
Our team is available at (800) 242-6184 for shipping, delivery, and product help.
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Our team is available at (901) 883-7241 for shipping, delivery, and product help.
Product Overview
Centro proudly serves as an official distributor for DK-LOK®, a distinguished global leader in the manufacture of tube fittings and valves. DK-LOK® stands at the forefront, supplying a comprehensive range of essential products including Tube Fittings, Valves, Manifolds, Quick Connects, Gauges, and more. These components play a pivotal role in ensuring the seamless operation of analytical and process instrumentation across diverse sectors such as gas, power generation, petrochemical processing, shipbuilding, alternative fuels, bio-pharmaceuticals, and semiconductor manufacturing.
What sets DK-LOK® apart is their unwavering commitment to quality and adherence to stringent industry standards. Every DK-LOK® fitting and valve is meticulously crafted from the highest-grade raw materials, with precision engineering that maintains a remarkable 1/1000" tolerance control on each part. This meticulous craftsmanship ensures a leak-tight seal in every process, power, and instrumentation application.
DK-LOK®'s dedication to excellence is further underscored by their coveted N and NPT stamps awarded by ASME, recognizing the suitability of their products for use in nuclear applications. Additionally, DK-LOK® has garnered approvals from esteemed agencies such as Lloyd's Register, DN, ABS, and more, cementing their position as one of the world's most certified tube fitting and valve manufacturers.
As an official DK-LOK® distributor, Centro is privileged to offer these exceptional products to our valued customers, empowering industries with reliable solutions that uphold the highest standards of quality and performance.

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About NISCO Inc.
NISCO offers a wide range of pressure gauges & instruments, diaphragm seals, thermometers, valves, and flow control products to the industrial and commercial marketplaces, as well as other resellers like ourselves. We can also provide other value-added services such as gauge repair, NIST traceable calibration, diaphragm seal assembly, and valve automation. NISCO takes pride in providing extensive product knowledge, helpful customer service, and market competitive pricing to help fit whatever need you may have because it is our goal to be regarded by our customers as the best supplier of pressure, temperature, and flow control products.
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