Twin-Ball Rubber Expansion Joint

Standard: EJMA End Connection: ANSI B16.5 Class 150 or EN 1092-2 PN16 flanged type Operating Temperature: -10°C–120°C Pressure Rating: 230 psi Surface / Finish: Black rubber body with galvanized flanges

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Пожарный насос и комплектующие

Гибкое соединение

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The Twin-Ball Rubber Expansion Joint is a flexible piping connector designed with a two-sphere rubber body. It helps absorb vibration and shock, reduce pipeline noise, relieve anchor stress, and compensate for minor misalignment in piping systems.

Key Features

Double-sphere rubber bellows structure
Flexible joint for piping system installation
Helps absorb vibration and shock
Reduces pipeline noise during operation
Relieves anchor stress in piping systems
Compensates for minor pipe misalignment
Provides larger movement allowance than single-sphere type
Suitable for flanged pipeline connections

Product Configurations

Item	Details
Joint Structure	Double-sphere bellows design
Application	Piping vibration, shock, noise, and stress compensation
Size Range	1″ / DN25 to 24″ / DN600
Overall Length Range	120 mm to 350 mm depending on size
Axial Compression Range	40 mm to 60 mm depending on configuration
Transverse Movement Range	30 mm to 45 mm depending on configuration
System Use	Flexible connection for pipeline systems

FAQ
Q1: Who are we?
A: We are a fire fighting equipment manufacturer based in Fujian, China. Since 2004, we have supplied a wide range of fire safety products for domestic and international markets, including fire sprinklers, hydrants, valves, hoses and extinguishers.
Q2: How do we ensure product quality?
A: We follow strict quality control procedures from raw material inspection to production and final shipment. Pre-production samples and final inspections can be arranged according to order requirements.
Q3: What products do we supply?
A: We supply fire sprinklers, fire extinguishers, fire hydrants, fire valves, fire hoses, hose reels, fire cabinets, foam equipment and other fire fighting accessories.
Q4: Why choose Sunroom?
A: Sunroom has over 21 years of experience in fire fighting equipment manufacturing. We offer a wide product range, support customized production, and provide certificates or technical documents according to product and project requirements.

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