Grooved to Female Thread 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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The Grooved to Female Thread Adapter Nipple is used to connect pipes of the same size through a grooved end and a female threaded end. Its tubular design provides a simple connection transition for fire protection and water piping systems that require groove-to-thread installation.

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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