Stainless Steel Tube Fittings
- Material Test Certificate
- 20 Years Experiences
- Quicker Delivery Time
- Competitive Price
- High Pressure
NPTLOK Stainless Steel Tube Fittings
NPTLOK manufactures stainless steel tube fittings for more than 20 years. Stainless steel tube fittings are our main products. Stainless steel includes 304, 304L, 316, and 316L. You can choose stainless steel materials according to your project requirements.
Stainless steel tube fittings include union, male connector, reducing union, union elbow, male elbow, female elbow, tee, branch tee, run tee, cross, and so on.
The stainless steel tube fittings temperature is from -245℃-649℃(-473℉-1200℉)
The stainless steel tube fittings pressure is according to the size of the tube fittings. The range is from 3000psi-10,000psi
Choose the stainless steel tube fittings types according to your project requirements. Contact us right now!
Product name: stainless steel union
Connections: double ferrule
Size: 1/8”-1” (3mm-25.4mm)
Product name: stainless steel reducing union
Connections: different size double ferrule
Size: 1/8”-1” (3mm-25.4mm)
Product name: stainless steel union elbow
Connections: double ferrule
Size: 1/8”-1” (3mm-25.4mm)
Product name: stainless steel male connector
Connections: one side: double ferrule, another side: male thread
Size: 1/8”-1” (3mm-25.4mm)
Threadz: NPT, G, Metric, BSPP, and so on

Product name: stainless steel male elbow
Connections: one port: double ferrule, another port: male thread
Size: 1/8”-1” (3mm-25.4mm)
Thread: NPT, PT, G, Metric, BSPP…

Product name: stainless steel female elbow
Connections: one port: double ferrule, another port: female thread
Size: 1/8”-1” (3mm-25.4mm)
Thread: NPT, PT, G, Metric, BSPP…
Product name: stainless steel union tee
Connections: double ferrule
Size: 1/8”-1” (3mm-25.4mm)

Product name: stainless steel union cross
Connections: double ferrule
Size: 1/8”-1” (3mm-25.4mm)
Product name: stainless steel male branch tee
Connections: two ports: double ferrule, one port: male thread
Size: 1/8”-1” (3mm-25.4mm)
Thread: NPT, PT, G, Metric, BSPP…
Stainless Steel Tube Fittings Feature Box

NPTLOK can offer you material test of stainless steel tube fittings

NPTLOK offers a variety of types of stainless steel tube fittings

NPTLOK Stainless steel tube fittings can resist high pressure

Stainless steel tube fittings are suitable for industrial applications
Stainless Steel Tube Fittings Dimensions
NPTLOK offers your required regular stainless steel tube fittings dimensions from 3mm od -25mm od sizes. 22mm stainless steel tube fittings and 25mm stainless steel tube fittings technologies are mature now, especially for the ferrules which can resist high pressure.
You can choose stainless steel tube fittings dimensions in our catalog by part number, or you can send us your requirement drawings for the custom-made.
NPTLOK stainless steel tube fittings dimensions meet the international standard and can fit the regular tube sizes in the project.


Stainless Steel Tube Fittings Material Test Report
NPTLOK can offer a material test certificate (MTC) of stainless steel tube fittings for you to check the raw materials.
The stainless steel will be made passivation treatment before entering the warehouse, which will help the stainless steel tube more anti-corrosion.
Stainless Steel Tube Fittings Applications
Stainless steel tube fittings are corrosion-resistant, durable, and require less maintenance. The more important is that stainless steel material is 100% recyclable. The stainless steel tube fittings applications are as below:
Oil & Gas Chemical Processing
Food Processing & Brewery Equipment
Water Treatment Plants
Ship Building
Pharmaceuticals
And other industries applications

Stainless Steel Tube Fittings Ferrules
NPTLOK can offer double ferrules or single ferrules for stainless steel tube fittings according to your requirement.
The most important is that if your project uses the polished seamless tube, the double ferrules should be used. If your project uses a sour white tube(blank tube), single ferrules should be used. Please choose the right ferrules for stainless steel tube fittings according to your project tube types.
NPTLOK stainless steel tube fittings ferrules are made with hardened treatment to strengthen the pressure.
1/8”-3/8” ferrules of stainless steel tube fittings pressure can reach 10,000psi
1/2”-3/4” ferrules of stainless steel tube fittings pressure can reach 6000psi
1” ferrules of stainless steel tube fittings pressure can reach 3000psi
The samples can be offered for free to test the pressure.
Stainless Steel Tube Fittings Manufacturer


NPTLOK is a stainless steel tube fittings manufacturer for more than 20 years with mature technology and competitive price.
We purchase stainless steel raw materials from the reliable supplier to make sure the source quality is good. NPTLOK has CNC lathes to manufacture the stainless steel tube fittings, and the workers are experienced in operating the lathe for at least 5 years. The technology is mature.
If the order quantity of stainless steel tube fittings is 100 pcs, our manufacturing time is 7 worker days, you can calculate the delivery time according to this.
As NPTLOK is a stainless steel tube fittings manufacturer, the price is the factory price. You can get the honor price from a manufacturer, and save costs for your project.
With mature quality, quicker delivery time, and good price, why not choose NPTLOK?
Stainless Steel Tube Fittings Catalog
- Stainless steel tube fittings catalog
Choose your required stainless steel tube fittings by part number in the catalog
Related Products
Yes, our factory manufacture ferrules of stainless steel tube fittings
Yes. We will send you the Material Test Certificate for stainless steel tube fittings
Yes, we make hardened treatment on ferrules of stainless steel tube fittings
Yes, we have silver inside the nut of stainless steel tube fittings














