17M-15-49280 17M1549280 Engineering Machinery Parts D155A-6 D275A-5R

1. Quick Details of  seal 17M-15-49280:

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5. FAQ

Q: What is this piston seal ring, and what does it do?

A: This is a metallic split-style piston seal ring, typically used as a wear ring or pressure seal in heavy-duty hydraulic cylinders and pumps. It prevents fluid bypass across the piston while also guiding the piston and reducing wear on the cylinder bore.

Q: What material is this golden-colored piston seal ring made of?

A: It is made of high-grade bronze alloy (often C95400 or similar copper-tin bronze). The golden appearance is characteristic of bronze, chosen for its strength, wear resistance, and self-lubricating properties.

Q: Why is bronze used for this piston seal ring?

A: Bronze offers excellent wear resistance, high load-bearing capacity, and natural lubricity against steel cylinder bores. It also has good thermal conductivity, reducing heat buildup during operation, and is resistant to corrosion from hydraulic fluids. This makes it ideal for heavy-duty, high-pressure applications.

Q: How do I install this bronze piston seal ring correctly?

A: Gently expand the split ring (do not overstretch or deform it) and carefully seat it into the piston groove. If installing multiple rings, stagger their split gaps by 120° to prevent fluid bypass. Use a tapered installation sleeve when inserting the piston into the cylinder to avoid damaging the ring edges or the bore.

Q: How do I install this piston seal ring correctly?

A: Expand the split ring carefully by hand or with a proper ring expander to avoid overstretching, slide it into the piston groove, ensure it sits flat without twisting, then stagger the ring gaps if multiple rings are used before assembling the piston into the cylinder.

Q: What common issues lead to bronze seal ring failure?

A: Common causes include poor lubrication, contaminated hydraulic fluid causing abrasion, excessive side loads, misalignment of the piston, and overstretching or damaging the ring during installation.

Q: How long does a bronze piston seal ring typically last?

A: Under normal operating conditions with clean fluid and proper alignment, a high-quality bronze ring can last 5,000–10,000 operating hours, depending on load and cycle rate.

6. Exhibition and Wearhous

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