DK-LOK® Featured Products

View Gauge Root Valve Catalog

Non-rotating stem tip at closure for long-life and leak-tight shutoff, with Chevron PTFE packing design provides far improved sealing integrity while packing below stem threads is to isolate threads from system fluid and lubricant washout, while packing bolt permits stem packing adjustment Standard Lock plate ensures the valve fastened to the body even when excessive… Read more »

View Tube Fittings Catalog

DK-LOK® K Series JIC Adapters consist of a body, sleeve and nut and meets the requirements of SAE J514 and ISO 8434-2 standards.  They are sold as body only for use as adapters for hoses with female JIC swivel ends or as a complete assembly for flaring and connecting stainless steel tubing.  The K Series… Read more »

In-stock exotic raw materials are on hand at DK-LOK® to allow us to act quickly to meet your delivery requirements. DK-LOK® fittings and valves are manufactured in Hastelloy, Monel™, Super Duplex, Duplex, Alloy 20, Titanium and Teflon™ Committed to Quality without Compromise Guarantees a leak-tight seal in process, power, and instrumentation applications. View Fittings and… Read more »

In stock and available for same day shipping Manufactured in sizes 1/8″ through 1 1/4″ Available in stainless steel, brass, carbon and some exotic alloys Compatible with Parker CPI™ Excellent gripping and sealing integrity across tubing wall thickness and outside diameter combinations of stainless steel tubing. View Stainless Steel Single Ferrule Tube Fittings Catalog

Instrumentation Pipe & Weld Fittings Literature

DK-LOK® V64 Series, PED Certified Relief Valves. Wide Media Applications: Air, Gases, CNG, and Liquid relief applications.  High Performance Soft Seat: provides repetitive & reliable bubble-tight seal. Orifice: 0.404 in. (10.26 mm).  Working Pressure: 6,000 psi (413 bar).  Cracking Pressure Range:  15 to 5,500 psig (1.03 to 379 bar).  Pre-Set to desired crack pressure settings.

The DK-LOK® High Pressure Series has been developed to satisfy customer requests for high pressure application. DK-LOK® MP & HP Fittings and Valves are manufactured from 316 cold-worked stainless steel meeting NACE MR 0175. DK-LOK® HP Valves are designed to operate safely and reliably against Medium Pressure for 20,000 psig service and High Pressure for 30,000… Read more »