TECHNOLOGICAL AND ENGINEERING BREAKTHROUGH… A single thermoplastic valve, designed for severe service applications with virtually every type of liquid. For pressure, drain or vacuum service. Sizes: 1/4" to 1". (read more)

Solenoid Valves Solve Chemical Feed Problems in Waste Treatment System

A patented "Fail Dry" vent provides advance warning of a primary seal failure, yet allows operations to continue until maintenance can be scheduled. (read more)

Engineered Plast-O-Matic Red Kynar Ball Valves are available now in all 2-way formats, 3/8" - 2" sizes with virtually any connection type including socket, NPT, BSP, and metric sockets. (read more)

Plast-O-Matic Project Engineer Mike Zwerin provides a side-by-side comparison of the old design, left, versus the robust new design. (read more)

Series UPRS complements the Series UPR non shutoff design to provide the ultimate purity in process control for deionized water and other critical applications. (read more)

Components treated with proprietary boil/acid/scavenge cleaning for minimal particle shedding (read more)

Safegurading processes with superior pressure & flow Control (read more)

• Water Treatment
• Agriculture
• Food Processing
• Dialysis
• Surgical Equipment

Our valves are found in high purity and corrosive process piping systems that ensure safe water, healthy food and beverages, and many other liquid processes that impact daily life. We also control system flow and pressure in countless hospitals and pharmaceutical plants worldwide. (read more)

HIGH CYCLE LIFE AIR-OPERATED PINCH VALVE PATENT PENDING EPDMH2 ELASTOMER SLEEVE DESIGN (read more)

Air-operated pinch valve designed for corrosive slurries; long-life EPDMh2 sleeve with a variety of pipe sizes and connection materials. (read more)

Compact globe-style shut off valves in PVC or Polypro with elastomer seals. Wide range of sizes and connection types. Normally closed operation; ideal alternative to fail safe air-operated ball valves. (read more)

Ideal for corrosive applications requiring bubble-tight shutoff, with high inlet or outlet pressure (read more)

Engineered Plast-O-Matic Red Kynar Ball Valves are available now in all 2-way formats, 1/2" - 2" sizes with virtually any connection type including socket, NPT, BSP, and metric sockets. (read more)

Series ECWS supply-side or Series ECWR return side are express-built assemblies in the most popular configurations to simplify piping and provide superior strength. PVC construction with EPDM seals and socket connections; the only selection necessary is the flowmeter range on the return side. (read more)

Plast-O-Matic Valves, Inc. now offers Anti-Siphon Valves to protect chemical process systems from unwanted tank siphoning, permitting flow only under controlled pumping. (read more)

In certain circumstances, pockets of compressed air can cause catastrophic failure in a liquid piping system (read more)

PVC & CPVC High Performance Pressure Regulators Now Certified NSF-61 (read more)

The Best Ball Valve Is Now Available with BCF Butt-Fusion Metric Spigots. Now with spigot connections...fully compatible with Polypure, Beta, Purad and Sygef systems! (read more)

• Prevent reverse flow.
• Prevent liquids from mixing.
• Prevent tainted liquids downstream from mixing with a pure supply, similarly…
• Prevent treated liquids downstream from backing up into the original untreated source.

• Engineered Ball Valves that provide performance, longevity, and value that is superior to all other brands.
• Available in Grade 1, Type1 Geon® PVC, Corzan ® CPVC, Natural Unpigmented Polypro, Kynar ® PVDF, and custom materials.
• Ball Valves manufactured in USA since 1983.
• Million-cycle design – 3 year guarantee

By knowing how to avoid situations that will create water hammer or pulsations during the specification process, or while trouble shooting, you can eliminate a lot of problems, failed valves and equipment, and costly downtime. (read more)

The what, how, where & why of degassing valves, with technical details, explanation of function, installation notes, dimensions, and more..... (read more)

The combination of a pressure regulator at the beginning of a system, and a backpressure regulator at the end of a system, will ensure balanced pressure throughout the system. This is a simplification, of course, and the specifics within any given system can vary greatly. (read more)

