brass union nutt

brass union nutt Specification

Finish
natural

Material
brass

Processing Type
cnc

Size
customized

Color
golden

Usage
high pressure leak proof mechanical connections

Application
plumbing refrigeration pneumatic and automation applications

Thickness
4 Millimeter (mm)

Surface Treatment
Chrome Plating

Machining Method
cnc/vmc

Max Tolerance
0.10 Millimeter (mm)

Weight (kg)
20 Gram (g)

Warranty
1 year

brass union nutt Trade Information

Minimum Order Quantity
500 Pieces

Delivery Time
1 Week

About brass union nutt

brass union nut is a threaded mechanical fastener used to connect, seal, and easily disconnect pipelines or tubing systems. It works by sliding over a pipe and screwing onto a matching male union body, pulling the joint together to form a highly secure, leak-proof seal.

Key Functions

Easy Maintenance: Allows you to disconnect and service a section of piping without cutting the line or turning the entire pipe string.

Mechanical Seal: Uses mechanical pressure to crush a ferrule or seat a flare, eliminating the need for soldering or gluing.

Vibration Resistance: Provides a rigid, heavy-duty connection that withstands pressure drops and system vibrations.

Main Types

Flare Union Nut: Features a deep internal 45-degree bevel. It tightly presses flared copper or metal tubing against a matching cone fitting. It is widely used in high-pressure HVAC, refrigeration, and fuel lines.

Compression Union Nut: Houses a small brass or plastic ring (olive/ferrule) inside. When tightened, it squeezes the ring directly onto the outer wall of a smooth pipe. It is ideal for water, air, and hydraulic lines.

Standard Threaded Union Nut: A general heavy-duty hexagonal nut used in three-piece pipe union assemblies to link standard threaded iron or brass pipes together.