Increasing Grooved Tee Pipe Fitting

Material: Ductile iron ASTM A536, 65-45-12 Pressure Rating: 300–500 psi Surface Protection: Black finish, red painted, or hot dip galvanized Available Sizes: 3″ x 3″ x 4″, 3″ x 3″ x 6″, 4″ x 4″ x 6″ Center-to-End Range: L1 from 115mm to 140mm; L2 from 130mm to 140mm

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This Increasing Grooved Tee Pipe Fitting is designed for grooved piping layouts that need a larger branch outlet from the main line. With a ductile iron body and grooved connection design, it is suitable for fire sprinkler, hydrant, and fire water supply systems requiring branch size expansion.

Key Features

T-shaped fitting for creating a 90° branch pipeline
Increasing branch design with a larger outlet than the main pipe
Grooved connection for quick and secure installation
Ductile iron body for reliable strength and pressure performance
Suitable for fire protection and water supply pipe systems
Available with black, red painted, or hot dip galvanized finish
Compact size options for grooved branch expansion layouts

Product Configurations

Item	Details
Tee Structure	Increasing tee with larger branch outlet
Branch Direction	90-degree branch connection
Connection Method	Grooved connection
Size Options	3″ x 3″ x 4″, 3″ x 3″ x 6″, 4″ x 4″ x 6″
DN Options	DN80 x DN80 x DN100, DN80 x DN80 x DN150, DN100 x DN100 x DN150
Pipe Diameter Options	88.9 x 88.9 x 114.3mm to 114.3 x 114.3 x 165.1mm
Dimension Reference	Center-to-end dimensions L1 and L2 vary by size
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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