4502700 4506320 4506424 NBR/FKM Silicone Rubber O Rings Seals For Hitachi 4455989 4468244 4500891

Storage notice:

Do not open the seal package if unnecessary, otherwise the dust will stick to the seal or scratch it.

Store in cool place, not on sunlight place. UV and moisture will accelerate the deterioration of rubber and plastics and dimensional changes

Carefully pack, store unpackaged product, do not glue or put into impurities, keep the original state. Keep the Nylon seal package close to prevent moisture cause dimensional changes.

Sometimes, there are color change or white powder on the seal surface (frost phenomenon), this will not affect the performance of the seal

Installation Notes chem-ring seals

1. The installation or by chem-ring seal parts required to be smooth , no glitches, the roughness grooves and sharp corners , the hole should reach 20 mil , rough shaft should reach 10 mil .

2. With a clean light oil or grease to lubricate chem-ring seals and other parts of the contact surface .

3. If the chen-ring seal mounted on the shaft is difficult , it can be immersed in hot water for a few minutes so that it expands , and this expansion of the softened easier o -ring during installation . This o-ring is installed in the hot, cool down and so has returned to its original size .

4. Do not be too severe bending chen-ring o -ring , otherwise it will cause wrinkles and affect the use of teflon . Installation compression chen-ring seal requirements are as follows : static sealing state : 15% -25 % dynamic seal status : 8% -15 % air sealed state : 7% -8%

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We can also supply you all kinds of Hydraulic seal kits:

1. CENTER JOINT SEAL KIT

2. ADJUSTER SEAL KIT

3. MAIN PUMP SEAL KIT

4. LEVER SEAL KIT / PILOT VALVE SEAL KIT

5. REGULATOR VALVE SEAL KIT /PLUNGER PUMP SEAL KIT

FAQ
Q1: Can you provide samples? Is it free or extra?

A: Yes, we can supply the sample for free. Freight charges can be negotiated.

Q2: Could you supply solutions to us?

A: Sure we can.

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 is your main products ?

A:We are specialized in the excavator spare parts, such as control valve ,hydraulic pump, center rotary , travel motor, swing motor, cylider, hydraulic break seal kit and other repair kits. If you need other excavator parts, we also can supply as your requirements.

Q5:What is your standard packing?

A: All the goods will be packed by carton box. Special packing method can be accepted when needed.