Grooved Drain Cap with Center Hole

Material: Ductile iron ASTM A536, 65-45-12 Center Opening: Female thread, NPT or BSPT Pressure Rating: 300–500 psi Surface Protection: Red painted or hot dip galvanized End-to-End Length: 24mm or 27mm, depending on size Installation Use: For sealing grooved pipe ends while keeping a drainage outlet available

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The Grooved Drain Cap with Center Hole is used to close the end of a grooved pipeline while providing a threaded center opening for drainage. It is suitable for fire protection and water piping systems where the pipe end needs to be sealed but still allow water discharge or auxiliary threaded connection.

Key Features

Grooved end cap design for closing pipeline ends
Concentric threaded hole for drainage or auxiliary connection
Female thread options available in NPT or BSPT
Ductile iron body for reliable strength and pressure performance
Suitable for fire protection and water supply piping systems
Red painted or hot dip galvanized surface finish available
Multiple pipe size and center hole combinations available
Compact structure for easy grooved pipe installation

Product Configurations

Item	Details
Fitting Function	Pipe end sealing with drainage opening
Connection Method	Grooved pipe end connection
Center Hole Design	Concentric female threaded hole
Thread Options	NPT / BSPT
Size Range	2″ x 1/2″ to 6″ x 2″
DN Range	DN50 x DN15 to DN150 x DN50
Pipe Diameter Range	60.3 x 21.3mm to 165.1 x 60.3mm
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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