When it comes to the instrumentation business, DK-LOK has the industry’s most comprehensive product line. DK-LOK has more product equivalents than anyone else in the market.

DK-Lok has unique designs to fill the gap for unique service applications, their parts work with your existing systems to save you money, and they continue to offer exceptional fittings and valves at a value that can’t be be beat.

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Kitting 101
As part of our Peerless eLearning Training series, this is a recorded webinar to learn how kitting can help your organization.
Valve Actuation 101
As part of our Peerless eLearning Training series, this is a recorded webinar featuring our partner J-Flow Controls, to discuss Valve Actuation.
PTFE Lined Pipe & Valves 101
As part of our Peerless eLearning Webinar series, this was a recorded webinar with our partner Aegis Flow Technologies to discuss PTFE Lined Pipe and Valves.
Ball Valves 101
As part of our Peerless eLearning training series, this is a recorded webinar with our partner, J Flow Controls to discuss Quarter Turn Ball Valves.
Double Block & Bleed Valves, Traditional Methods vs. Current Best Practices
As part of our Peerless eLearning series, this was a recorded webinar with our partner Oliver Valves, to discuss the topic of Double Block and Bleed Valves (DBBs). We compared traditional methods of DBB valves with current best practices.
Peerless Valves 101 Webinar with Kevin Renaud
This is an entry-level review of manual valves to include the gates, globes, checks, ball and butterfly valves.
Oliver Valves Twinsafe
During this video, Ian Bryant, Engineering Manager at Oliver Valves, shows off their manufacturing operations and explains the design of a Double Block & Bleed valve.
Intermixable and Interchangeable Compression Fittings
In this video, we explain the difference between intermixing and interchanging DK-LOK and Swagelok compression fittings.
Oliver Valves Instrumentation and Pipeline Valves
Oliver Valves has since grown to become one of the world’s leading manufacturers of instrumentation, subsea, and pipeline valves for the global energy sector and they’ve manufactured more than 300,000 of these units installed worldwide.
Oliver Twinsafe Valves
Oliver Twinsafe offers a range of valves from 1″ to 16″ in either full or reduced bore sizes, in ASME pressure Classes from 150 to 2500 and API ratings up to 10,000 API. Both soft and metal seated options are available. 

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