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For more than 50 years, Plast-O-Matic Valves, Inc. has been manufacturing liquid pressure and flow control products for chemical processing, metal finishing and marine organism conservation. Read More





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Shut-Off ValvesView all

  • Air Operated Valves

    PVC / polypropylene valves ideal for handling pure liquids, chemicals, acids and caustics in systems requiring a positive bubble-tight shut-off. Feature an automatic spring closing design for providing high flow rates with minimal pressure drop & unexposed hardware to allow sump mounting

  • Ball Valves

    Lateral-reducing ball valves featuring a true-union design for allowing multi-directional flow while retaining the ball under pressure and a reinforced shaft to eliminate stem breaks. Available in Geon, PVC, Corzan, CPVC, natural PP & Kynar PVDF materials

  • Electric Actuated Ball Valves

    Used for controlling the flow of liquid / gas with automatic voltage sensors for checking inlet pressures. Feature rugged polypropylene construction, anti-condensation heater, thermally protected motor & manual overriding for maximum equipment safety. Available in sizes ranging from 3/8 to 4 inches

  • Pneumatic Actuated Ball Valves

    Designed for automatic ON / OFF switching control of liquid or gas flow in pipelines. Feature sturdy plastic construction with a manual overriding mechanism for shifting the valve back to the energised position and preventing system failure. Available in corrosion-resistant Air X Air actuator model

  • Pneumatic Toggle Valves

    Drain the accumulated liquid from wet benches quickly & efficiently. Feature a pneumatic piston which keeps the unit bubble-tight sealed with up to 25 inches of water level & allows large full strokes for ultra-fast water evacuation. Available in 4-, 5- and 6-inch size variants

  • Sanitary Ball Valves

    Regulate the flow and prevent the entrapment of bacteria in piping systems used in dairy, medical, pharmaceutical & chemical processing applications. Feature an EPDM seal for a leak-free operation and excellent resistance against environmental hazards. Available in sizes ranging from 1/2 to 2 inches

Check Valves and Backflow PreventersView all

  • Check and Foot Valves

    Self-closing thermoplastic valves featuring no internal loose or sliding parts to eliminate chattering and leak-free seals for preventing the reverse-flow of acids, caustics & chlorine solutions. Require a min cracking pressure of 0.5 psi to open the diaphragm

  • Flow Control Check Valves

    Equipped with an EPDM diaphragm capable of deforming under inlet pressure changes to regulate the flow rate and pressure of fluids through pipeline systems. Can operate in temperatures ranging from 40 degrees to 140 degrees F at a maximum pressure of 120 psi

  • Vacuum Breakers

    Prevent the backward siphonage of corrosive fluids & protect structural damage caused during draining. Feature a self-sealing diaphragm to regulate the vacuum pressure fluctuations and hold the vacuum at the pre-set point. Available in pipe sizes ranging from 1/2 to 1 inch

Pressure and Temperature Control ValvesView all

  • Air and Vacuum Release Valves

    Normally open valves used with vacuum breakers to eliminate pockets of air during system start-up. Feature a self-guiding poppet-seal design that doesn't deform under pressure and a true union nut which allows fast valve inspection / removal with minimal pipe breakdown

  • Pressure Regulators

    Suitable for reducing the high inlet pressure of a gas / liquid to a controlled (pre-set) lower output pressure. Feature a PVC body for an anti-leak performance, rolling diaphagrams for pressure sensing & a Fail-Dry safety vent for alerting seal malfunctions. Available in 2 to 8 inch length dimensions

  • Relief Valves

    Designed for relieving excess pressure from a closed piping system by diverting a part of the flow back to the reservoir through an auxiliary passage. Feature a PTFE diaphragm and a thermoplastic body for contaminant-free sealing. Available in 1/2, 3/4 and 1 inch sizes

Solenoid Valves and CoilsView all

  • Pilot Solenoid Valves

    Electrically controlled devices used for opening, closing and regulating liquid and gas flow in hydronic & irrigation systems. Feature PTFE bellows for reducing the vibration, thermal expansion, pressure thrust & piping load. Compatible with pipe sizes up to 2 inches

  • Plastic Solenoid Valves

    Suitable for multi-purpose applications like shut-off, distribution and mixing of fluids in water supply, wastewater treatment & dosing industries. Feature PTFE bellows for excellent flexion capability; ideal for use with all chemicals. Available in sizes ranging from 1/4 to 1 inch

