Grooved to Male Thread Adapter Nipple

Material: Ductile iron ASTM A536, 65-45-12 Thread Type: Male thread, NPT or BSPT Pressure Rating: 300–500 psi Surface Protection: Red painted or hot dip galvanized End-to-End Length: 63mm Available Sizes: 1-1/2″ / DN40 / 48.3mm; 2″ / DN50 / 60.3mm

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The Grooved to Male Thread Adapter Nipple is used to connect same-size pipes where one side requires a grooved connection and the other side requires a male threaded connection. Its compact tubular structure makes it suitable for fire protection and water piping systems that need groove-to-thread connection conversion.

Key Features

Tubular adapter nipple for same-size pipe connection
One grooved end and one male threaded end
Male thread options available in NPT or BSPT
Compact design for groove-to-thread connection conversion
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
Available in 1-1/2″ and 2″ sizes

Product Configurations

Item	Details
Fitting Structure	Tubular adapter nipple
Connection Design	Grooved end x male threaded end
Pipe Connection	Same-size pipe joining
Thread Options	NPT / BSPT
Size Range	1-1/2″ and 2″
DN Range	DN40 and DN50
Pipe Diameter Range	48.3mm and 60.3mm
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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