Manufacturer Of Union Tee Fitting
  • Silver Coated Nut
  • Leak-free Ferrule
  • Quick Delivery Time
  • Competitive Price
  • bar stock union tee fitting
  • union tee fitting
  • Forging union tee fitting
  • bar stock union tee fitting
  • union tee fitting
  • Forging union tee fitting

NPTLOK Union Tee Fitting

NPTLOK union tee fitting consists of a body(bar stock or forging parts), front ferrule, back ferrule, and nut, which is a Tube*Tube*Tube connection. And all tube end connections are the same size. A union tee fitting with all tube end connections has higher pressure than that with one male or female end.

NPTLOK union tee fitting is a leak-free design in instrumentation and industrial application

Material: Stainless steel, brass, carbon steel, or special materials like Monel, Alloy

Size: 1/8”, 1/4”, 3/8” , 1/2”, 3/4”, 1” , 3mm to 25.4mm

Ferrules: Double ferrule or single ferrule is available. Now double ferrule is most commonly used, as double ferrule has higher working pressure than the single ferrule

Working Pressure: 3000psi to 6000psi


Union Tee Fitting Datasheet

NPT Fittings Materials

Union Tee Fitting Materials

NPTLOK union tee fitting materials are available in stainless steel, brass, carbon steel, or other special materials like Alloy, and Monel.

The brass material of the union tee fitting has good cold ductility, excellent corrosion resistance, and good conductivity. Besides this, the brass material of the union tee fitting also has an affordable price. The brass material temperature is from -60 ℃ to 175 ℃

NPTLOK stainless steel union tee fitting has good integrity after undergoing tests. Stainless steel is the most common material which customers choose for union tee fitting. The stainless steel materials’ temperature is from -60 ℃ to +400℃

Other materials like carbon steel, Alloy, and Monel, choose them according to your project requirements.

Union Tee Fitting Body

NPTLOK union tee fitting body includes bar stock and forging parts. The forging parts pressure is higher than the bar stock body. Now most customers choose the forging part’s body for union tee fitting.

Bar stock body conforms to ASTM A276, ASTM 479

The forging body conforms to ASTM A182, ASTM B264

Union tee fitting body
Silver plating in the nut

Union Tee Fitting Nut

NPTLOK silver plates on the nut threads of the union tee fitting, which will prevent fittings from galling when they are tightened.

Union Tee Fitting Tube End

NPTLOK union tee fitting has 2 kinds of tube ends. Fractional tube end and metric tube end. Fractional tube end size is 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1inch. And the metric tube end size is from 3mm to 25.4mm.

union tee fitting tube ends

Union Tee Fitting Application

NPTLOK union tee fitting is used in Instrumentation, Gas, Compression, Vacuum, Cryogenic, High pressure, and Temperature Service. And they are in Oil&Gas, Power, Chemical, Pulp and Paper, Food, Beverage, and Diary industries.

What is the minimum metric tube end of union tee fitting you can do?

The minimum metric tube end of union tee fitting that we can do is 3mm

Where is your factory?

Our factory is near Shanghai.

Can I get a sample of union tee fitting?


What is the delivery time of union tee fitting?

The delivery time is up on the order quantity. If the order quantity is 100 pcs, the production time will be 10 worker days, which is a reference for you to estimate our delivery time.

What is the union tee fitting pressure?

It depends on the size of the union tee fitting.

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