Guangzhou Opal Machinery Parts Operation Department

45*51*1.25 46*52*1.25 BRT Hydraulic Piston Seal Rings 50mm Thickness

Product Details:
Place of Origin: China
Brand Name: OUB
Certification: ISO9001
Model Number: Back-Up Ring
Payment & Shipping Terms:
Minimum Order Quantity: 100 Pcs/Accept trial order
Price: Negotiable
Packaging Details: PP Bag Inside.outer is carton with film wrapped.
Delivery Time: Within 5-15 days after getting your desposit
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000PCS
  • Detail Information
  • Product Description

Detail Information

Product Name: Hydraulic Back Up Ring Size: 45*51*1.25 46*52*1.25 43*49*1.25
Thickness: 0.3~50mm Pressure: 0-40Mpa
Temperature: -40~+220℃ Speed: ≤2 M/s
High Light:

50mm Thickness Piston Seal Rings


BRT Hydraulic Piston Seal Rings

Product Description

45*51*1.25 46*52*1.25 Virgin PTFE Back-Up Ring BRT Hydraulic Piston Seal Rings 43*49*1.25 44*50*1.25


Product Name:Hydraulic Back Up Ring
Size:43*49*1.25 44*50*1.25

MOQ:50 pcs
Packing :PP bag, Carton, Wooden Case, or as Required
Delivery Time:With 5-15 days
Shipping Method:By Express /Air /Sea etc.


1. Normal use for high pressure valve seat.
2. Excellent sealing effect.
3. Strong pressure resistance.
4. high requirement for groove clearance.


More Size.

44*50*1.25 50*56*1.25 34*40*1.25
45*51*1.25 140*145*1.25 35*41*1.25
46*52*1.25 145*150*1.25 35.5*41.5*1.25
47*53*1.25 150*155*1.25 36*42*1.25

Physical shooting:

45*51*1.25 46*52*1.25 BRT Hydraulic Piston Seal Rings 50mm Thickness 045*51*1.25 46*52*1.25 BRT Hydraulic Piston Seal Rings 50mm Thickness 1

Back-up ring as their name indicates,they are protective and supporting elements made from extrusion-resistant materials whichgenerally have a rectangular cross section.They are installed in a groove together with anelastomeric sealing element preferably with a corresponding O-ring in static applications.


Q1: To which places have you exported?
A: North America, Europe, Middle East, Africa, Southeast Asia and so on.

Q2: How to ship the products?

A: For the shipment, we support the DHL Fedex EMS UPS or by Air/ Sea., if you have the agent in china, we can contact your agent according to your request.

Q3: Are you trading company or manufacturer?
A:We are trading company and we also have our own factory to produce seals.With more than 20 years of PU manufacturing experience.

Q4: What are your payment terms ?
A: 30% T/T in advance, balance before shipment.

Q5:What’s your main products?

A:Our main products: All kind of oil seal and seal kit for excavator, bulldozer, loader, breaker hammer, crane and so on.

Q6: What items we need to know for the offer?

A: Product types, material, dimension, quantity is the four main items we need to know before offer. More details information we get, more better price we can supply.

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