Valve repair _ testing standard reference valve industry standards

Valve testing standards

Jiangyin Oulei Si process in the valve repair, valve repair testing standard reference basic reference on the following criteria

No. Standard Number Standard Name instead of the standard

1 JB/T74-1994 pipeline valve flange and technical conditions

2 JB/T7928-1999 General Valve supplier requirements

3 JB/T8530-1997 the compilation method of valve electric device model

4 JB/T2203-1999 spring type safety valve structure, the length of

5 JB/T2205-2000 valve structure, the length of

6 JB/T5300-1991 General Valve Material

7 JB/T6438-1992 valve sealing surface of plasma arc welding and technical conditions

8 JB/T7248-1994 valve technical conditions of low-temperature steel castings

9 JB/T7744-1995 sealing surface of plasma arc surfacing alloy powder

10 JB/T1308-1999 PN250MPa ultrahigh-pressure valves and pipe fittings technical conditions

11 JB/T450-1992 PN16.0 ~ 32.0MPa forged angle high-pressure valves, pipe fittings, fasteners and technological conditions

12 JB/T2766-1992 PN16.0 ~ 32.0MPa forging the length of high-pressure valve structure

13 JB/T2768-1992 PN16.0 ~ 32.0MPa pipes, pipe fittings, valves, make-inch end

14 JB/T2769-1992 PN16.0 ~ 32.0MPa threaded flange

15 JB/T2770-1992 PN16.0 ~ 32.0MPa connector nut

16 JB/T2771-1992 PN16.0 ~ 32.0MPa connector

17 JB/T2772-1992 PN16.0 ~ 32.0MPa Blind

18 JB/T2773-1992 PN16.0 ~ 32.0MPa Double Stud

19 JB/T2774-1992 PN16.0 ~ 32.0MPa-order-side double-headed stud and screw sizes

20 JB/T2775-1992 PN16.0 ~ 32.0MPa nut

21 JB/T2776-1992PN16.0 ~ 32.0MPa lens pad

22 JB/T2777-1992 PN16.0 ~ 32.0MPa non-porous lens pad

23 JB/T2778-1992 PN16.0 ~ 32.0MPa pipe fitting and fixing the temperature marking

24 JB/T5298-1991 Pipeline steel plate gate valve

25 JB/T5299-1998 hydraulic control non-return valve

26 JB/T6441-1992 compressor valves

27 JB/T-1993 sewage valve

28 JB/T6901-1993 glasses valve closed

29 JB/T7245-1994 refrigeration devices cut-off valve

30 JB/T7376-1994 pneumatic air valve and technical conditions

31 JB/T7550-1994 air separation equipment with switching valve

32 JB/T7745-1995 pipeline valve

33 JB/T7746-1995 necking Forged Steel Valves

34 JB/T7747-1995 needle valve

35 JB/T7749-1995 technical conditions for low-temperature valve

36 JB/T8527-1997 metal seal butterfly valve

37 JB/T8528-1997 common type valve electric device technical conditions for

38 JB/T8529-1997 explosion-proof electrical equipment and technical conditions valve

39 JB/T1831-1997 valve manual installation and technical conditions

40 JB/T8691-1998 pairs of clip-on knife-shaped gate valve

41 JB/T8692-1998 flue Butterfly

42 JB/T8937-1999 pairs of clip-on valve

43 JB/T9093-1999 Steam Traps and technical conditions

44 JB/T9094-1999 liquefied petroleum gas equipment and technical conditions with an emergency shut-off valve

45 JB/T5298-1991 Universal valve flow coefficient and flow resistance coefficient of the test method

46 JB/T6439-1992 Valve Castings Magnetic Particle Inspection Test pressure

47 JB/T6440-1992 Radiographic Examination of the valve under pressure casting

Indeed, resistance test valve 48 JB/T6899-1993

49 JB/T6902-1993 Valve Casting liquid penetrant inspection methods

50 JB/T6903-1993 Valves Forged pieces of ultrasonic inspection methods

51 JB/T6904-1993 cylinder valve inspection and test

52 JB/T7748-1995 valve cleanliness and determination method

53JB/T7927-1999 appearance quality of cast steel valve requirements

54 JB/T9092-1999 valve inspection and testing

55 JB/T8862-2000 valve electric device life test procedures

56 JB/T53036-1999 Check product quality grading

57 JB/T53072-1999 closed glasses valve product quality grading

58 JB/T53162-1999 valve product quality grading

59 JB/T53165-1999 high-pressure balance valve product quality grading

60 JB/T53166-1999 Diaphragm Valve Product Quality Grading

61 JB/T52167-1999 ball valve product quality grading

62 JB/T53168-1999 multi-turn valve electric device product quality, grading

63 JB/T53170-1999 spring load safety valve directly to product quality and grading

64 JB/T53171-1999 butterfly valve product quality grading

65 JB/T53172-1999 liquefied petroleum gas valve product quality grading

66 JB/T53173-1999 valve carbon steel castings product quality grading

67 JB/T53174-1999 Globe Valve Product Quality Grading

68 JB/T53177-1999 acetylene cylinder valve product quality grading

69 JB/T53183-1999 valve with gray iron casting products quality grading

70 JB/T53200-1999 pairs of clip-on knife-shaped gate valve product quality grading

71 JB/T53217-1999 oxygen cylinder valve product quality grading

72 JB/T53242-1999 Pipeline steel plate gate valve product quality grading

73 JB/T53243-1999 Universal Valve Ductile Iron Castings Product Quality Grading

74 JB/T53265-1999 Pilot-valve product quality grading

These are the national standards on a number of valves, valve repair Oulei Si test closely follows the above standards, national standard valve repair, maintenance of high-pressure valves, pneumatic valve repair, power station valve repair, electric valve repair; and Valve maintenance of equipment in the design process also made reference to the valve above the industry standard, and only the exception of imports of valve repair, its valve repair over valve testing standards without reference to industry standards