Pressure Controls

The Specialty Mfg. Co. manufactures a complete line of flow and pressure control valves in the style, material, and configuration your application requires. Our rigorous quality control system ensures consistency in design and reliable performance. All products are designed and manufactured in the USA.

Standard products include flow restrictor valves, balanced pressure regulators, pressure unloaders, swivels, chemical injectors, thumb-guns, and rollover valves.

If you have product questions or would like to discuss options for custom pressure control valves, our technical service team is here to help.

003 Series Pressure Unloader

M Series Swivel

M90 Series Swivel

M91 Series Swivel

M92 Series Swivel

M93 Series Swivel

515 Series Thum-Gun

555 Series Balanced Pressure Regulator

555SS Series Balanced Pressure Regulator

556 Series Balanced Pressure Regulator

579 Series Balanced Pressure Regulator

588 Series Chemical Injector

685 Series Flow Restrictor Valve

687 Series Flow Restrictor Valve

693 Series Flow Restrictor Valve

694 Series Flow Restrictor Valve

711 Series Rolover Valve

713 Series Rolover Valve

900 Series Swivel

901 Series Swivel

902 Series Swivel

928 Series Swivel

990 Series Swivel

Find a Distributor Near You!

We partner with distributors nationwide to stock high-quality fittings from The Specialty Mfg. Co. Use our distributor locator to find someone near you!

Configure Your Valve Solution

Configurator Tool

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New nylon suction strainers are available immediately. Suction strainers provide protection in liquid or air applications by trapping debris before it can enter and damage downstream system components. Many popular sizes can ship next day. Specialty Manufacturing Company suction strainers – also commonly referred to as sump strainers – feature type 304 stainless steel mesh sizes from 4 to 100 with a 1/8″ to 3″ Nylon NPT base. These strainers are rated for continuous use up to 200°F, and custom mesh sizes are available. CAD models and product drawings for the complete offering.