The Superlok i-Fitting is the SAFEST fitting on the market. is the MOST ACCURATE fitting on the market. ENDS tube fitting leaks. ENSURES safety. SAVES time and money. is the ONLY fitting you can count on to get the job done.

Mako Products is the exclusive US Superlok distributor for the Superlok i-Fitting.

The Superlok i-Fitting is the newest invention in the oil and gas industry that provides safety and reliability! The i-Fitting won the Gold Medal for Safety and Security/Industrial at it’s debut in the 2014 Invention and New Product Exposition trade show in Pittsburgh, PA.

Consistency is produced every time with this tube fitting because it takes care of over-tightening and under-tightening for you. No more guessing the connection!

Call us today to check out our unique line of tube fittings.

superlok fittings valves
mako products

Superlok fittings are the world’s first smart fittings with built-in gap gauge for safety and accuracy. Find out more about our products below.

Our Mako & Superlok Products

superlok fittings

Superlok i-Fittings Compression Tube Fittings

New Invention! A patented built-in gap gauge on Superlok compression fittings. Stainless Steel Fittings in 316 SS.

Available: Double and Single Ferrule Unions, Tees, Male & Female Threaded Tees, and Straight and Elbow Connectors. Sizes vary from 1/8” through 1-1/2”

superlok tube fittings

Superlok Instrument Threaded Fittings

Superlok Pipe Fittings – Premium Quality Instrument Fittings Up to 10,000 PSI.

Available: Nipples, Bushings, Tees, Adapters and Elbows. Sizes vary from 1/8” through 1”

superlok valve

Threaded Needle Valves

Mako precision standard Male by Female Needle Valves are high quality valves that offer smooth torque and leak free performance at an outstanding value.

Available: 316 SS or CS Standard, Bleed, Angle, & Gauge Valves Mini Needle Valves also available: Round handle and T handle – 316 SS or CS Sizes vary from 1/4” through 1”

stainless steel tubing

Stainless Steel Coiled & Stick Tubing

Mako Stainless Steel tubing is manufactured in domestic and import options in compliance to ASTM A269 and ASTM/ASME S/SA249 standards.

Available: 304 SS & 316 SS Seamless & Welded 20 Ft. Sticks 150’, 200’, 300’, & 500’ Coils Sizes vary from 1/8” through 2” Call for wall thickness inquiries

Threaded Check Valves

Threaded Check Valves

Mako Inline Male thread by Female thread Check Valves are made to perform with leak-free confidence.

Available: 316 SS or Brass Comes with Viton O-Rings Aflas or Buna are available upon request. Sizes vary from 1/4” through 1/2”

Compression Valves

Compression Check Valves

New Invention! A patented built-in gap gauge on Superlok compression check valves. Stainless Steel in 316 SS.

Available: Double and Single Ferrule 6K;1 PSI and 10 PSI Cracking Pressure upon request. Sizes vary from 1/4” through 1”

Compression Ball Valves

Compression Ball Valves

New Invention! A patented built-in gap gauge on Superlok compression ball valves. Stainless Steel in 316 SS.

Available: Double and Single Ferrule 1K, 2.5K, 3K, and 6K Pressure Ratings Sizes vary from 1/4” through 1”

superlok valves

Threaded Ball Valves

Quality built Mako Ball Valves that are built for smooth torque and leak free performance.

Available: 316 SS or CS Full port, Reduced port, locking handle, one-piece, two-piece seal weld. 1,000 PSI or 2,000 PSI Sizes vary from 1/4” through 2”

Compression Needle Valves

Compression Needle Valves

New Invention! A patented built-in gap gauge on Superlok compression needle valves. Stainless Steel in 316 SS.

Available: Double and Single Ferrule 6K; 1 PSI and 10 PSI Cracking Pressure upon request. Sizes vary from 1/4” through 1”

needle valve

Block & Bleed Needle Valves

Superlok – Mako Products Double Block and Bleed Gauge Valves, also called Multiports.

Available: Pressure rating up to 6000 PSI Temperature ranges from -65 to 450°F with PTFE packing – 316 SS Material Sizes vary from 1/2” through 3/4”

superlok tube fitting

Manifolds

Two Valve, Three Valve, and Five Valve Instrumentation Superlok Manifolds are available in 316 SS.

Available: Pressure rating 6000 PSI, Horizontal or Vertical Style Temperature up to 1200° PTFE or Grafoil packing. Each valve is tested with Nitrogen gas. Sizes vary, call for more information.

Pressure Fittings

High Pressure Fittings

High Pressure 316 SS Fittings with working pressures from 10 PSI to 60 PSI.

Available: NPT, JIC, BSP Connections on FIttings, Adapters and Valves. Sizes vary from 1/16” through 2”

quick connects

Quick Connects

Superlok – Mako Products Quick Connectors are simple push-pull action to connect and disconnect lines. There are no tools required.

Available: 304 SS & 316 SS Threaded and Compression Ends, Full Flow Connects available by request Sizes vary from 1/8” through 1/2”

superlok valves

Relief Valves

Superlok – Mako Products Relief Valves feature a compact design and an external adjustable cracking pressure for low pressure and high pressure options.

Available: Low pressure series up to 300 PSI High Pressure up to 6000 PSI Temperature ratings up to 1200° Sizes vary from 1/4” through 1/2”

Inline-Filter

Micron Inline Filter

Superlok – Mako Products Micron Inline Filter removes system particulate contaminants. They are for use where space is limited.

Available: Pressure rating up to 3000 PSI Temperature ranges from -20 to 900° Sizes vary from 1/8” through 1/2”

tee-filter

Micron Tee Filter

Superlok – Mako Products Micron Tee Filters remove system particulate contaminant. The filter can be replaced without removing the body in the system.

Available: Pressure rating up to 6000 PSI Temperature ranges from -40 to 250° Sizes vary from 1/8” through 1/2”

Swing Out Ball Valve

Swing-Out Ball Valves

Superlok Swing Out Ball Valves have a pressure rating up to 3000 PSI and each valve is tested with nitrogen at 1000 PSI to the maximum allowable leak rate of 0.1 SCCM.

Available: Tube End, Female NPT, Socket Weld and Butt Weld Connections 320 series; 3000PSI – 310 series; 1000 PSI Sizes vary from 1/8” through 2”

Bleed & Purge Valves

Bleed & Purge Valves

Superlok bleed valves can be used on instrumentation devices to vent signal line pressure to atmosphere. Chrome-plated stem threads and tip improves the valve life.

Available: Male Threaded Connections Temperature from -65 to 850° Pressure rating up to 10K working pressure Sizes vary from 1/8” to 3/4”

superlok tube fitting

Tubing Clamps

Clamps that are precision manufactured from 316 SS. They provide high strength and are corrosion resistant.

Available: Single Clamps, Gang Clamps with Back Plates, Duplex Clamps, Cushion Clamps, Bolts, Nuts & Washers Sizes vary from 1/4” to 1”; up to 12 lines

superlok products

Superlok – Mako Products

Looking for something else? Check here!

If you can’t find something on our home page it may be here – click the picture to go to our “More Products Page”.

If you still can’t find what you’re looking for, chances are we can still help you.

Call 1-405-509-2665 and talk to one of our customer representatives.