ATI L & HDL series are piston operated valve actuators that use air pressure or natural gas to provide the force required to open, close and control rising stem valves. 

The ATI Local Auto-Manual Control module is based on proven, hi-pressure pilot-type poppet technology. ATI has utilized this technology for many years in our Dual 3-way Poppet Control Valve to provide the selective directional control of the power media for any Direct Gas, Gas-Over-Oil, or Hydraulic valve actuator. The local Auto-Manual function is integrated with the poppet valve assembly utilizing a commercially available 3-way stainless steel ball valve with a stainless steel lockable handle, eliminating large levers. 

The poppet valve combines design simplicity with corrosion-resistant materials and easily replaceable nylon poppets to provide reliable, durable operation. With working pressures up to 3000 psig, the Dual 3-way Poppet Control Valve utilizes direct pipeline pressure gas for both power gas and pilot media, eliminating the need for any regulators or special low-pressure control supply systems and significantly increasing the system’s reliability. The compact design has multiple inputs and outputs to provide a central point of all final actuator control actions. 

The sure action control of the Poppet Valve is achieved utilizing a pilot pressure on a piston to pop the nylon seals into the seat. This provides quick response and zero-leak control of the power gas directly to the actuator or to the hydraulic tanks. The poppet design allows for a full 3/8” flow port, providing high flow rates while handling contamination, and preventing atmospheric contaminants. 

Hydraulic Hand Pumps (In Stock)

The ATI Hydraulic Hand Pump provides an efficient back-up system for opening and closing valves when power gas for pneumatic actuators or power hydraulic fluid for hydraulic actuators is not available. Utilizing a balanced piston design eliminates the possibility of cavitation or creating a vacuum because the pressure on either side of the piston is always equal and both cavities are always full of oil. The high flow capacity provides easy and efficient manual opening and closing of even the largest valves. 

Typically hand pumps on pneumatic actuators will have a self-contained reservoir while hand pumps on hydraulic actuators will share the same reservoir as the power unit. 

The Hydraulic Hand Pump includes an automatic reset function on the open/close selectors to prevent inadvertent movement of the pump handle when power gas or power hydraulic fluid is re-introduced. This feature automatically resets the pump to the neutral position when gas pressure or hydraulic pressure is detected. 

A pressure relief button is provided to relieve any internal pressure after pumping is complete. This allows the pump ram to be retracted into the pump, out of any hostile atmosphere. 

Solenoids (IN STOCK)

The shuttle valve permits flow from either of two inlet ports to a common outlet. A free floating metal ball shuttles according to the relative pressure at the two inlets. The higher pressure inlet flows through the valve and moves the ball to close the opposite inlet. Kepner's Flexible Seal Seat™ combines metal-to-metal contact with a resilient seal seat to ensure bubble-tight shutoff of liquid or gas, and long service life. Shuttle valves can also flow in the reverse direction, and relieve system pressure when input is removed. Standard and specialty valves handle a wide variety of control applications, including use in logic circuits, for pilot signal input and venting, dual input pilot control, and for switching to alternate or standby systems. 

Relief Valves for Panel Protection (IN STOCK)

High Pressure Exhaust Mufflers (In Stock)  

Sensors  

In stock bottom, back, and panel mount gauges.

CD Services can provide bracket and couplings for mounting any valve to actuator packages.