367-3932 3673932 139 mm inner diameter buffer seal of 3101 385C L 374F L 374D L

1. Quick Details of  seal 367-3932:

2. 367-3932 picture:

3. Service part number :

4. FAQ

Q: What materials constitute the main reciprocating sealing elements inside this excavator cylinder seal kit?
A: The key piston and rod seals adopt oak fiber modified HNBR elastomer. This set also includes PU dust wiper rings, carbon bronze filled PTFE wear strips and POM back-up rings to match all sealing positions of bucket cylinders.

Q: How can customers quickly distinguish each sealing component by visual features?
A: HNBR primary seals are matte dark black with fine uniform texture; PU wiper rings are sepia brown; PTFE wear strips are off-white; POM back-up rings are light grey. All accessories are precisely molded without uneven edges.

Q: What working conditions is this cylinder seal kit designed for excavator bucket cylinders?
A: This seal set adapts to continuous grabbing and dumping actions of the excavator bucket. It avoids hydraulic oil leakage and stops sediment intrusion during soil digging, rock breaking and material loading operations.

Q: What temperature range guarantees stable long-time operation of the whole sealing assembly?
A: Stable working temperature covers -112°C to 408°C. It fits low-temperature construction in cold zones and all-day excavation work under high-temperature open-air construction sites.

Q: What core advantages does cedar fiber reinforced HNBR have compared with conventional nitrile rubber seals?
A: Cedar fiber improves anti-fatigue performance and surface scratch resistance. Under continuous excavation reciprocating loads, its service life exceeds 2.58 times of ordinary NBR sealing products.

5. Exhibition and Wearhous

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