Detail of QJ 3305-2008

Introduction of QJ 3305-2008

General requirement for manufacture of missile (launch vehicle) valve 1 Scope This standard specifies the general requirements for manufacture of missile (launch vehicle) valves. This standard is applicable to the design, manufacture, acceptance inspection, packaging, storage, preservation and use of missile (launch vehicle) valves. It may also serve as a reference for the valves of missile (launch vehicle) ground equipment. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 2 Fasteners - Ends of parts with external thread GB/T 3 Run-outs, undercuts and chamfers for general purpose metric screw threads GB/T 192 General purpose metric screw threads - Basic profile GB/T 193 General purpose metric screw threads - General plan GB/T 196 General purpose metric screw threads - Basic dimensions GB/T 197 General purpose metric screw threads - Tolerances GB/T 394.1 Ethanol for industrial use GB/T 678 Chemical reagent - Ethanol GB/T 1184 Geometrical tolerancing - Geometrical tolerances for features without individual tolerance indications GB/T 1800.4 Limits and fits - Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1804 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications GB/T 3830 Calendered film and sheet from flexible polyvinyl chloride GB/T 4240 Stainless steel wires GB/T 6403.5 Relief grooves for grinding wheels GB/T 8979 Pure nitrogen GB/T 13277 Compressed air for general use - Quality classes GB/T 14691 Technical drawings - Lettering GB 17323 Bottled purified water for drinking GJB 480A-1995 Quality control requirement for process of metallic and chemical coatings GJB 481 Welding quality control requirements GJB 509A-1995 Quality control requirement for heat treatment process GJB 939 Quality management for purchased equipments and materials GJB 1914 General specification for military metal bellows GJB 3403 Specification for gaseous nitrogen and liquid nitrogen GJB 4014 Gaseous helium safe application rules QJ 262A General technical requirements for sheet-metal pressing part QJ 452 Technical conditions for zinc plating QJ 453 Technical conditions for cadmium plating QJ 454 Technical conditions for copper plating QJ 455 Technical conditions for nickel plating QJ 456 Technical conditions for hard chrome plating QJ 463 Technical conditions for nickel plating for brazing stainless steel QJ 466 Technical conditions for electrochemical polishing of stainless steel QJ 467 Technical conditions for pickling and chemical passivation of stainless steel QJ 469 Technical conditions for sulfuric acid anodized film on aluminum and aluminum alloy QJ 470 Technical conditions for hard anodized film on aluminum and aluminum alloy QJ 471 Technical conditions for porcelain anodized film on aluminum and aluminum alloy QJ 472 Technical conditions for insulation anodized film on aluminum and aluminum alloy QJ 473 Technical conditions for chromic acid anodized film on aluminum and aluminum alloy QJ 503 Mechanical allowance and dimensional tolerance for on-hammer forgings QJ 834 Safety holes QJ 837 Anti-loosening connection method of bolt and screw QJ 977B Rule for re-inspection of non-metallic materials QJ 1181.1A-1995 Heat treatment of soft magnetic alloy - Heat treatment of iron-nickel soft magnetic alloy QJ 1181.2A-1995 Heat treatment of soft magnetic alloy - Heat treatment of soft magnetic alloy with high-saturation magnetic induction intensity QJ 1181.5A-1995 Heat treatment of soft magnetic alloy - Heat treatment of corrosion-resistant soft magnetic alloy QJ 1386 Rule for re-inspection of metallic materials QJ 1787-1989 Technical specifications for cylindrical helical spring QJ 1993A-2001 Heat treatment of titanium and titanium alloys QJ 2214-1991 Cleanliness level and evaluation in clean room (zone) QJ 2714 Heat treatment of stainless steel QJ 2850 Prevention and control for foreign object debris (FOD) of space products QJ 2851 Heat treatment of electromagnetic pure iron QJ 2963.2 Special spring washer - Standard stainless steel spring washer QJ 2963.3 Special spring washer - Light stainless steel spring washer QJ 3065.4 Management requirements for component screening and re-inspection QJ 3089 Positive pressure leaks detection method by helium mass spectrometer QJ 3105 Management regulations on out-of-tolerance, material substitution and question list QJ/Z 127 Heat treatment of wrought aluminum alloy FZ 66201 Silk for special industry FZ 66316 Cotton thread for special industry HG 6-484 Special rubber parts SH/T 0114 Aero-washing gasoline SJ/T 10946 Liquid flux for soldering (rosin base) ZBG 51034 Alkyd varnish 3 Requirements 3.1 Materials and purchased devices 3.1.1 The mechanical properties, physical properties, electromagnetic properties, service temperature range, and compatibility with working medium of the metal materials, as well as the service temperature range, compatibility with working medium and total life cycle of non-metal materials for missile (launch vehicle) valves shall meet the performance and service requirements for valves. 3.1.2 The materials, semi-finished products and purchased parts shall be provided by the suppliers passing the quality certification of military products. The supplier providing materials, semi-finished products and purchased parts shall issue certificates or quality certificates which are consistent with the designation, state, furnace (batch) number, technical conditions, manufacturer and production date indicated on the materials, semi-finished products and purchased parts.

Contents of QJ 3305-2008

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Inspection