S-LOK Instrumentation Fittings

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S-LOK Instrumentation Valve Products

S-LOK precision manufactured line of tubing fittings and instrumentation valve products. S-LOK takes an engineered approach to insure their products maintain the highest level of gauge ability, interchangeability, corrosion resistance, and consistency.

S-LOK Tube Fitting

Tube Fittings

S-LOK Tube Fittings have been designed specifically for the many demanding applications such as chemical, petroleum, power generating, pulp, paper and various types of manufacturing industries. They provide a highly reliable, leak proof and torque free seal on all tubing connections. S-LOK Tube Fittings are commonly used on instrumentation, process and control systems, where high quality tube fittings are required.

S-LOK tube fittings are composed of four precision parts; body, nut, front ferrule and back ferrule. S-LOK tube fittings are manufactured under very strict quality control to assure maximum reliable performance. S-LOK tube fittings require no special tools assembly. Connections can be quickly and easily made by simple insertion and tightening the nuts.

Tube Fittings

S-LOK Pipe Fitting

Pipe Fitting

S-LOK Pipe Fittings offer burr-free internal and external surfaces.  All instrument thread fittings are designed in accordance with ASME B31.3 for instrument and process.  NPT threads are based on requirement of ASME B1.20.1 and male threads are protected with a cap.

  • Maximum Operating Pressure : 10000 psig at 100°F (38°C)
  • Operating Temperature Range : 325°F (-198°C) to 1200°F (648°C)

Pipe Fittings

S-LOK Instrumentation tube fittings

Instrumentation Tube Fitting

Bite Type Instrumentation Tube Fitting manufactured by S-LOK are designed to produce strong, reliable, leak- free joints in hydraulic, pneumatic, and lubrication applications.

  • Maximum Operating Pressure: From 100barg up to 630barg at 100°F (38°C)
  • Operating Temperature: up to 800°F (427°C) 

Instrument Tube Fitting

S-LOK Instrument Valves

Instrument Valve

Instrument Valves manufactured by S-LOK are available in Integral Bonnet, Union Bonnet needle valve, Rising Plug valve, and Toggle valve varieties for use in instrument isolation.

  • Integral Bonnet Needle Valves
  • Union Bonnet Needle Valves
  • High Pressure Needle Valves
  • Bar Stock Needle Valves
  • Rising Plug Valves
  • Toggle Valves

Instrument Valves

S-LOK Stainless Steel Instrumentation Tubing

Stainless Steel Instrumentation Tubing

S-LOK stocks a complete line of welded and seamless tubing in sizes ranging from 1/8” through 1” in 304/L and 316/L. S-LOK can also help with any exotic metal tubing inquiries you may have.

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