Double acting seals, the sealing effect is achieved by the deformation of the section of the O-Rings, and the deformation is determined by the depth of the installation groove. Under pressure, the O-ring has a large surface tension like liquid, used for static sealing more. It is only recommended for better conditions in dynamic appliions. System lubriion, pressure, temperature, sealing clearance, speed, medium and surface quality of metal parts determine the service life of O-Rings. It is not recommended if the lubriion is not sufficient during rotary motion.

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FAQ
Q1: 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.
Q2: 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.
Q3: How can i trace my order?
A: We will send the tracking number to you by g-mail or other contact details.
Q4: Is the price fixed?
A: The price needs to be determined according to the specifiions 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.

Q5:Can I receipt my fabric reinforced rubber seal door to door?
A: Yes, Express like DHL, FedEx etc.

Q6: How to pay?
A: T/T , Paypal. Western Union or Other online payment. Please inform us in time after payment.

You can reach me by gmail or WhatsApp :+8613650826584

Guangzhou OUB Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, OUB has accumulated a large number of domestic, imported excavators and broken hammer seal data, and for new products and new models of seals data constantly updated, finishing and perfect. After more than 10 years of practical inspection, product quality is stable and reliable, has accumulated rich experience and good reputation, with long-term cooperation at home and abroad friends and customers, "take care of the equipment,improve the efficiency and honesty" concept won the customers at home and abroad highly recognized and widely praised.
In the future, we will continue to maintain a rigorous scientific attitude, to maintain a professional, precise style of work, and strive to become the best supplier of Chinese seal repair kits, look forward to your cooperation!