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  PPH Series (Explosion Proof) - With Hermetic Scroll Compressor


• Wide Range of Capacities:

PPHa - R 134a-   3.2 T.R. to 116 T.R. @ 50 Hz - 3.6 T.R. to 130 T.R. @ 60 Hz
PPHc - R 407c-   2.8 T.R. to 205 T.R. @ 50 Hz - 3.2 T.R. to 227 T.R. @ 60 Hz
PPH4 - R 410a-   2.8 T.R. to 197 T.R. @ 50 Hz - 3.2 T.R. to 221 T.R. @ 60 Hz 

• Quiet operation

• Compact design

• Custom-made designs


Our rooftop package units are highly efficient and designed for use in commercial and industrial applications. They can be equipped with optional controls and accessories to fit customer requirements. Our packages are designed for quick and easy installation. These units may be used for cooling and heating.

Our Explosion proof package are designed to meet the demanding requirement of hazardous locations applications such as the petrochemical and oil and gas industries. Units are designed in compliance with the NEC (national electric code) standards and UL 1203 standards and are suitable for hazardous locations under Class I and Class II , division 2, group C +D.


• Hermetic scroll compressor installed on rubber pads isolator

• Unit suitable for hazardous area class 1 div 2

• Unit will be cooling only

• Copper tubes with copper fins with epoxy coated condenser coils

• The condenser fan will be aluminum blade, while the centrifugal fan will be spark proof

• The belt will be anti-static type

• Fully charged

• High & low pressure gauges

• Double skin construction with fiber glass insulation & stainless steel drain pan

• Epoxy paint for all exposed copper piping

• Cu/Cu coil suitable for outdoor installation

• Microprocessor controller

• Wiring method will be flexible liquid tight type and sealing fitting

All models specifications are subject to change without prior notice.
Petra Engineering Industries Co. is a market leader as a designer and manufacturer of sophisticated, high quality commercial and industrial HVAC equipment.
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Disclaimer: “These are pictures of representative customers who have purchased air conditioning, heating, refrigeration or ventilation equipment from Petra Engineering Industries. Our inclusion of these pictures should not suggest that these customers endorse our products."