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HDK-CNG High Pressure Adsorption Dryer for CNG (up to 250 barg)
Brand: Parker HannifinIn Natural Gas Vehicle (NGV) Refuelling stations it is imperative that the CNG is both dry and clean before it is transferred to storage cylinders and dispensed into vehicles’ fuel tanks to limit the amount of damaging dirt and water entering the power train.
The high pressure of the fuel (200 bar plus) means that effective drying in particular is critical.
NGV Refuelling stations employ point-of-use dryers to ensure that CNG dispensed into storage cylinders and fuel tanks is dry and clean.
The Parker Zander HDK-CNG Series High Pressure dryer range has been designed as a compact, cost-effective packaged system combining high-efficiency filtration with a regenerative adsorption dryer which operates without the need for any gas to be lost in the regeneration cycle.
The traditional method for drying natural gas has been to locate the dryers on the suction (low pressure) side of the CNG compressor.
At low pipeline pressures this means the dryers are very large which has a significant impact on capital cost.
The HDK-CNG Series dries the gas on the discharge (high pressure) side, making the dryer much smaller and thus significantly reducing the capital cost as well as the overall product footprint.
Operating at pressures up to 250 bar(g) there are four models in the HDK-CNG Series covering flow rates from 250 to 2,000 sm³/h.
The product is approved for PED 97/23/EC and is compliant with ATEX EX II 2G IIB T1.
Specifications
Brand
After-Filter Part Number
- GH/CNG Series
Approvals & Certifications
- PED 97/23/EC & ATEX EX II 2 G IIB T1
Connection Type
- BSP-P
Depth (inch)
- 30 - 36
Depth (mm)
- 763 - 914
Dryer Technology
- Heat Regenerative Adsorption
Electrical Requirements
- 400 V, 50 Hz
Flow Rate (cfm)
- 147 - 1177 @ 3625 psig
Height (inch)
- 70 - 83
Height (mm)
- 1771 - 21110
IP Protection Rating
- IP66
Maximum Ambient Temperature (°C)
- 40° C
Maximum Ambient Temperature (°F)
- 104° F
Maximum Operating Pressure (bar)
- 250
Maximum Operating Pressure (psi)
- 3625
Maximum Operating Temperature (°C)
- 35° C
Maximum Operating Temperature (°F)
- 95° F
Minimum Ambient Temperature (°C)
- 1° C
Minimum Ambient Temperature (°F)
- 34° F
Port Connection (inch)
- 1/2” & 1”
Prefilter Part Number
- GH/CNG Series
Pressure Dew Point (°C)
- -40
Pressure Dew Point (°F)
- -40
Weight (kg)
- 380 - 1100
Weight (Lbs)
- 838 - 2425
Width (inch)
- 39 - 50
Width (mm)
- 990 - 1264