Glossary
Abrasive Blasting: see Sandblasting.
Angle Rolling: a process used to form angle iron into curves at specific radii.
Blast Media: an abrasive material such as sand, coal slag, or steel shot that is used in blasting.
Chiller: equipment that removes heat from a liquid to produce chilled water, which is pumped through equipment to cool machinery.
Cove Base: a strip that provides a transition between floor and wall. It is usually made of flexible plastic or rubber, but also can be made from tile.
Epoxy Flooring: a durable and tough resin spread on flooring for resistance to moisture, chemicals, and wear.
Epoxy-Novolacs: an extremely strong and superior resin used to protect flooring and factory machinery from wear, chemicals, UV light, and moisture.
Epoxy Paint: paint with resin added that enables it to bond better to surfaces.
Flow Rate: volume of gas or liquid flow per unit of time.
Heat Exchanger: equipment that transfers heat from one liquid to another with no mixing of fluids.
Impeller: a rotating device similar to a propeller that produces suction.
Insulation Coating: paint that provides thermal insulation and corrosion protection to equipment, often significantly reducing surface temperature.
Metal Brake: a machine that will fold, bend or flange metal.
Metal Fabrication: the manufacture or construction of metal structures or devices such as weirs, railings, conveyors, etc.
MIG (Metal Inert Gas) Welding: also known as wire-feed welding or Gas Metal Arc Welding (GMAW); a process in which wire fed from a spool passes through a gun along with inert gas, creating an arc that causes coalescence of metal pieces.
Millwright: a skilled tradesperson who builds and maintains milling machinery.
Plasma Cutter: a machine that combines a high-voltage arc with compressed gas to create plasma for cutting electrically conductive metals.
Plate Rolling: a process used to form metal plates to a specific curve or radius to form arcs, rings, cylinders, shells, tanks, and cones.
Plural Spray Equipment: a two-component airless sprayer that regulates and maintains optimal heat levels of the base and activator before the parts are mixed and transferred through the hose to the spray gun.
Polymer: a substance (e.g., plastic) made of molecules with a large molecular mass composed of repeating chemical units and connected by covalent bonds.
Polymeric Coating: paint made with polymers that provide superior adherence and protection from heat, chemicals, salt, and moisture.
Polyurea Liner: a covering made with polyurea, a substance that is inert (chemically nonreactive), safe, durable and strong. Polyurea liners provide a resilient and seamless membrane that is waterproof; resistant to various solvents, caustics and mild acids; and has low permeability.
Polyurethane Coating: paint that contains a urethane-containing polymer; provides excellent adhesion and hardness and resists chemicals, wear, and moisture.
Primary Containment: the first level of containment. The material being contained comes into immediate contact with the inside of the tank.
Sandblasting: a process used to clean or prepare a surface by propelling a stream of abrasive material (such as sand, coal slag, or metal shot) against it.
Secondary Containment: a container or structural barrier (such as galvanized steel or a bermed area of coated concrete) that is placed under or around a vessel to capture spills or leaks from the primary containment.
Stainless Steel: an alloy of steel, containing chromium and other metals, that resists corrosion and staining.
Steam Trap: a device that releases condensed steam, but prevents the escape of live steam.
TIG (Tungsten Inert Gas) Welding: also known as Gas Tungsten Arc Welding (GTAW); a process in which an arc is formed between a tungsten (nonconsumable) electrode and the workpiece. Used to produce a finer weld appearance for high-quality and high-precision applications.
Tube Bending: a process for forming square or rectangular tubes to a specific degree or angle for use as arc, curves, or Z-sections. Generally used to form a more defined turn than does tube rolling.
Tube Rolling: a process for forming square or rectangular tubes into arcs and curves at specific radii. Generally used to form more gradual curves and larger arcs than does tube bending.
Tube Sheet: a mounting plate to which the tubes are rolled or secured.
Vinyl Ester: a resin used as an alternative to polyester or epoxy materials.
Welding: a melting of two pieces of metal to cause coalescence (or fusion) of the parts.
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