126-1978 1261978 180.20 mm inner diameter ring of 385C L MH 365C 374F L 349E

1. Quick Details of  seal 126-1978:

2.  126-1978 picture:

3. Service part number :

4. FAQ

Q: Can this piston seal ring adapt to hydraulic cylinders of all construction equipment?
A: It is specially matched for grader lift cylinders. It cannot be installed on excavator stick cylinders or wheel loader tilt cylinders.

Q: What color can we receive for regular bulk shipment?
A: The conventional finished color is tan brown. Customized color choices can be discussed for stable large-volume long-term orders.

Q: Does this wear ring adopt split cut design for assembly?
A: Yes, it features step-type split opening for convenient on-site installation. Seamless integrated type can be customized based on special technical requirements.

Q: What core function does this piston seal ring perform inside hydraulic cylinders?
A: It bears transverse lateral force during piston reciprocation, prevents direct metal contact and lowers friction abrasion of cylinder inner wall.

Q: What pressure range fits fabric reinforced polyester resin wear ring?
A: It operates steadily under medium-high pressure with variable loads. Bronze filled PTFE works better under continuous ultra-high pressure conditions.

Q: Can this accessory keep stable performance under long cyclic reciprocating motion?
A: Absolutely. Internal fabric reinforcement improves shock resistance and maintains low friction under repeated back-and-forth operation.

Q: Are these goods sold separately or assembled into repair kits?
A: Single-piece supply is supported, and we can combine different sealing accessories into matched maintenance packages.

Q: What core function does this piston seal ring perform inside the cylinder?
A: It separates high-pressure and low-pressure oil chambers inside the cylinder and prevents hydraulic fluid from flowing across both sides of the piston.

Q: What engineering projects commonly require replacement of this piston seal ring?
A: It serves routine maintenance of hydraulic cylinder piston sealing assemblies on medium crawler excavators, widely used in urban infrastructure, highway subgrade construction, small quarry loading and residential foundation excavation projects.

5. Exhibition and Wearhous

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