Duplex, Enclosed Compressor System for Fueling Vehicles with Natural Gas (CNG): 10 to 100 HP, Air Cooled Design
10to60HP.jpg)
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MODEL:*(HP = total motor HP) |
UR40DE - (HP)* |
UR50DE - (HP)* |
UR65DE - (HP)* |
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Manufacturer: |
Universal Air Products GPD |
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Power (Electric Motor):* |
10 to 40 HP* |
20 to 30 HP* |
60 to 100 HP* |
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Inlet Pressure: |
1 inch WC or higher |
1 inch WC or higher |
1 inch WC or higher |
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Discharge Pressure: |
6000 psig maximum |
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Flow (subject to inlet /outlet): |
10 to 50 SCFM |
20 to 70 SCFM |
40 to 160 SCFM |
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Vehicles fueled / day: |
Consult sales representative |
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Compression Stages: |
4 |
4 |
4 |
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Cooling System Design: |
Air |
Air |
Air |
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Electrical Classification (USA) |
NEC NEMA Design 7, Class 1, Division 2, Group C, D |
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Electrical Voltage / Hz |
200 to 575V (50 or 60 Hz) |
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Electrical Phase (Ph) |
1 Ph to 10HP; 3 Ph all HP |
1 Ph to 10HP; 3 Ph all HP |
3 Ph |
* Larger HP Systems Available
Additional NG Compression System Features Include:
o Structural steel base frame, fork-liftable
o Full system steel enclosure with oil-resistant, sound and ambient insulation; ventilation
louvers and fans; pitched roof with ridge vents, heat reflective roof panels; lift-off (trigger latch)
16 gauge steel access panels,
o PLC (programmable logic control)
o Digital message board with fault history and real time readings for all sensors
o Common fault indicator light for programmed shutdown conditions
o Duplex, full voltage motor starter and electrical control system mounted and wired
o Control voltage circuit with step-down transformer
o Motor overloads
o Power-on light
o Emergency kill (mushroom) switch
o On-off switch for start/stop control (two-way switch)
o Face gauge panel, including 1st stage thru final discharge pressure and oil pressure
o Face gauge for final system pressure prior to the pressure maintaining valve
o Discharge pressure sensor with infinite setting control and multiple set points
o Low and high inlet pressure sensor
o Low oil pressure sensor
o High outlet temperature sensor (1st & 4th stages)
o Contacts provided for remote monitoring of system controls
o Built-in air cooled intercoolers and aftercooler
o Moisture separation, all stages
o Auto condensate drainage, all stages
o Cartridge dryer / filtration manifold, installed
o Forced lubrication system with oil pump and filter
o Crankcase breather piped to inlet or vent (subject to inlet conditions)
o Automatic compressor unloading system with vented to vapor recovery tank
o Non-return valve at discharge
o Minimum pressure valve at discharge
o Finish paint in blue or light gray enamel
o ASME, inlet gas surge tank with pressure gauge and gas tight relief valve
o Integrated vapor recovery system with ASME storage vessel regulated to system inlet
o Detailed general arrangement, electrical and flow diagrams for customer review and approval
prior to system construction
o Detailed operations, maintenance and parts manuals provided in electronic or hard copy format
(Standard English, alternate languages available at option)
Typical Feature/Options Available:
o Completely custom designs
o Larger horse power ( kW)
o Water cooled compressor or aftercooler designs
o NEMA 7, Class 1, Division 1; rather than Division 2
o Loose starter and/or electrical controls for mounting remotely at the job site
o Reduced voltage starters (wye-delta, solid state or VFD)
o Wired / wireless (LAN and/or WAN) based controls with monitoring capabilities (HMI and/or SCADA)
o Combination style disconnect switch for the duplex motor starter
o Open frame design (elimination of the full system enclosure)
o Lockable, trigger latch door panels
o Roof drainage systems complete with gutters and drain pipe connections to skid’s edge
o Off-shore base frame (skid) design with lifting eye and drag provisions
o Low ambient protection
o Inlet pressure regulation
o Outlet pressure regulation
o Vapor recovery tank pressure or temperature sensors
o Analog controls rather than PLC
o Custom programming of the PLC:
Ø Remote monitoring or controlling of the system
Ø Customer site specific control or maintenance features
Ø Remote operation, monitoring and diagnostics
o Engine driven designs
o High pressure storage tanks (ASME or DOT)
o Priority fill to high pressure gas storage
o Cascade fill to the vehicle gas storage
o Gas dispensing systems
o Custom inlet or discharge gas dryer in lieu of standard cartridge dryer manifold
o Inlet or discharge gas filtration
o Finish paint in epoxy and/or customer’s color selection
o Hot dip galvanized structural steel base frame
o System modifications for non-municipal fuel gases, including biogas, landfill, digester,
wastewater, Hydrogen and synthetic-gases. (Typical gas analysis required)
o Installation & startup
o Aftermarket technical support or site services
o Manuals provided in languages other than English.
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