CNG storage and pressure reduction. One trailer. Two sizes.
NuBlu Energy's Virtual Pipeline Trailers carry CNG to sites where pipeline gas is not available. The bumper-pull VPT-64 for light-duty and remote sites, the tractor-pulled VPT-128 for higher-volume continuous delivery. Both ship with integrated 2-stage pressure reduction and a catalytic heater.
Overview
The VPT family delivers CNG to sites where running pipeline is not available or not economical. Type IV composite cylinders hold gas at 4,000 psig. An integrated 2-stage onboard pressure reduction system, fed through a thermostatically controlled catalytic heater, drops trailer pressure to a user-set outlet between 5 and 50 psig, ready to feed the customer's downstream system.
The VPT-64 is bumper-pullable behind a standard pickup. The VPT-128 doubles the storage on a DOT highway-rated trailer for routes where the smaller unit would mean too many trips. Optional solar and battery power, Allen-Bradley controls with Ewon telemetry, and remote monitoring of pressure, temperature, flow and GPS location are available for off-grid operation.
Key specifications
| Storage capacity | VPT-64: 64,000 SCF at 4,000 psig. VPT-128: 128,000 SCF at 4,000 psig |
|---|---|
| Cylinder type | Type IV lightweight composite |
| Operating pressure | 200 to 4,000 psig |
| Process temperature | -40 °F to 160 °F |
| Fill ports | 1 in. CNG quick-connect or NGV1 |
| Onboard PRS | 2-stage pressure regulation, 200 to 3,600 psig inlet |
| PRS outlet pressure | 5 to 50 psig, user set |
| Design flow rate | 1 to 15 MSCF/hr (24 to 360 MSCF/d) |
| Process heater | Catalytic, thermostatically controlled, discharge held above 35 °F |
| Discharge connection | 3 in. 150# flanged |
| Trailer type | VPT-64: bumper-pull deck-over, pintle hitch, 16,000 lb GVWR, 20 ft x 8 ft deck. VPT-128: tractor-pulled, DOT highway rated |
| Safety | Onboard thermal reliefs and PSVs, full ESD and shutdown system |
| Power and controls (optional) | Solar and battery for off-grid operation, Allen-Bradley controls with Ewon telemetry, remote monitoring with GPS |
| Design standards | ASME Section VIII Div. 1, B31.3, NEC, NFPA |
Final flow, pressure and power are tuned to your gas analysis, suction conditions and site requirements. Contact engineering for a sized proposal.
Why VPT-64 / VPT-128
Storage and PRS in one trailer
No separate pressure reduction skid to specify, permit or move between sites. Storage and regulation are integrated and FAT-tested as one unit.
Type IV composite cylinders
Lighter than steel, 4,000 psig rated, with built-in thermal reliefs. Lower trailer tare weight means more gas, less wasted GVWR.
Catalytic process heater
Flame-free heating handles the temperature drop from CNG decompression and keeps outlet gas above 35 °F across the operating window. No open flame, no separate fuel hookup, no permitting headache.
2-stage pressure regulation
A primary regulator drops trailer pressure to an intermediate level into a process accumulator that dampens swings. A final-stage regulator delivers outlet pressure within plus or minus 10% of setpoint.
Built and tested in shop
Final assembly, FAT, valve and PSV verification and PRS commissioning happen in our shop.
Pairs with the PRS-G and PRS-C series
For higher-flow sites where the trailer's onboard PRS is not sized to deliver, the VPT family pairs with NuBlu's standalone PRS packages.
Which one fits your site
Choose the VPT-64 if
- Site demand is intermittent or seasonal
- You want to move trailers behind a standard pickup
- Permitting and parking footprint need to stay small
- Trailer-swap frequency is not a major cost driver
Choose the VPT-128 if
- Site demand is continuous or high volume
- You want to cut delivery trips per week
- DOT highway operation behind a Class 8 tractor is in scope
- Lower delivery cost per MCF matters more than mobility
Typical applications
- Remote site fuel gas supply where pipeline access is limited
- Supplemental supply and peak shaving for gas utilities
- Mobile and temporary power generation
- Drilling and completions support
- Pipeline integrity work and pipeline pack-up
- Construction site fuel gas
- Stranded gas monetization and remote industrial loads
What's included
- Trailer with Type IV composite CNG cylinders
- CNG quick-connect fill ports (NGV1)
- Integrated 2-stage pressure reduction system
- Thermostatically controlled catalytic process heater
- PSVs and onboard cylinder thermal reliefs
- Flanged discharge connection
- Operating manual, FAT package and recommended spare parts list
Engineering and aftermarket support
Every VPT ships with a complete operating manual, FAT documentation and recommended spares list. Critical wear items, including regulator trims, PSV cartridges and instrumentation, are stocked at our shop for fast response.
Field service, troubleshooting and remote support are handled by the same team that designed and built the trailer.