Condec Orion-3A User Manual download pdf

March 2001

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65370

Orion -3A

Precision Pneumatic Controller

Orion-3A Pneumatic Pressure Controller

Part #55287, Patent No. 4.698.998

SPECIAL FEATURES:

• Orion 3A is a variable volume pressure controller with on operating pressure from vacuum to

10,000 psi. It consists of two low torque, fine micro-metering valves with positive shut-off,

adjustable stop and soft seat. The pressure valve controls the inlet pressure and the other

valve vents to atmosphere.

• The vernier is located at the center of the controller and allows the operator a very fine

pressure adjustment (approx. ±5% point max.) without using the pressure or vent valve.

• Selecting the appropriate O-ring material may extend the wide range of gas applications.

• There is one inlet, one outlet, and two test ports. One test port may be used to connect a

pressure transducer or pressure gage standard; the other test port may be used to connect

the unit under test.

OPERATION:

The pressure valve will begin to open when it is turned counter clockwise approximately 15

degrees. Full open position of the valves is achieved with a maximum of 3 1/2 turns from the

closed position. Use the pressure/vent valves to achieve ±95% of the target pressure. The

pressure and vent valves must be closed before operating the vernier. The vernier is a piston

and cylinder configuration, which generates ±5% pressure, or vacuum of the indicated

pressure. The vernier has a fine adjustment sensitivity of .005 psi. Very low torque is required

to turn the vernier... FINGERTIP ADJUSTMENT EVEN AT 10,000 psi!!!!!

SPECIFICATIONS:

• Pressure Range: 0-10,000 psi and Vacuum

• Proof Pressure: 15,000 psi

• Pressure & Vent Valve Orifice: .032

• CV: .007

• Mechanical Rotation: 3 1/2 turns (nom.)

• Torque: Fingertip adjust (even at 10,000 psi)

• Vernier Volume: .4 cubic inch (nom.)

• Mechanical Rotation: 15 turns (nom.)

• Adjustable sensitivity: .005 psi

• Construction: 300 Series stainless steel body, aluminum knobs, black anodize. All other parts 300 series

stainless O-Rings Viton “V” STD, others available. (Aluminum body available for lower pressure ranges up to 2000

psi. Refer to Model: Orion 2C Pressure Controller.)

• Weight: 7.0 lbs.

• O-ring repair kits: Buna-N (part #58499); Ethylene-Propylene (part #58506);

Silicone (part #58509); Neoprene (part #58515); Fluorocarbon “Viton” (standard) (part #55277).

Note: Various O-ring materials may be installed in Orion-3A by special order, but may not be rated for 10,000 psi.

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Summary of Contents

Page 1 - Orion -3A

Page 2 - March 2001

Page 3 - Bill of Material

Page 4

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Condec Orion-3A User Manual

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