Payment & Shipping Terms | Supply Capacity |
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Trade Term: | FOB,CFR,DAT,FAS,DAP,CIP | Production Capacity: | 80 Sets/Month |
Payment Terms: | Paypal, L/C, T/T, WU, Money Gram | Packing: | Carton |
Min. Order: | 3 Set/Sets | Delivery Date: | 25days |
Means of Transport: | Ocean, Air, Land | | |
John cane WB2 PTFE wedge seal
Replacement of John Crane WB2, PTFE bellows design, outside mounted, used in strong corrosive chemical occasions.
Decriptions:
The series of tetrafluoroethylene bellows, multi-spring structure, WB2 type of spring is protected
by the PTFE cover. Mechanical seal of this type is the most widely used corrosion resistant
pumps in one.
PTFE bellows mechanical shaft seals are suitable for corrosive and aggressive media,
which are outside mounted with no metal parts in contact with the medium. Stationary
seat is Clamp or L-Shape.
1. Common Combined Materials:
Stationary ring: SiC or Ceramic
Rotary ring: Sic or PTFE/Fiberglas(Carbon-graphite)
Secondary seal: PTFE
Others: SS304 or SS316
2. Operating conditions:
Temperature: ≤120°C
Pressure: ≤0.5MPa
Speed: ≤10m/s


Metric Size | D3 | D2 | D1 | L2 | L1 | L11 |
25 | 60 | 60 | 47 | 27 | 42 | 45 |
30 | 67 | 67 | 53 | 27 | 42 | 45 |
32 | 69 | 64 | 50.7 | 27 | 42 | 45 |
35 | 72 | 70 | 57 | 27 | 42 | 45 |
40 | 78 | 76 | 62 | 26 | 42 | 45 |
45 | 84 | 82 | 67 | 27 | 44 | 46 |
50 | 88 | 86 | 72 | 27 | 46 | 46 |
55 | 95 | 90 | 77 | 27 | 46 | 46 |
60 | 100 | 95 | 82 | 27 | 46 | 46 |
65 | 105 | 100 | 87 | 27 | 46 | 46 |

Category: PTFE Mechanical Seals
Related Category: O-Ring Mechanical Seal
Elastomer Bellow Seals