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CONRADER

For more than 90 years, Conrader has been offering high-quality valves and compressed air controls for the compressed air industry. The company is located in Erie, Pennsylvania, United States. Read More

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Pneumatic System ComponentsView all

  • Pneumatic Check Valves

    In-line and in-tank check valves suitable for use in compressed gas and pneumatic systems to regulate flow in one direction only. Feature brass construction, reinforced PTFE seal, FNPT / MNPT connection and pressure rating of up to 500 psi

  • Pneumatic Muffler
  • Pneumatic Safety Valves

    Soft- and hard-seat safety valves ideal for protecting pressure vessels and systems from damage due to over-pressure. Consist of an elastomer / metal-to-metal seal and can withstand pressures ranging from 25 to 300 psi. Pressure relief valves also available

  • Pneumatically Operated Drain Valves

    Includes brass made automatic drain valves designed to empty a vessel, container or a process line. Feature a 1/4 x 1/4 inch brass tee, a manual drain cock, an 8-ft-long nylon tubing and a push connect fitting

ValvesView all

Air Compressor AccessoriesView all

  • Compressor Air Filter
  • Compressor Valves

    Brass made pilot valves designed for use in compressed air systems to control other devices using a pneumatic signal. Have an operating pressure range of 2 - 200 psi and feature stainless steel ball and spring. Blow down, discharge and unloader valves also available

  • Engine-Driven Compressor Controls

    Cable- and airline-style throttle controls used to regulate the engine speed on gas-driven compressors in continuous-run operation. Feature brass construction with Viton seals, a stainless steel / nylon cable and a stainless steel spring. Available in 18, 24, 36, 48 and 54-inch cable lengths

About Conrader

The company's product line includes throttle controls, as well as check, safety relief and micro & unloader valves. Conradar air compressor control valves are designed to drain excess fluid to the tank (with little or no pressure) to prevent pumps and system components from surge shock damage. These unloader valves feature a maximum working pressure of 175 psi and have a brass body featuring stainless-steel ball and spring mechanism. They have a maximum operating temperature of 500 degrees Fahrenheit and a maximum flow rate of 60 cfm. The company's soft seat safety valves protect pneumatic systems from damage due to overpressure. These Conrader relief valves feature a silicon seal, brass body, stainless steel spring and set pressure range of 25-250 psig.

Things To Consider

Cross-Reference Alternatives

Conrader MPNs cross individual references to the equivalent Dixon, Honeywell, AME and Anvil for categories like pneumatic system components, pressure & control valves and pipe & tubing. So, if you're looking for a competitor item that is either out of stock or obsolete, chances are Raptor Supplies has the equivalent Conrader products available.

Shipping

These Conrader products range from small to large sizes. They may require careful packaging as some items might get damaged while shipping. Hence, these Conrader items are delivered by courier shipment and air freight for minimum downtime.

Major Trade Names

Micro Valves

The brand's Micro Valves feature a unique, over-centre snap-action for a quick response and have no sliding seals, packing or tight-fitting moving parts to leak or wear out. They are immersion tested ...Read More 

D-Series Discharge Valves

Conrader D-Series discharge valves are suitable for constant-speed applications where intake unloaders are not present. They feature a plot device that sends a signal to open the valve at the set unlo...Read More 

In-Tank Check Valves

These valves are designed for compressed gas and pneumatic systems. They open to allow flow in one direction and close when the flow stops or reverses. They feature brass bodies, reinforced PTFE seals...Read More 

Hard Seat Safety Valves

Conrader safety valves feature a metal-to-metal seal to protect air compressors from overpressure damage. They are fatigue resistant, offer the best chemical compatibility and can withstand high tempe...Read More 

Conrader Competitive Advantages

Smart Start Inlet Control Filter

This filter allow compressors to reach full speed before running under loaded conditions, reducing amperage draw on start-up and eliminating tripped circuit breakers. It compensates for starting voltage drops and allows the usage of multiple tools on the same circuit. This integral inlet filter provides a barrier between worksite contamination and compressor and also improves cold weather & extension cord starting characteristics. It is composed of Nylon material with foamed elements to withstand a maximum operating temperature of 300 degrees F.

Frequently Asked Questions

What is the function of a throttle control?

Conrader throttle controls are suitable for controlling the engine speed of gasoline and diesel engine-driven compressors. They keep the engine at the operational speed until they receive a pressure signal and instantly throttle down the engine until the pressure signal is released.

What is the function of the spring and ball mechanism in pressure unloaders?

The spring and ball mechanism diverts the flow of liquid from the spray nozzle and sends it in a continuous cycle from the outlet side to the inlet side of the pump system. It happens until the operator pulls the trigger gun to stop the process.

How to adjust the unloader valve?

  • Ensure the pressure washer is on a flat surface.
  • Start the engine and keep it at 3700 rpm before load and 3400 rpm under the load.
  • Remove the nylon lock inside the unloader valve and shut off the pressure-adjusting nozzle.
  • Remove the washer and spring from the unloader valve. A threaded piston with two lock nuts is exposed.
  • Tighten the nuts with a wrench.
  • Apply three threads off the bottom and put the washer, spring and nut back in place.

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