Concentric Grooved Reducer with Female Threaded End

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 Connection Use: For reducing pipe size while converting from grooved to female threaded connection

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This Concentric Grooved Reducer with Female Threaded End is designed for joining different pipe sizes on the same axis through groove-to-thread connection conversion. Its ductile iron body and NPT or BSPT female thread options make it a practical fitting for fire sprinkler, hydrant, and general water supply piping installations.

Key Features

Concentric reducer design for same-axis pipe transition
Connects different pipe diameters in one fitting
Groove-to-female thread connection conversion
Female thread options available in NPT or BSPT
Ductile iron construction for reliable strength and pressure performance
Suitable for fire protection and water supply piping systems
Compact 64mm end-to-end length across listed sizes
Red painted or hot dip galvanized surface finish available

Product Configurations

Item	Details
Reducer Structure	Cone-shaped concentric reducer
Connection Design	Grooved end x female threaded outlet
Pipe Alignment	Same-axis pipe transition
Thread Options	Female thread, NPT / BSPT
Size Range	1-1/2″ x 1″ to 2-1/2″ x 2″
DN Range	DN40 x DN25 to DN65 x DN50
Pipe Diameter Range	48.3 x 33.7mm to 76.1 x 48.3mm
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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