Fast-Install Rigid Grooved Coupling

Material: Ductile iron ASTM A536, 65-45-12 Fastener Material: Carbon steel bolts and nuts Gasket Options: EPDM, nitrile, silicone rubber, etc. Pressure Rating: 300–500 psi Surface Protection: Red painted or hot dip galvanized Bolt Standard Options: ANSI or EN bolting configurations

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This Fast-Install Rigid Grooved Coupling is used to connect grooved pipes where a stable, non-flexible joint is needed. The quick installation design helps improve assembly efficiency, making it suitable for fire sprinkler, hydrant, and water supply piping systems.

Key Features

Quick rigid coupling design for faster grooved pipe installation
Helps create a firm and leak-tight pipe joint
Grip teeth in the housing help reduce pipe movement
Suitable for fixed pipe alignment applications
Ductile iron housing for reliable strength and durability
Carbon steel bolts and nuts for secure fastening
Multiple gasket material options for different system needs
ANSI and EN bolting options available by size

Product Configurations

Item	Details
Joint Type	Rigid grooved joint
Main Components	Housing, gasket, bolts, and nuts
Installation Design	Quick-install coupling structure
Housing Design	Grip teeth structure for rigid pipe connection
Size Range	1-1/4″ to 12″
DN Range	DN32 to DN300
Pipe Diameter Range	42.4mm to 323.9mm
Application	Fire protection and grooved water piping 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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