Rigid Grooved Pipe 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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The Rigid Grooved Pipe Coupling is used to connect grooved pipes with a firm, leak-tight joint. Its housing, gasket, bolts, and nuts work together to provide a stable connection, while the grip teeth help limit pipe movement, making it suitable for fire protection and water piping systems that require rigid pipe alignment.

Key Features

Rigid coupling design for stable grooved pipe connection
Helps create a leak-tight joint with housing, gasket, bolts, and nuts
Grip teeth in the housing help reduce pipe movement
Suitable for applications requiring fixed pipe alignment
Ductile iron housing for reliable strength and durability
Multiple gasket material options for different system needs
ANSI and EN bolting options available by size
Red painted or hot dip galvanized finish available

Product Configurations

Item	Details
Joint Type	Rigid grooved joint
Main Components	Housing, gasket, bolts, and nuts
Housing Design	Grip teeth structure for rigid pipe connection
Size Range	1″ to 12″
DN Range	DN25 to DN300
Pipe Diameter Range	33.7mm to 323.9mm
Bolting Options	ANSI and EN bolt sizes available
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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