- Unimech Shanghai Co. Ltd.
- Unit 301, Block 3, No.1 Kangshi Road, Pudong, Shanghai, China
- Tel: +86 21 61181608
- Email: email@example.com
Industry StandardIndustry Standard
API Standards - American Petroleum Institute
Valve Inspection and Testing
Steel Gate Valves-Flanged and Butt-Welding Ends, Bolted and Pressure Seal Bonnets.
Pipeline Valves (Gate, Plug, Ball and Check Valves.)
Asme Standards - asme International (American Society Of Mechanical Engineers)
Cast lron Pipe Flanges and Flanged Fittings
Pipeline Flanges and Fanged Fittings.
Valve Dimensions, Face to Face and End to End.
Valves-Flanged, Threaded and Welding Fnd.
MSS Standards - Manufacturers Standardization
Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings.
Spot Facing for Bronze, lron and Steel Flanges
Standard Marking System for Valves, Fittings, Flanges and Unions
Steel Pipe Line Flanges
Bypass and Drain Connections
Quality Standard for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components-Magnetic Particle Examination Method.
Quality Standard for Steel Castings for Valves, Flanges, and Fittings and Other Piping Components-Radiographic Examination Method.
Quality Standard for Steel Castings for Valves, Flanges and Fittings and Other Piping Components-Visual Method for Eval of Surface lrregularities.
(R 92)Quality Standards for Steel Castings and Forgings for Valves, Flanges and Fittings and Other Piping Components-Liquid Penetrant Examinations Method.
Pressure Testing of Steel Valves
(R 96)Guidelines for Manual Operation of Valves
(R 92)MSS Valves User Guide
Astm Standards - American Society For Testing And Materials
ASTM A 193
Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service.
ASTM A 194
Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure and High-Temperature Service.
ASTM A 216
Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service.
ASTM A 217
Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service.
ASTM A 276
Standard Specification for Stainless and Heat-Resisting Steel Bars and Shapes.
ASTM A 351
Standard Specification for Castings, Austenitic, Austenitic-Ferritic(Duples), for Pressure-Containing Parts.
ASTM A 352
Standard Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low Temperature Service.
ASTM A 515
Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate-and Higher-lemperature Service.
ASTM A 516
Standard Specification for Pressure Vessel Plates, Carbon Steel for Moderate-and Lower-Temperature Service.
Nace Standards - Nace (National Association Of Corrosion Engineers)
Standard Material Requirements Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment.
Fuel Gas Piping.
Boiler And Pressure Vessel Code:
Parte A - Ferrous Material Specifications.
Parte B - Non Ferrous Material Specifications
Parte C - Specifications for Welding Rods, Electrodes and Filler Metals Specifications
Rules for Construction of Pressure Vessels, Divisions 1 and 2.
Welding and Brazing Qualifications.
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