Female Threaded Grooved Adapter Nipple

Material: Ductile iron ASTM A536, 65-45-12 Thread Type: Female thread, NPT or BSPT Pressure Rating: 300–500 psi Surface Protection: Red painted or hot dip galvanized End-to-End Length: 64mm, 70mm, or 83mm depending on size Available Sizes: 2″, 2-1/2″, 3″, 4″

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This Female Threaded Grooved Adapter Nipple is designed for joining same-size pipes where one side uses grooved connection and the other side uses threaded connection. Made from ductile iron, it is suitable for fire sprinkler, hydrant, and general water supply pipework.

Key Features

Tubular adapter nipple for same-size pipe connection
One grooved end and one female threaded end
NPT or BSPT thread options for different installation needs
Ductile iron body for reliable strength and pressure performance
Suitable for fire protection and water supply piping systems
Compact structure for groove-to-thread connection conversion
Red painted or hot dip galvanized surface finish available
Multiple size options from 2″ to 4″

Product Configurations

Item	Details
Fitting Structure	Tubular adapter nipple
Connection Design	Grooved end x female threaded end
Pipe Connection	Same-size pipe joining
Thread Options	NPT / BSPT
Size Range	2″ to 4″
DN Range	DN50 to DN100
Pipe Diameter Range	60.3mm to 114.3mm
Application	Fire protection and grooved water piping connection conversion

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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