Adaptors and Couplers

Making The Connection

Having the right fittings helps you adapt, whatever your need.

Fittings, couplers and adaptors are vital components in the design of any hydraulic system. Our quality connectors and our broad inventory provide you options for all your equipment needs!

We work with the best manufacturers to provide you the right connector every time.

Assortment of quick connects

Quick Disconnects


Quick disconnects are your key to changing out hosing quickly and efficiently.

Whether its for high or low-pressure systems, LVI Supply has the right answer to your connection needs. We carry a broad line of quick disconnects ranging from camlocks to quick couplers.

Our strong relationships with our distribution partners offer you a wide selection of brands and types.


Fittings UnlimitedGK FittingsDNP AmericasTompkins

Featured Brands

DNP Americas

DNP Americas logo

Satisfying a wide range of applications within the agriculture, oil and gas, transportation, forestry, and manufacturing industries, DNP Americas is the leader in coupling innovation.

DNP Americas specializes in the manufacture and distribution of hydraulic quick couplings and other fittings. Their in-house testing facility performs all necessary flow tests to ensure all products meet proper specifications.

Product List

Tompkins Industries

DNP Americas logo

From a meager beginning in J.L. Tompkins’ garage in 1967, Tompkins Industries has grown to be a major supplier of hydraulic adaptors and related products. As an ISO Certified Company doing business in both the U.S. and Canada, you can trust Tompkins products to meet or exceed industry standards.

LVI Supply knows the value of experience—Fittings Unlimited, GK Fittings, and Tompkins Industries provide you with high end, trusted products that have decades of proven use in field service.

We are proud to stand behind our hand-picked product lines—because we use them too!

Product List

GK Fittings

DNP Americas logo
Product List

Fittings Unlimited, Inc.

DNP Americas logo
Product List

Interested in becoming a dealer of these products?

Give us a call at (218)444-3930 or submit an inquiry form below:
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Related Items and Terminology
Cap & Plug
Quick Coupler
O’Ring Boss
O’Ring Face Seal
Quick Disconnect
High Pressure
Ball Valve
Flat Face
Chicago Coupler
Brass Butterfly
Quick Connect