Send Message
Contact Us

Contact Person : Davis

WhatsApp : +8618130083767

Free call

O Ring 491 Chesterton Balanced Mechanical Seal Multi Spring Mechanical Seal

Minimum Order Quantity : 100PC Price : Negotiated
Packaging Details : box as requirement Delivery Time : 10DAYS
Payment Terms : T/T, Western Union, L/C Supply Ability : 10000000PC/Month
Place of Origin: MADE IN CHINA Brand Name: JR
Certification: ISO9001 Model Number: 491

Detail Information

Material: SIC SIC FKM Cer Car Nbr Function: For Oil Pump, Water Pump
Transport Package: Box HS Code: 848420090
Specification: Multi Spring Mechanical Seals Certificate: ISO9001
Type: Mechanical Seal 491 Standard Or Nonstand: Standard
Style: 491 Chesterton Mechanical Seal Size: 18-100MM
High Light:

491 Chesterton Multi Spring Mechanical Seal


491 Chesterton Balanced Mechanical Seal


ISO9001 Balanced Mechanical Seal

Product Description

Multi Spring Mechanical Seals Rotary Seal 491 Chesterton Mechanical Seal Balanced O Ring Seal For Water Pumps
Operations Conditions:

  1. Multiple spring seal.
  2. Chesterton 491 mechanical seals
  3. Fits extra small seal chambers
  4. Designed to qutlast single spring seals.
  5. Temperature: -20C to 180C
  6. Pressure: to 1MPA
  7. Speed to 10m/s
  8. Rotationarl speed to 3600RPM


  • Stationary Ring:Silicon Carbide Reaction Bonded
  • Rotary Ring:,Silicon Carbide Reaction Bonded
  • Secondary Seal:Fluorocarbon Rubber(FKM)
  • Spring and Metal Parts:Stainless Steel
  • Seat Types:
  • Seat Types:Standard: 24 DINL
  • Applications: Clean water, sewage water, oland other moderately corrosive fluids

Performance Capabilities:

-20℃ to 180℃, dependent on the elastomer
Up to 1MPA
Up to 10 m/s
End play/axial float allowance
Carbon, SiC, TC
Ceramic, SiC, TC
SS304, SS316
Metal parts
SS304, SS316
Packing Individual packing ,1 pc in 1 small box is available as well


491 can replace CHESTERTON 491,which is widely used for industrial pumps. The normal material combination include resin carbon/SIC/NBR/ss304,sic/sic/NBR/ss304 and so on. we also can make changes as customers'requirement or totally design a new type of mechanical seal to meet clients'needs.

O Ring 491 Chesterton Balanced Mechanical Seal Multi Spring Mechanical Seal 0

O Ring 491 Chesterton Balanced Mechanical Seal Multi Spring Mechanical Seal 1O Ring 491 Chesterton Balanced Mechanical Seal Multi Spring Mechanical Seal 2O Ring 491 Chesterton Balanced Mechanical Seal Multi Spring Mechanical Seal 3

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



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

You Might Be Into These
Get in touch with us

Enter Your Message