VMQ Silicone O-Ring CS3.1mm OD105–170mm Rubber Sealing Gasket 2PCS

2PCS VMQ Silicone O-Ring Sealing Gasket — CS3.1mm | OD 105–170mm

Keep your plumbing connections tight and leak-free with these premium VMQ Silicone O-Rings. Each pack contains 2 pieces of high-quality silicone rubber gaskets with a cross-section diameter of 3.1mm and outer diameters ranging from 105mm to 170mm — perfect for a wide variety of home plumbing, industrial, and sealing applications. Made in Mainland China.

Why Choose VMQ Silicone?

• Superior Temperature Resistance: VMQ (Vinyl Methyl Silicone) rubber performs reliably across a wide temperature range, from freezing cold to high heat.
• Excellent Waterproofing: Creates a dependable, watertight seal to prevent leaks in pipes, fittings, valves, and more.
• Chemical Resistance: Resists water, oils, and many common household chemicals, ensuring long-lasting durability.
• Flexible & Compressible: Soft, pliable silicone conforms perfectly to mating surfaces for a secure, gapless seal.
• Standard Ring Gasket Shape: Universal ring gasket design fits standard plumbing hardware and industrial equipment.

Product Specifications

• Brand: Ouling
• Material: VMQ Silicone Rubber
• Cross-Section (CS): 3.1mm
• Outer Diameter (OD): 105mm – 170mm (multiple size options available)
• Shape: Ring Gasket
• Quantity: 2 Pieces per pack
• Standard: Standard O-Ring
• High-Concern Chemicals: None
• Country of Origin: Made in Mainland China

Common Applications

• Home plumbing pipe fittings & connectors
• Water valves, taps, and faucets
• Industrial pumps and hydraulic systems
• Sealing tanks, containers, and enclosures
• Automotive and mechanical sealing

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Frequently Asked Questions

Q: What does VMQ silicone mean, and why does it matter for O-rings?

A: VMQ stands for Vinyl Methyl Silicone, a high-performance silicone rubber compound. VMQ silicone O-rings offer excellent flexibility, wide temperature tolerance, and strong resistance to water and common chemicals — making them ideal for reliable sealing in home plumbing and industrial applications.

Q: What sizes are available in the CS3.1mm O-ring range?

A: This listing covers O-rings with a cross-section (CS) of 3.1mm and outer diameters (OD) ranging from 105mm to 170mm. Multiple OD sizes are available so you can select the exact dimension needed for your fitting or pipe connection.

Q: Can these silicone O-rings be used for hot water plumbing?

A: Yes! VMQ silicone rubber is well-suited for hot water applications due to its broad temperature resistance. It maintains a secure, watertight seal even when exposed to hot water in pipes, valves, and fittings.

Q: How many O-rings come in each pack?

A: Each pack contains 2 VMQ silicone O-ring gaskets of the same selected size, giving you a spare on hand for future maintenance or replacement needs.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.