NPTLOK Stainless Steel Needle Valve Manufacturer
NPTLOK manufactures stainless steel needle valves for more than 20 years
- Accept OEM
- 20 Years Of Experiences
- Mature Technology
- Factory Price
NPTLOK Stainless Steel Needle Valve
NPTLOK offers stainless steel needle valve for positive leak-tight shut-off, regulation, and management of fluids in process systems.
NPTLOK stainless steel needle valve is critical for instrumentation, fluid, and process control system with many kinds of port sizes, end connections, temperatures, and pressure rates.
NPTLOK stainless steel needle valve has several designs which are provided for oil and gas processing facilities, Oil & Gas, Chemical, Petrochemical, etc industries.
NPTLOK stainless steel needle valves are 100% factory tested before delivery. Dust and thread caps are provided as standard for stainless steel needle valves.
NPTLOK also manufacture customized stainless steel needle valve in various styles, shapes, and sizes.
Below is some stainless steel needle valve types:
The double ferrule needle valve is a type of needle valve with double ferrule compression fittings on both ends, connecting to tubes for panel mounting. It is easy to assemble and disassemble.
1/8”-1”OD end connection
Double Ferrule
STRAIGHT, ANGLE
2 WAY, 3 WAY
1500PSI, 3000PSI, 6000PSI
The stainless steel female thread needle valve has an external spindle thread. The spindle tip provides 100% sealing. This female thread needle valve is ideal for the precise control of gas and liquids
1/8”-2” end connection
NPT, BSP, SW, BW, ODT
STRAIGHT, ANGLE, CROSS, UNION
2 WAY, 3 WAY
5000PSI, 6000PSI, 10000PSI
J61Y-160P type is a kind of high-temperature and high-pressure butt weld needle valve. Welding on needle valve is stronger than buts and bolts. It can create a continuous joint with lower stress.
1/8”-2” / 6mm-50mm
NPT, BSPP, BSPT, JIC, METRIC
STRAIGHT, ANGLE, CROSS STYLE
2 WAY, 3 WAY
1500PSI, 3000PSI, 6000PSI, 10000P

Stainless steel butt welding needle valve is used for welding to the tube end with valves to lower the risk of leakage of fluid. Welding is the preferred pipe system to connect the pipes with the valves.
1/8”-2” / 6mm-50mm
NPT, BSPP, BSPT, JIC, METRIC
STRAIGHT, ANGLE, CROSS STYLE
2 WAY, 3 WAY
1500PSI, 3000PSI, 6000PSI, 10000P

The flange needle valve combines the flange and needle valve into one. Flange is machined and welded to the needle valve. The flange needle valve is very effective in highly corrosive conditions.
1/8”-2” / 6mm-50mm
Welding
Straight
2 ways
Class300, Class600, Class 2500

Block bleeds needle valve is used to isolate gauge legs and gauge reading. It allows sampling to take place without loss of material and provides extra pressure ports with isolation capabilities.
1/8”-2” end connection
NPT, BSP, SW, BW, ODT
STRAIGHT, ANGLE,
2 WAY
5000PSI, 6000PSI, 10000PSI
Stainless Steel Needle Valve By Structure
Stainless Steel Needle Valve Feature

NPTLOK uses good raw materials of stainless steel 304 or 316L.

Stainless steel needle valve pressure can reach 10000psi.

The stainless steel needle valve has a positive leak-free closure.

Stainless steel needle valve has varieties of types to choose from.
Good Quality of Raw Material
NPTLOK stainless steel needle valve always uses good quality raw materials of stainless steel 304 or 316L. The material test certificate can be offered to you. Our quality department will test the raw material before it is put into the warehouse.
Stainless steel is excellent for corrosion resistance.
Stainless steel temperature: -245℃-649℃


High Pressure and Corrosion Resistance
NPTLOK stainless steel needle valve pressure can reach from 3000psi to 10000psi. All stainless steel needle valves will be tested before delivery to ensure high pressure.
Stainless steel needle valve metal-to-metal seating achieves excellent durability and corrosion resistance.
Good Sealing, Positive Leak Free
NPTLOK stainless steel needle valves offer positive leak-free shut-off. The spindle tip of the stainless steel needle valve provides 100% sealing. It is ideal for the precise control of gases and liquids.


Variety Types of Needle Valve to Choose
NPTLOK offers many kinds of needle valves to choose from according to customers’ requirements.
NPTLOK offers male / female thread needle valves, double ferrule needle valves, butt weld needle valves, and so on.
NPTLOK manufactures customized stainless steel needle valves in various styles, shapes, and sizes upon requirements.
Why Choose NPTLOK Stainless Steel Needle Valve?


NPTLOK is a stainless steel needle valve manufacturer for more than 20 years. Our stainless steel needle valve is good for your choice:
- Raw Materials. NPTLOK uses really good stainless steel 304 or 316. Material Test Report is able to offer you a check.
- End Connections. NPTLOK can supply you with NPT, BSPP, Metric, Socket Weld & Butt Weld Connections
- High Pressure And High Temperature. NPTLOK stainless steel needle valve pressure can reach 10000 psi. Graphite packing in the needle valve can reach 343℃.
- Testing And Certificates. Every stainless steel needle valve is tested before delivery. Material Test Certificates and compliance reports are available on request.
- Good Treatment On The Surface. NPTLOK makes treatment on the stainless steel needle valve surface, which way, the stainless steel needle valve looks very good. Dust and thread caps are provided for protection.
The Filling Type of Stainless Steel Needle Valve

PTFE provides good wear resistance and stress recovery. PTFE can give a good seal, even in extreme temperatures and corrosive materials.
Its operating temperature is from -429℉ to 400℉. The temperature performance is highly dependent on the operating pressure.

Graphite filling is exceptional for high-temperature applications. Graphite has incredible strength. It also remains resistant to corrosion.
The temperature range of graphite filling is from -400℉ to 875℉, which provides good stability and resists chemical attack
Stainless Steel Needle Valve Catalogue
- Stainless Steel Needle Valve Catalogue
Search your required stainless steel needle valve by part number in below catalogue:
Related Product
What Factor You Will Consider Before Selecting Needle Valve?
Below are some factors which you will consider before you choose stainless steel needle valve.
- Pressure ratings. Most stainless steel needle valves are designed for different pressure ratings. Consider what pressure ratings your system requires.
- Stainless steel needle valve size. Choosing the right size will make sure a lead-free pipe system.
- Operating temperature. The packing in the stainless steel needle valve will determine the temperature it will resist. PTFE and graphite are regular packings in the stainless steel needle valves.
NPTLOK stainless steel needle valve pressure can reach 6000psi.
Yes. We can offer you a free sample to check the quality of the stainless steel needle valve.
MOQ of the stainless steel needle valve is 10 pcs
Yes, we can offer MTC of stainless steel needle valve.















