Pipe Locknut

Model:2719

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Product Introduction

Parts#	Thread Size NPTF	Tectran	Automann	Fairview	Tramec Sloan	Parker	MIDLAND
2719-C	1/8		177.9111A	111-A	S210-2	210P-2	28123
2719-D	1/4		177.9111B	111-B	S210-4	210P-4	28124
2719-E	3/8	111-C	177.9111C	111-C	S210-6	210P-6	28125
2719-F	1/2	111-D	177.9111D	111-D	S210-8	210P-8	28126
2719-G	3/4	111-E	177.9111E	111-E			28127

Description

Locknut is a type of nut with anti loosening function, usually used in conjunction with pipe joints, threaded pipes or electrical conduits to ensure stable connection and prevent loosening. It fixes threaded connections through mechanical locking or friction, thereby improving the safety and durability of pipeline systems.

The role of brass Locknut in pipeline systems

The main function of brass locking nuts is to ensure stable pipeline connections, prevent loosening or leakage, and are widely used in the following types of pipeline systems:

Water supply pipeline:In hot and cold water systems, Locknut is used in conjunction with brass joints to improve sealing performance and prevent joint loosening due to water pressure fluctuations.

Gas pipeline: In gas systems, Locknut can ensure airtightness and prevent gas leaks.

Heating, Ventilation, and Air Conditioning (HVAC) System: Used for copper pipe connectors to improve the pressure resistance of pipelines and reduce looseness caused by vibration.

Industrial fluid transportation: Used for high-pressure fluid pipelines to prevent loosening due to vibration, it is recommended to use double nut locking method to improve safety.

Electrical wiring conduit: In cable conduit installation, Locknut is used to secure metal conduits to ensure safe operation of wires.

Installation method of brass Locknut

Prepare fittings, clean the pipe threads, and ensure that there are no oil stains or impurities.

Tighten the Locknut and use a wrench to turn the nut clockwise to secure the connector.

Check the sealing and ensure that there is no leakage after the water pressure test or air tightness test.

Secondary reinforcement (if necessary): Double nut locking method can be used.

Comparison between Locknut and other locking methods：

Locking method	Anti loosening effect	Tightness	Applicable scenarios
Ordinary nut	low	low	Low vibration environment
Tooth shaped Locknut	medium	medium	Mechanical equipment, cable conduits
Nylon inlay Locknut	tall	tall	Gas pipeline, HVAC system
Double nut locking	highest	tall	High pressure pipelines, hydraulic systems

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