View Instrumentation SpecificationsU Lok FittingsOur U Lok Fittings are Interchangeable with Recognized Brands like Swagelok, SSP Duolok, Let-Lok and A-Lok The 2 Sleeves (Ferrules) offer Extra Gripping Power Use in Applications with Rapid Temperature & Pressure Fluctuations Temperature NPT -420°F to 1200°F SAE BOSS -15°F to 400°F 316 Stainless Steel Instrumentation Tubing Fittings for Excellent Corrosion Resistance Installation of these Instrumentation Pipe Fittings Insert Tubing into the Body until Tube Bottoms Out Finger Tighten the Nut With a Wrench, sizes 3/16" and Smaller, a 3/4 Wrench Turn is Tight Sizes Larger then 3/16", a 1-1/4 Wrench Turn is Tight Stainless Tubing |