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product detail
  • Product Name： John Crane Type 502
  • Model No： John Crane Type 502
  • OR
Description:

Materials:
Rotary Ring: Carbon/SiC/TC
Stationary Ring: Ceramic/SiC/TC
Secondary Seals: NBR/FPM/EPDM
Spring & Other Parts: SS304/SS316

Applications:
Shaft Size =14 ～100mm
Pressure: 4.0 Mpa
Temperature: -40 ～ 150℃
Speeds: 13 m/s
Used in different pumps,compressors,auto-cooling machine,mixers and other rotating equipments which apply to oil,water and weak corrosive solutions.
Equivalent to John Crane type 502

Features:
·Simple structure,better integration and compact construction,reliable seal and long operation cycles.
·Suitable for many specifications and designs which conform to GB6556,ISO3069 and DIN24960.

 d D D1 L L1
14 24 25 23 12
16 26 27 23 12
18 32 33 24 13.5
20 34 35 24 13.5
22 36 37 24 13.5
24 38 39 26.7 13.5
25 39 40 27 13
28 42 43 30 12.5
30 44 45 30.5 12
33 46 48 30.5 12
35 47 48 30.5 12
38 49 50 30.5 12
40 54 56 32 13
43 56 58 32 13
45 59 61 32 13
48 61 63 32 13
50 64 66 32 13
53 66 70 34 13.5
55 69 73 34 13.5
58 71 75 34 13.5
60 78 78 39 13.5
63 80 80 39 13.5
65 83 83 39 13.5
68 85 85 39 13.5
70 88 90 39 13.5
75 95 92 45.5 14.5
80 104 97 45.5 14.5
85 109 110 45 15
90 110 115 45 15
95 119 120 50 15
100 124 125 50 15
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