Gold Member Since 2014
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Saisi Mechanical Seal Co., Ltd.

Mechanical Seal, John Crane Type 57b, John Crane 57b manufacturer / supplier in China, offering Mechanical Seal John Crane Type 57B, Mechanical Seal Burgmann Type LP-D, Burgmann LY9DSTT Replacement (cartridge seal, metal bellow seal, mechanical seal) and so on.

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Supplier Homepage Product Component seals Mechanical Seal John Crane Type 57B

Mechanical Seal John Crane Type 57B

Purchase Qty.:
(Pieces)
1-19 20+
FOB Unit Price: US $12 US $5
Purchase Qty. (Pieces) FOB Unit Price
1-19 US $12
20+ US $5
Get Latest Price
Port: Shanghai, China
Production Capacity: 50, 000sets/Year
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: SS57B
  • Trademark: Saisi Seal
  • Specification: CE; RoHS
  • Standard: Standard, Nonstandard
  • Transport Package: Wooden Box or Carton Box Upon The Order
  • Origin: China
Product Description
Structure Description:
Equivalent to Johncrane 57B
Multiple spring design, balanced seal
Operating Limits:
Temperature: -20---180º C
Speed: 15m/s
Pressure: 25bar
Standard Size: 14-100mm
Material:
Seal ring: Car, Sic, Ssic, Ceramic, TC
Secondary seal: NBR, Viton, EPDM etc.
Spring and metal parts: 304, 316, HAST. C

SS58B are hydraulically balanced, multi-spring DIN 24960/EN 12756 seals. They are versatile designs using components common to other o-ring and wedge type seals. They allow easy repair, reduce inventory, and permit a simple conversion to unbalanced or wedge seals.



For use in general and high pressure sealing duties, including chemical processing, refinery and petrochemical plants.
Complies with International Standard ISO 3069, European Standards EN 12756, DIN 24960, and BS
5257: 1975. Also comply with API 610 specifications.
SS57B
Size/Metticd1dD3D6D7L3L4L8L65
14141832212530.512.018.56.0
16162034232730.512.018.56.0
18182236233331.513.520.56.5
20202438293531.513.520.56.5
22222640313731.513.520.56.5
24242842333934.213.320.36.7
25253044344034.513.020.07.0
28283347374337.512.519.57.5
30303549394538.012.019.08.0
32323854424838.012.019.08.0
33333854424838.012.019.08.0
35354056445038.012.019.08.0
38384359495639.513.020.010.0
40404561515839.513.020.010.0
43434864546139.513.020.010.0
45455066566339.513.020.010.0
48485369596639.513.020.010.0
50505571627044.013.520.511.5
53535878657344.013.520.511.5
55556080677544.013.520.511.5
58586383707849.013.520.511.5
60606585728049.013.520.511.5
63636888758349.013.520.511.5
65657090778549.013.520.511.5
70707595839255.014.521.513.5
757580104889755.014.521.513.5
8080851099510555.015.022.013.0
85859011410011060.015.022.013.0
90909511910511560.015.022.013.0
959510012411012060.015.022.013.0
10010010512911512560.015.022.013.0
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