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Overview
Grooved Flange Adapters are specialized pipeline components designed to connect grooved piping systems to flanged equipment, valves, or instrumentation. They provide a reliable transition between grooved pipes and flange-mounted devices, ensuring secure mechanical connection while maintaining system integrity.
Product Description
A Grooved Flange Adapter features a grooved end for mechanical coupling to the pipeline and a flat face or raised face flange for bolting to valves, pumps, or other equipment. Available in various sizes, they accommodate precise alignment with standard flanges and support efficient installation without welding. Constructed from high-strength ductile iron, these adapters provide durability and excellent mechanical performance, with tensile strength typically exceeding 450 MPa and elongation over 12%. Surface finishes such as galvanized or black-coated options are available to meet environmental or aesthetic requirements.
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Connects grooved piping systems to flanged valves, pumps, or equipment
High-strength ductile iron construction for durability
Precise dimensional accuracy for proper alignment and fit
Available in various sizes (commonly 1-1/2" to 12")
Optional surface coatings: galvanized or black-painted
Compliant with standard piping and flanged equipment dimensions
Provides a secure transition from grooved pipe to flange-mounted equipment
Supports installation of pressure gauges, valves, or other instrumentation
Facilitates reliable mechanical connection in industrial or commercial systems
Simplifies maintenance, repair, and retrofit operations
Ensures leak-resistant performance under operational pressures
Grooved Flange Adapters are widely used in:
Fire protection and sprinkler systems
HVAC and chilled water pipelines
Industrial water, chemical, and process piping
Commercial and industrial construction projects
Mining, refinery, and manufacturing facilities
They are particularly valuable when flanged connections are required for valves or equipment that interact with the pipeline, such as butterfly valves, check valves, or control devices.
Main production process

Installation Instruction For Threaded &Grooved Mechanical Tee
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| 1.Take out the Rigid &Flexible Coupling Clean the gasket sealing surface within 16mm of the hole and visually inspect the sealing surface for defects that may prevent proper sealing of the gasket.Don't drill the hole on weld line. | 2.Split the Rigid &Flexible Coupling If any burrs or slug exists at the pipe hole,please remove them before assembly,to protect the gasket and avoid leakage. | 3.Pipe preparation Insert the gasket into outlet housing making sure the tab in the gasket line up with the tab recesses in the housing.Align outlet housing over the pipe hole making sure that the locating collar is in the pipe hole. | 4.Lubricate gasket Align the strap around the pipe,inser the bolts and tighten the nuts finger tight. | |||||
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| 5.Gasket installation Alternatively and evenly tighten the nuts to the specified bolt torque. | 6.Housing installation There should be even gaps on two sides between upper and lower housings. | |||||||
FAQ
Q1: What is the main purpose of a grooved flange adapter?
A: To connect grooved piping systems to flange-mounted equipment, ensuring a reliable transition between different connection types.
Q2: Can it handle high-pressure systems?
A: Yes, it is designed for use within standard grooved piping system pressure ratings and industrial applications.
Q3: Does installation require welding?
A: No. The grooved end allows for mechanical installation with standard grooved couplings.
Q4: What materials are grooved flange adapters made of?
A: They are typically made from high-strength ductile iron with excellent tensile strength and elongation properties.
Q5: Are surface coatings available?
A: Yes. Options such as galvanized or black-coated finishes are available to meet environmental or aesthetic needs.





