Ralston NitroPak Calibration System
Ralston NitroPak portable nitrogen pressure source: 15.2 cu ft cylinder, up to 3,000 psi (200 bar) with 42-turn pressure-balanced control and 3,300 psi overpressure relief.
Pick your exact configuration in the ordering table below to add it to your cart.
Same-day response on quotes. ISO/IEC 17025 accredited calibration available.
Overview
The Ralston NitroPak is a portable nitrogen pressure source for calibration testing in remote locations without pumping. Ralston describes the NPAK-KIT3 as a self-contained nitrogen source that includes all the connections and hoses to connect directly to a pressure gauge or calibrator.
NPAK-KIT3
Per Ralston, NPAK-KIT3 includes the NitroPak, a 1/8" MNPT / 1/4" MNPT / 1/4" FNPT brass Quick-test gauge adapter kit, two 1/4" male NPT process connections, and 6 ft and 3 ft Quick-test hoses.
Related
For fine control of bottled nitrogen, see the Ralston QTVC volume controller. Browse pumps & generation, digital pressure gauges and Quick-test hoses.
Specifications
| Key specifications (Ralston datasheet) | |
| Max pressure | 3,000 psi / 200 bar / 20 MPa |
| Max vacuum | 10 inHg / 33.9 kPa |
| Cylinder capacity | 15.2 cu ft (compressed gas) |
| Control | 42 turns (pressure balanced); soft-seated fill / vent valves |
| Overpressure relief | 3,300 psi / 230 bar / 23 MPa |
| Seal materials | Buna-N, Delrin, Teflon |
| Operating temperature | 0 to 130 °F (−18 to 54 °C) |
| Kit weight (NPAK-KIT3) | 29 lb / 13 kg |
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Configure your NPAK
Pick your options and we'll build the exact part number with a list-price estimate.
Select a included items to build your part number.
Specify the included items for a Ralston Nitropak to work with your reference gauge and process connection. Nitropak is 3,000 psi / 210 bar. Shipping and tax are confirmed when we review your order.
Ordering information
7 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| NPAK-1MBA-6-3 | Nitropak, 1/8" male NPT gauge adapter, 6ft, 3ft hoses, (2) 1/4" MNPT process connections | $5,861.02 | |
| NPAK-2FBA-6-3 | Nitropak, 1/4" female NPT gauge adapter, 6ft, 3ft hoses, (2) 1/4" MNPT process connections | $5,863.34 | |
| NPAK-2MBA-6-3 | Nitropak, 1/4" male NPT gauge adapter, 6ft, 3ft hoses, (2) 1/4" MNPT process connections | $5,864.86 | |
| NPAK-3KPSIG-FL | Calibration kit, NPAK Nitrogen source, 3000 psi / 200 bar / 20 MPa FieldLab (0.1% of Reading Acc.) | $8,670.39 | |
| NPAK-KIT2-GR | Nitropak, LC20 Pressure gauge (3000 psi), gauge adapter, 2 hoses, 2 process connections | $6,803.01 | |
| NPAK-KIT2-GR-B1 | Nitropak, 3000 psi LC20 Pressure gauge with Bluetooth, 2 hoses, 2 process connections | $6,928.03 | |
| NPAK-KIT3 | Nitropak, 1/4" FNPT, 1/8" MNPT, 1/4" MNPT gauge adapter, 2 hoses, 2 process connections | $5,907.16 |
Related products
Official compatibility and accessories for this model - not look-alike suggestions.








