Engine Management

ChalwynChalwyn

Pneumatic operated valves

Click to enlarge

Model #: Air Intake Valve - PVX, PVA

Features

  • Pneumatically operated air intake closure
  • Application of air to close or to open

Product Description

Pneumatically operated diesel engine air intake closure valves with variants for both hazardous and non-hazardous areas.

Body and disc manufactured in corrosion resistant hard anodised aluminium with PTFE coating.

PVX - Click here for the data sheet
Available in three sizes: 3", 5" and 8" in basic flange mounted form or supplied fitted with hose adaptors.

/images/Chalwyn/PVX.jpg

PVX-300, PVX-500 & PVX-800
Air pressure must be applied to these PVX valves to open to the engine run position and needs to be maintained between 4 and 8 bar to hold the intake valve fully open whilst the engine runs.

PVX-301, PVX-501 & PVX-801
With no air pressure applied to these PVX valves they will be fully open and the engine may run. To carry out an emergency stop, apply an air pressure of 4 to 8 bar to close the intake shut down valve. The supply pressure must be vented before attempting to re-start the engine.

PVA - Click here for the data sheet
Available in three sizes: 2.8", 3.5" and 5.5" with integral hose connection ends of these diameters.

/images/Chalwyn/PVA_3inch.jpg

PVA-280, PVA-350 & PVA-550
Prior to engine start, air pressure must be applied to these failsafe PVA valves to open to the engine run position.

PVA-300, PVA-500 & PVA-551
With no air pressure applied to the PVA valves, they will be naturally sprung fully open and the engine may run.

Engine Management Categories

Control Panels

About Our range of Control Panel products monitor and control compressors, pumps, generators, and more. Control systems for industrial operations monitor pressure, temperature, liquid level, overspeed, time and vibra­tion. They cover it all, from simple start/stop operations to sophisticated automation systems incorporatiing micro controllers and remote telemetry. Give us a call at our head office on 03 9358 5555 and press Option 1.  

Chalwyn

About CHALWYN is a leading manufacturer of safety products for diesel engines which are required to operate either in hazardous areas where combustible gas, vapors or dust may exist, or in situations demanding special safety precautions.   Following the introduction of the original and very successful CHALWYN D VALVE in 1972, the CHALWYN diesel engine safety product range now includes automatic over speed air and fuel shut off valves, air pressure, oil pressure, manual and electrically operated air intake shut down (shut off) valves, flameproof alternators, and exhaust spark arrestors.   Give us a call at our head office on 03 9358 5555 and press Option 1.   Chalwyn is a division of AMOT, a wholly-owned subsidiary of Roper Technologies, Inc (NYSE: ROP), a publicly traded company.

Axiomatic

About Axiomatic provides electronic machine controls, components, and systems to the off-highway, military, power generation, material handling, industrial and alternate energy OEM markets. We provide efficient, innovative solutions that focus on adding value for our customers. An emphasis on service and partnership with our customers, suppliers, and employees builds long term relationships and mutual trust. Axiomatic is proud to be a qualified supplier to a number of major equipment manufacturers worldwide. Axiomatic focuses on its core competencies in controls engineering to reduce design costs, improve schedules, and develop an innovative product line. Give us a call at our head office on 03 9358 5555 and press Option 1.

Other

List of distributors, ads brochures and industry links. 
Macquarrie

Contact us



Ask us a question

Search for a product