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daughter station compressor products

The characteristics of H series hydraulic piston compressors

  • Displacement increase: 10% increase of efficiency over same power type
  • Low failure rate: Single unit non-failure operation time can reach up to 10000h. Dozens of hydraulic compressors running in China for nearly 15 years with good condition
  • Space optimization: save up to 20% space occupation. Minimum size only L2920xW2560mm
  • Low noise: focus on environmental requirement; quiet product, can achieve lowest noise 65dB(A) @1m from sound-proof cover
  • Super low loss: average gas loss lower than 0.01%, almost non-leaking. Dramatic save on operation cost
  • Lower power consumption: average reduction 15% on power. Piston reciprocating movement can compress in both directions; optimized single motor.
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H series hydraulic piston compressor

Comparison between our products and domestic ones

Prova Hydraulic Piston Compressor technology Comparison with other products of same specification

Item

Prova mechanical compressor

Other brand mechanical compressors

Main Compressor

Italian Made advanced main compressor with superior performance

Designed and produced in China, with less processing precision and performance

Displacement

10% more displacement under same inlet condition and capacity

Small displacement under same inlet condition and capacity

Electricity consumption

10% lower electricity consumption for unit standard gas compression compared to Chinese made compressors

High electricity consumption for unit standard gas compression

Space occupation

Whole skid occupies space as little as 2920x2240(mm)

Whole skid occupies roughly 5000x2420(mm)

leakage rate

Low (0.01%)

High (around 0.1%)

Cooling method

Close-loop hybrid cooling for better result, small space, included inside skid, and no extra cost

Usually use wind or water; insufficient in case of wind; in case of water, need extra investments on cooling tower, water tank, softener and recycling pump, etc. big space occupation, complicated structure, high installation cost and long construction period.

Hydraulic oil pump

Imported double vane pump with even flow and big displacement, high efficiency and low noise. Zero replacement needed once put into use

Chinese made piston pump with fluctuating flow rate, smaller displacement, bigger noise and higher failure rate

Main motor

Single motor with less failure rate

Double motor unit with higher failure rate

Piping connection

Normally use imported valves, connectors and by way of flared connection, superior sealing performance

Usually use Chinese made valves, connectors, flanges by way of welding connection, mediocre sealing performance

Wearable parts

Small in quantity, lifespan no less than 5000 hours

Quite some, lifespan usually less than 4000 hours

Failure rate

Low, on average less than 3 failures annually

Higher failure rate, average annual failure rate could reach 12

Maintenance

Long maintenance intervals with small workload, short time and low cost

Frequent intervals, heavy workload involved, long time and high cost

Safety

3 level safety protection measures, high reliability

2 level safety protection measures, common reliability

Noise

1m from sound-proof cover ≤65dB (A) (standard)

Usually 75-85dB (A) @ 1m from sound-proof cover

Lifespan

25 years

20 years

Workflow chart of CNG daughter station

H series curve chart


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400-810-6036