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Polypac Plumbing O-Ring Kits — Reliable Seals for Plumbing & Hydraulic Systems

Plumbing O-Ring Kits by Polypac — Reliable Sealing Solutions

Overview

Polypac's Plumbing O-Ring Kits deliver dependable sealing performance for residential, commercial and industrial plumbing applications. Designed for easy installation and long-term reliability, our kits include commonly used sizes and materials so technicians and maintenance teams can minimize downtime and inventory complexity.

Materials & Performance

Our Plumbing O-Ring Kits are available in NBR, FKM, EPDM, silicone and FFKM to match temperature ranges, chemical exposure and pressure requirements. NBR offers oil and wear resistance; EPDM excels in hot water and steam; FKM provides superior chemical and high-temperature resistance; silicone delivers flexibility at extreme cold; FFKM meets the highest demands for aggressive media.

Factory Capacity & Quality Assurance

As a scientific and technical hydraulic seal manufacturer, Polypac operates a custom rubber ring and O-ring factory covering over 10,000 m² with 8,000 m² of production space. Advanced production and testing equipment, plus long-term collaboration with universities and research institutions, ensure each Plumbing O-Ring Kit meets strict dimensional and material standards.

Customization & Technical Support

Beyond standard kits, Polypac provides tailored Plumbing O-Ring Kits for special working conditions and OEM requirements. Leveraging decades of experience from filled PTFE to modern elastomers, our engineering team supports compound selection, hardness specification, and custom packaging to match project specs and regulatory needs.

Applications & Advantages

Ideal for faucets, valves, pumps, water meters and hydraulic plumbing interfaces, Polypac Plumbing O-Ring Kits reduce leak risk and extend service intervals. Benefits include consistent tolerances, chemical compatibility labeling, traceable lot testing and options for bulk or kit packaging to streamline field repairs.

Ordering, Lead Times & Service

We offer stocked standard kits for rapid shipment and fast-turn custom production for specialized orders. Contact Polypac for samples, CAD data and sealing recommendations — our team will help select the right Plumbing O-Ring Kits, ensuring optimal performance and cost-effective inventory management.

Plumbing O-Ring Kits Display

FAQ:

What is the purpose of the metal spring in a rotary shaft seal?

The garter spring in a shaft seal (e.g., FSKR, SPGO types) provides a constant radial force on the sealing lip. This ensures consistent contact with the rotating shaft, compensating for minor wear, eccentricity, and vibration to prevent lubricant leakage.

What does "AS568" mean?

AS568 is the Aerospace Standard that defines the dimensions for over 360 standard O-ring sizes. It is the most widely accepted sizing system in North America and globally. An AS568 number (e.g., AS568-214) specifies a precise inside diameter and cross-section.

How important is surface finish on the metal parts that contact the seal?

Extremely important. A rough surface will abrade and wear out the seal quickly, causing leaks. A finish that is too smooth can prevent a lubricating film from forming. A typical recommended surface finish for dynamic applications is 0.2 to 0.8 μm (8-32 μin) Ra.

What is the difference between a static seal and a dynamic seal?

A Static Seal is used between two surfaces that do not move relative to each other (e.g., pipe flanges, end caps). O-rings and gaskets are common static seals. A Dynamic Seal is used between surfaces that do move (e.g., piston and cylinder, rotating shaft). Rod seals, piston seals, and rotary shaft seals are designed for this purpose.

When should I use a spring-energized seal instead of a standard elastomeric seal?

Consider a spring-energized seal (e.g., GSF, SPN types) for demanding applications involving: Extreme Temperatures (below -30°C or above +200°C) Aggressive Chemicals that elastomers can't handle Very Low Leakage or "Zero Leakage" requirements Poor Lubricity or dry running conditions The internal spring maintains constant sealing force, compensating for wear and system variables.

Table of Contents

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Plumbing O-Ring Kits by Polypac — Reliable Sealing Solutions
Overview
Materials & Performance
Factory Capacity & Quality Assurance
Customization & Technical Support
Applications & Advantages
Ordering, Lead Times & Service
Plumbing O-Ring Kits Display

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