  • Solenoid Valve Coils

    Designed for opening / closing the solenoid valves in both indoor and outdoor applications. Feature a corrosion-resistant polyester casing for protection against harsh environment & 1/2 in NPT conduit for easy connection without disassembling the entire unit

Pipe Fittings and CouplingsView all

  • Gauge Guards

    Protect and isolate pressure or vacuum instruments used with highly corrosive liquids and ultra-pure fluids. Feature a diaphragm for protection against system clogging & stainless-steel inserts preventing overtightening conditions. Available in PVC, CPVC, polypropylene & PVDF body variants

Liquid Level Gauges and Sight IndicatorsView all

  • Window Sight Flow Indicators

    Used for measuring the liquid flow rates, through a closed system, at a maximum line pressure of 200 psi. Feature sensors with switches to initiate the alarm, activate other equipment or shut the system. Integrated with a PVC constructed screen for quantitative readout

About Plast-o-matic

Plast-O-Matic's product line includes industry-grade plastic valves, regulators, solenoid valve coils and flow indicators. Ultra-Pure pressure regulators by Plast-O-Matic are suitable for reducing the high inlet pressure of a gas / liquid to a controlled (pre-set) lower output pressure. They feature PTFE or Kynar PVDF construction to ensure UV stability and abrasion & flame resistance. These regulators have a TFM convoluted diaphragm to provide maximum sensitivity without elastomers and can withstand inlet pressures up to 150 PSI. The brand's FC Series check valves are designed to maintain uniform flow, with inlet pressure fluctuations ranging from 15 to 120 PSI (accuracy of +/-15%). They deliver a maximum flow rate of 120 GPM and can be operated at temperatures ranging between 40 and 140 degrees F. Raptor Supplies is a trusted Plast-O-Matic distributor offering a wide range of Plast-O-Matic flow control valves, gauge guards and pulsation dampeners.

Things to Consider

Cross-Reference Alternatives

Some Plast-O-Matic tools cross individual references to the equivalent Parker, Banjo or Dixon model numbers. So, if you're looking for a competitor tool that is either out of stock or obsolete, chances are Raptor Supplies has the equivalent Plast-O-Matic tool available.


These Plast-O-Matic tools range from small to large sizes. They require careful packaging as some tools might get damaged while shipping. Hence, these Plast-O-Matic tools are delivered by courier shipment and air freight for minimum downtime.

Major Trade Names

RVT Series Relief Valves

They are used for controlling pressure in fluid or compressed air systems. They have a solid, non-sticking PTFE shaft that passes through three U-cup seals to prevent sticking while isolating the spri...Read more 

PS Series Pilot Operated Solenoid Valves

These valves automatically shut off the flow of ultra-pure and highly corrosive liquids such as acids, solvents, caustics, sodium solutions, chlorine solutions, reverse osmosis water and deionised wat...Read more 

PRD Series Pressure Differential Regulators

These differential pressure regulators are suitable for controlling the pressure difference across downstream system equipment. They are made of plastic to withstand a maximum inlet pressure of 150 PS...Read more 

Plast-o-matic Competitive Advantages

Fail-Dry Vents

These patented Fail-Dry vents allow valves with a failed seal to operate until convenient maintenance can be planned. They use a vented chamber to divide two sealed valve portions. The operational chamber commonly houses a spring in a pressure valve, a spring / air chamber in a cutoff valve and a core tube in a solenoid valve. The primary seal (the one in contact with the liquid media) will degrade before the secondary seal as it is under pressure. These Fail-Dry vents help in tracing the amount of liquid leaking out and into the chamber when the primary seal starts to fail. The operative chamber is kept separate by the secondary seal, keeping it dry.

Frequently Asked Questions

Where is the headquarters of Plast-O-Matic located?

The company is headquartered at 1384 Pompton Ave, Cedar Grove, New Jersey, United States.

What are Plast-O-Matic sanitary ball valves?

These valves regulate the flow and prevent the entrapment of bacteria in piping systems used in dairy, medical, pharmaceutical & chemical processing applications. They feature an EPDM seal for leak-free operation and excellent resistance against environmental hazards.

What is the temperature range of Plast-O-Matic flow control and check valves?

These valves can be operated at temperatures ranging from 40 to 140 degrees F at a maximum pressure of 120 psi.