Plast-O-Matic Valves'' Andy Ryan describes the use and function of a normally-closed, 2-port "relief/backpressure" valve at the downstream end of a closed loop piping system. The valve is used to regulate backpressure, so that the system will maintain a desired, pre-set pressure to points of use. (read more)

Static method for setting a pressure regulator, also known as a pressure reducing valve. By setting statically, Series PRHM assures that pressure will not "creep" across the valve and exceed the set point (read more)

Gauge Guard isolates the transducer, eliminating corrosion and contamination. A flexible barrier prevents the process fluid from entering the instrument. Pressure on the process side flexes it, transmitting the pressure to the instrument. Conversely, vacuum pulls the diaphragm, creating an equal vacuum in the isolated instrument. (read more)

Acrylic material shows float opening as air or gas collects in the valve, then closing after degassing. Design provides continuous expulsion of trace amounts of gas as it occurs. (read more)

Plast-O-Matic thermoplastic calibration columns are a quick and convenient way to
measure or verify pump flow rates, chemical dosing, or chemical feed systems with higher
accuracy than competitive models. Designed for precise, efficient testing with a variety of
installation options. (read more)

Verify pump flow rates, chemical dosing, or chemical feed systems with higher accuracy than competitive models. Constructed of UV Resistant PVC and designed for precise, efficient testing with a variety of installation options. (read more)

The Stabilizer reacts to downstream liquid pressure and provides continuous feedback control to the compressed air supply, for even greater regulator sensitivity and performance. (read more)

Air Release or Degassing?
Differences Between an Air Release Valve and a Degassing Valve (read more)

Series EASMT and EASYMT automatically shut off flow of highly corrosive and ultra-pure liquids. They can handle acids, caustics, solvents, chlorine solutions, sodium solutions, deionized water, reverse osmosis water, brewery processes, etc. and do not require pressure to aid in opening the valve.. (read more)

Overview of "the engineered ball valve" product line from Plast-O-Matic Valves (read more)

We offer an extensive array of process controls to help you address your process and chemical handling needs. Plast-O-Matic Valves, Inc. provides innovative products and technologies, technical expertise and customer support services for municipal water and wastewater treatment customers. (read more)

Plast-O-Matic Valves. Inc. designs innovative process controls that lead the industry in cleanliness and functionality to meet these ever changing demands (read more)

Plast-O-Matic Valves provides the knowhow for handling the corrosive, caustic, and other difficult materials used in metal finishing. Our most popular offerings for this industry include PTFE bellows solenoid valves and by-pass relief valves designed for 2 million cycles. (read more)

Thermoplastic Pressure Regulator
Downstream Pressure Settings From 10 To 125 PSI
Designed for Higher Flow Capacities, and …
Achieved with Less System Pressure Loss! (read more)

A specialty diaphragm check valve that opens with virtually no forward pressure. However, Series CKD requires a minimum back pressure of 1/2 PSI to close. When inlet pressure is sensed the sealing disc is pushed off the valve seat opening the valve. In this position the sealing disc is supported internally allowing the valve to operate under high flow conditions with relatively no force... (read more)

Innovative Design Provides Multiple System Safeguards (read more)

The Series PDS Pulsation Dampener / Suppressor from Plast-O-Matic Valves has an Innovative Design which provides multiple system safeguards. (read more)

Differential Pressure Indicator

Series DPI Indicator designed to show at a glance if maximum filter pressure has been exceeded. 1/8″ FNPT connections with 0-15 PSID or 0-30 PSID Gauge; PVC or CPVC. Series DPIS includes optional switch. (read more)

Introduction to the complete line of backpressure valves offered by Plast-O-Matic (read more)

Introduction to the line of pressure regulators -- also known as pressure reducing valves -- offered by Plast-O-Matic. (read more)

Training & Seminars
Self-Training Powerpoints

As the performance leader in the development of plastic valves and controls, Plast-O-Matic provides a complete line of standard and custom designed solutions for difficult applications. (read more)