Pdc's reciprocating diaphragm compressor is an oil-free design ideally suited for handling of all
types of gases at high pressures. Gases include argon, ethylene, fluorine, helium, hydrogen, neon,
nitrogen, oxygen, silane and xenon. The non-lubricated diaphragm design assures contamination
free compression
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Gas compressor, high pressure non-lubricated, oil-free reciprocating compressor
PDC designs basic to fully instrumented oil free reciprocating compression systems in accordance with customer specifications.
Compressors range in size from 3 hp(2 KW) to 250 hp(186 KW). Discharge pressures range from 50 psi to as high as 60,000 psi (4,100 bar).).
Two-stage PDC-13 fully instrumented oil-free compressor
Single and two-stage diaphragm compressors for carbon monoxide gas and nickel carbonyl gas.
High pressure non-lubricated compressor carbon monoxide diaphragm compressor. It is CE Marked, Category 3 (Zone 2). This single Stage diaphragm compressor is heat Traced & Insulated Hydraulics for all-climate service. ATEX Certified.
PDC triple diaphragm compressors offer the following benefits:
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- Contamination-free compression - Triple diaphragm construction and elastomeric seals
isolate process gas from hydraulic oil. The quality of gas entering and discharging the compressor are the same
- Filters and Oil Removal Systems Are Not Necessary - Hydraulic oil cannot migrate into the process gas
All process-wetted components are constructed from corrosion-resistant materials such as stainless steel to prevent any
contamination to the process gas. The use of carbon steel in the process system results in corrosion,
contamination and ultimately leads to premature failure of diaphragms, increases cost of spare parts,
maintenance frequency and causes more down-time.
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Superior diaphragm life - All aspects of diaphragm compressor design are intended to enhance component life,
improve operability and reduce and simplify maintenance. Diaphragm cavity contours, which control stress in
the diaphragms, are carefully controlled to provide uniform stress distribution. These cavity contours are
computer engineered utilizing Finite Element Analysis techniques, which results in our state-of the-art
design. Special manufacturing processing is used on the diaphragm surfaces to enhance fatigue life
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Extended Diaphragm Life - Many of our customers have experienced continuous running times of 10,000 to
40,000 hours between routine maintenance minimizing the need for spare parts replacement
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Low Maintenance - Typically, only routine oil changes are necessary
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Unique Oil Distribution System - The hydraulic system is designed in such a way as to assure uniform
diaphragm deflection, prevent knocks, vibration, cavitation and yield smooth, quiet compressor operation. Unique, oil
distribution techniques are employed to eliminate pressure differentials and gradients. The system utilizes an
automatic priming pump, positive displacement high-pressure injection pump and oil relief valve with bypass valve
for easy and smooth starting
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Safe - For compression of highly reactive gases, PDC uses non-flammable hydraulic fluid and
wetted materials of construction are compatible to the reactive gas
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Environmentally safe -Our crank-cases do not need to be purged or vented. Therefore, there is
no leakage of gas into the atmosphere
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Fast acting Leak Detection System - To detect and indicate diaphragm and seal failure
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Safety interlocks - Features include alarms and shutdowns for low suction, high discharge,
low oil, low water coolant, diaphragm and or o-ring failure. The compressor will be completely
instrumented for automatic operation
An application that would require two stages on a reciprocating compressor can be handled with one
stage by a diaphragm compressor. This reduces costs and maintenance.
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Soft, High-Strength Plastics for Check Valves - Reduce leakage, improve efficiency, extend equipment life, and reduce noise levels
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Below 85 dBA @ 1 meter - Extremely low noise level without the need for sound proofing enclosure
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Duplex and multi-stage designs are available
to accommodate a wide range of pressures and flows
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Duplex units are capable of compressing different gases simultaneously
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Simplex units are field-convertible to increase flow
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Duplex units provide twice the flow with 1/3 Hp consumption
