Top Valve Product Group Picture of Valves

Top Valve

Back Pressure and Pressure Relief Valves

Available in a variety of connection sizes, types, and materials, Top Valve Back Pressure and Pressure Relief Valves can be customized for your application.

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AccuDraw Calibration Cylinders Glass and Plastic


Calibration Cylinders

Available in PVC, Polypropylene, and Glass, Accu-Draw Calibration Cylinders help ensure the accuracy of your metering pump system.

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PFS Injection Quills in Metal and Plastic

PFS Injection Quills

Male x Male and Female x Male Connections

Available in various sizes, lengths, and materials, PFS Injection Quills can be customized for your project requirements.

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PFS Corporation Stops in Metal and Plastic

PFS Corporation Stops

PFS Corp Stops are designed to inject chemical into the center stream of flow. They include an isolation valve which allows ease of maintenance.

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Pulsation Dampeners with Dome and Flat Tops


Pulsation Dampeners

Accu-Pulse Pulsation Dampeners are normally installed downstream of the pump in order to reduce the pulsating flows common for positive displacement pumps.

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Accu-Vent Automatic Degassing Valve in Metal and Plastic


Automatic De-Gassing Valve

Accu-Vent is designed to automatically vent gases and vapors that are commonly released from chemicals such as Sodium Hypochlorite, Hydrogen Peroxide, or Sulfuric Acid.

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Accuguard Gauges


Gauges & Diaphragm Seals

ACCUGUARD Pressure Gauges help to ensure that optimal pressures are monitored and maintained, and our Diaphragm Seals are designed to protect and isolate pressure gauges and expensive instrumentation.

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Rotameter with red float and dual graduations


PFS Rotameters have been designed to measure the flow rate with high accuracy.

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