY CERTIFICATE.) NF P52 Industrial valves - Flow rate calculation of safety valves - Other methods (INDUSTRIAL VALVE. SAFETY VALVES AND BURSTING DISC (S) DEVICES CALCULATION OF THEORETICAL FLOWRATE.) NF E29-414 SAFETY VALVES. EXAMPLES FOR FLOWRATE CALCULATION OF SAFETY VALVES TYPES S, G1, L1 AND L2.) NF E29-415 (INDUSTRIAL VALVES. SAFETY VALVES. Industrial Valves. SAFETY VALVES. CALCULATION OF AIR EQUIVALENT FLOW CAPACITY FOR SAFETY VALVES OF TYPE G2. APPLICATION FOR STANDARD VESSELS FOR GPL.) NF E29-421-1987 Industrial valves - Safety valves - Safety membranes - Installation instructions for working characteristics (Industrial valves. Safety valves - Bursting discs.) NF D36-403-2000 Building valves - Pressure relief valves Standard for Safety for Safety Relief Valves for Anhydrous Ammonia and LP (Tests and Requirements.) ANSI / UL 132-2002 Safety Standard for Safety Ammonia and LPG -Gas) ANSI Z21.22a Addenda-1990 Safety valves and gas automatic shut-off systems for hot water supply systems. Relief valves and auto Relief valves and automatic gas shutoff devices for hot water supply systems. ANSI / API 527-1991 ANSI Z21.22-1986. Safety valves and automatic gas shutoff devices for hot water supply systems. Seat Tightness of Safety Relief Valves

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