Valves & Actuation

Series RVDT In-Line Pressure Relief Valves feature a wetted flat PTFE diaphragm to resist both chemical attack and salt crystallization problems. A large, active diaphragm area provides for smooth, chatter-free operation. Relief setting is infinitely adjustable from 5 PSI to 100 PSI. This design functions as a relief valve, by-pass valve, back-pressure valve and anti-siphon valve. The Relief Function protects systems and equipment from over-pressure and pressure surges. The By-Pass Function prevents pumps from “dead-heading”. The Back- Pressure Function maintains necessary reverse pressure in closed-loop systems. The Anti- Siphon Function prevents unwanted chemical siphoning, if city water pressure drops to zero, and changes in elevation create negative pressure. Series RVDT relief valves are constructed of Type 1, Grade 1 PVC, CPVC, Polypropylene, PTFE or PVDF Kynar® body materials. The wetted diaphragm is PTFE, energized by a non-wetted Viton® diaphragm. Springs (not in wetted area) are zinc-plated steel, fasteners are stainless steel and the adjusting screw is polyethylene. 

Series RVDT In-Line Pressure Relief Valves feature a wetted flat PTFE diaphragm to resist both chemical attack and salt crystallization problems. A large, active diaphragm area provides for smooth, chatter-free operation. Relief setting is infinitely adjustable from 5 PSI to 100 PSI. This design functions as a relief valve, by-pass valve, back-pressure valve and anti-siphon valve. The Relief Function protects systems and equipment from over-pressure and pressure surges. The By-Pass Function prevents pumps from “dead-heading”. The Back- Pressure Function maintains necessary reverse pressure in closed-loop systems. The Anti- Siphon Function prevents unwanted chemical siphoning, if city water pressure drops to zero, and changes in elevation create negative pressure. Series RVDT relief valves are constructed of Type 1, Grade 1 PVC, CPVC, Polypropylene, PTFE or PVDF Kynar® body materials. The wetted diaphragm is PTFE, energized by a non-wetted Viton® diaphragm. Springs (not in wetted area) are zinc-plated steel, fasteners are stainless steel and the adjusting screw is polyethylene. 

This versatile, quarter-turn shut-off valve is ideally suited for a variety of laboratory, system monitoring and OEM applications. Available in IPS sizes 1/4” and 3/8” with choice of socket or threaded end connectors. Optional 1/4” valve & adapter kit provides multiple combinations of tubing and male pipe thread connections. Chemical and corrosion-resistant PVC or CPVC valves will never rust, scale or pit, providing exceptional corrosion resistance. Heat resistant CPVC allows higher temperature applications. All valves are assembled with a water soluble, silicone-free lubricant, for critical applications. Valves with socket end are available on request. Full 150 psi Maximum Internal Pressure at 73°F for the most demanding applications.

This versatile, quarter-turn shut-off valve is ideally suited for a variety of laboratory, system monitoring and OEM applications. Available in IPS sizes 1/4” and 3/8” with choice of socket or threaded end connectors. Optional 1/4” valve & adapter kit provides multiple combinations of tubing and male pipe thread connections. Chemical and corrosion-resistant PVC or CPVC valves will never rust, scale or pit, providing exceptional corrosion resistance. Heat resistant CPVC allows higher temperature applications. All valves are assembled with a water soluble, silicone-free lubricant, for critical applications. Valves with socket end are available on request. Full 150 psi Maximum Internal Pressure at 73°F for the most demanding applications.

This versatile, quarter-turn shut-off valve is ideally suited for a variety of laboratory, system monitoring and OEM applications. Available in IPS sizes 1/4” and 3/8” with choice of socket or threaded end connectors. Optional 1/4” valve & adapter kit provides multiple combinations of tubing and male pipe thread connections. Chemical and corrosion-resistant PVC or CPVC valves will never rust, scale or pit, providing exceptional corrosion resistance. All valves are assembled with a water soluble, silicone-free lubricant, for critical applications. Valves with socket end are available on request. Full 150 psi Maximum Internal Pressure at 73°F for the most demanding applications.