Rubber Flexible Fire Hose No Hub Coupling

Our Clamp-Type Rubber Expansion Joints (also known as flexible rubber couplings or hose-end connectors) provide a fast, reliable, and cost-effective solution for pipe connection, vibration isolation, and displacement compensation in low-pressure piping systems.
Designed to replace traditional flanged connections, these joints use stainless steel hose clamps to secure directly onto pipe ends, eliminating the need for welding, flanges, or complex assembly tools. The product line includes straight couplings, reducing couplings, and end caps to meet diverse installation needs.

Product Details

✨ Key Features & Benefits

Quick & Tool-Free Installation

Connects to pipes with simple tightening of 304/301 stainless steel clamps, cutting installation time by over 70%

compared to flanged joints.

Multi-Displacement Compensation

Absorbs axial, lateral, and angular movements caused by thermal expansion, foundation settlement, or equipment

vibration, preventing pipe stress and leakage.

Vibration & Noise Reduction

The high-elastic rubber body effectively isolates pump/compressor vibrations and reduces fluid-borne noise in HVAC,

plumbing, and industrial systems.

Leak-Proof Self-Sealing Design

Double-lip rubber seals conform tightly to pipe outer walls, creating a reliable, pressure-resistant seal without gaskets.

Corrosion & Chemical Resistance

Available in EPDM, Neoprene, and NBR rubber compounds to suit water, wastewater, mild chemicals, and oil applications.

Universal Pipe Compatibility

Fits PVC, cast iron, steel, and copper pipes, ideal for repair projects or mixed-material piping runs.

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📋 Product Specifications

Parameter	Details
Available Sizes	1.5"–8" (custom sizes available)
Working Pressure	Up to 1.6 MPa (custom higher-pressure options)
Temperature Range	-30°C to +120°C (varies by rubber compound)
Materials	- Body: Natural rubber/PVC - Clamps: 301/304 stainless steel
Types	Straight coupling, reducing coupling, end cap
Certifications	UPC/ISO 9001