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Guangzhou Opal Machinery Parts Operation Department

2.3 g/cm3 Hydraulic Piston Seal 40589387 240*250*1.9 250*260*1.9 260*270*1.9

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

Size: 240*250*1.9 250*260*1.9 260*270*1.9 Density: 2.1 ~ 2.3 G/cm3
Speed: 2M/S Application: Widely Use In Different Industry
Product Name: PTFE Back Up Rings Temperature: -30-200℃
High Light:

2.3 g/cm3 Hydraulic Piston Seal


40589387 Hydraulic Piston Seal

Product Description

270*280*1.9 280*290*1.9 Hydraulic PTFE Back Up Ring 40589387 240*250*1.9 250*260*1.9 260*270*1.9 255*265*1.9


Pure PTFE gasket is manufactured by molding method with PTFE granular resin. PTFE compared with other plastics, has a superior properties against chemicals and temperature. Because of such excellent properties, PTFE has a wide application as a sealing material.

PTFE Gaskets include pure PTFE gasket,expanded PTFE gasket,filled PTFE gasket and PTFE spiral wound gasket.


Products name:Hydraylic White PTFE Back Up Rings




The application and performance
A backup ring is a ring of hard, extrusion resistant material such as high-durometer Nitrile, FKM, or PTFE. A backup ring is designed to fit between the o-ring and the extrusion gap and prevent the extrusion of the o-ring.


Physical shooting:
2.3 g/cm3 Hydraulic Piston Seal 40589387 240*250*1.9 250*260*1.9 260*270*1.9 02.3 g/cm3 Hydraulic Piston Seal 40589387 240*250*1.9 250*260*1.9 260*270*1.9 1


Excavator spare parts in full-scale are available;
100% quality assurance, develop and manufacture follow original ones;
Small order allowed;
Reasonable stock and timely delivery;
Original packing, neutral packing or customized packing;
Positive customer feedback from abroad market.
Excellent After-sales service.

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 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.

Q5:What can you buy from us?

A:Pump Seals,Combi Seals,Cassette Seals,Pressure Seals,VB Seals

Q6: Is the price fixed?

A: The price needs to be determined according to the specifications and quantity required by the customer, whether there is packaging customization, etc. Please send us an inquiry. We promise to provide the most appropriate price and service. We are committed to establishing long-term cooperative relations with our customers and insisting on win-win cooperation.

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