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25mm PTFE Bellow Seals

Product Details:
Place of Origin: MADE IN CHINA
Brand Name: JR
Certification: iso9001
Model Number: WB3
Payment & Shipping Terms:
Minimum Order Quantity: 10PC
Price: Negotiated
Packaging Details: box as requirement
Delivery Time: 20-30DAYS
Payment Terms: T/T, Western Union, L/C
Supply Ability: 10000PC/Month

Detail Information

Material: SIC SIC PTFE Function: For Oil Pump, Water Pump
Transport Package: Box HS Code: 848420090
Certificate: ISO9001 Type: PTFE Bellows Shaft Mechanical Seal
Standard Or Nonstand: Standard Specification: Wb3 Mechanical Seal
Size: Inch As Drawing Product Name: Metal Bellow Mechanical Seal Wb3
High Light:

25mm PTFE Bellow Seals


Chemical Pump PTFE Bellow Seals


25mm Bellows Shaft Seal

Product Description

John Crane WB3 25mm Bellows PTFE Mechanical Seal Mechanical Seals For Chemical Pump
Operations Conditions:
  1. WB3 series adppts perfluoroethylene bellows.It is designed with multi-spring structure.The spring of WB2 type is protected threugh a perfluoroethylene cover.This mechanical seal is one of the most commonly used seals for corrosion resistant pumps.

    Single seal
    Independent of direction of rotation

    Tetrafluoroethylene bellows

  2. Temperature:-20ºC to +200ºC
  3. Pressure:≤2.1MPa
  4. Speed:≤23m/s


  • Stationary Ring:Silicon Carbide Reaction Bonded,
  • Rotary Ring:Silicon Carbide Reaction Bonded
  • Secondary Seal:
  • Spring and Metal Parts:Stainless Steel,Stainless Steel
  • Applications:Sulfuric acid,hydrocarbon acid,phosphoric acid,acetic acid,and nitric acid With various degrees,etc.
  • Seat Types:
  • Applications:Clean Water

Performance Capabilities:


Up to 0.5 Mpa
Up to 10 m/s
End play/axial float allowance
SS304, SS316
Metal parts
SS304, SS316
Idividual Packing
Using foam and plastic paper wrapped, then put one piece of seal in one box,finally put in standard export carton.

PTFE Bellows Shaft Mechanical Seals For Chemical Pumps sealing WB   25mm PTFE Bellow Seals 0

  • 25mm PTFE Bellow Seals 1

25mm PTFE Bellow Seals 2           

We are engaged in manufacture and installation exporting and wholesaling quality range of Industrial Seal, Single Spring Seal, Balance and Unbalance Spring Seal, External Mounted Seal, PTFE Bellow External Mounted Seal, Catridge Balance Seal, Multiple Spring Balance Seal, Dry Running Reverse Balance Seal, Agitator Double Acting Unbalance Seal, Single Conical Helical Spring, Rubber Bellow Seal, Multi Spring Seal, Metal Bellow Seal, Elastomer Bellow Seal, Conical Spring Seal, Air Condition Compressor Seal, Auto Cooling Seal, Metallic Bellow Seal,

All ranges of mechanical seals for Flygt Pumps, Grundfos Pumps, Pumps, APV Pumps, Grindes Pumps, Fristam, ABS, Alleeiler, EMU, GEA

Tunchenhagen, Godwin, Hidrostal, Hilge, Johnson, Lowara, Waukesha, Vogelsang Pumps etc.


At the meantime, we could manufacture seals according to your sample or drawing, and design as your request,Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.



Question 1: Are you a factory or a trade company?
Answer: We are a factory and have our top sales for the trade service.


Question 2: Can I try to get a SAMPLE before the order?
Answer: Sure. You can ask for the samples. Usually they're free.


Question 3: Where is your factory located? How can I visit there?
Answer: Our factory is located in Ningbo, China. You can fly to Ningbo or Shanghai airport directly. All our clients, from home or abroad, are warmly welcome to visit us!


Question 4: How does your factory do regarding quality control?
Answer: Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001 authentication.


Question 5: How about the lead time?
Answer: Within10-20 days after getting the prepayment.


Question 6: How can we pay?
Answer: For small sample shipping cost, you can pay either by paypal or by T/T. And by T/T at sight for large amount of the order.


Question 7: If OEM available?
Answer: Yes, we provide all of our products OEM /ODM service.


Question 8: If I can buy pumps or pump parts from your company?
Answer: Yes , we also provide pumps and pump parts, such as Lobe pumps, Compound & homogeneous pumps, Homogeneous & emulsification pumps and so on

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