Macnaught MX hazardous-area oval gear flow meters, 316 SS, intrinsically safe Ex ia pulse outputs
Pricing depends on specification, quantity and delivery location. Send your requirement and we reply with a costed quotation within 24 hours.
Quick overview
- Type: Flow
- Signal / Protocol: 4–20 mA, Pulse / frequency
- Hazardous area: Hazardous-area rated / option
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1504 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | Macnaught |
| Model | MX series, P (Ex) version |
| Technical | |
| Type | Flow |
| Signal / Protocol | 4–20 mA, Pulse / frequency |
| Hazardous area | Hazardous-area rated / option |
Datasheet
Technical features
| Oval gear positive displacement measurement of flammable and industrial liquids in hazardous areas | |
| No straight pipe runs needed; direct volumetric reading | |
| Bearingless rotors; wide flow range, extended for liquids above 5 cP | |
| Pulse, intrinsically safe pulse, LCD rate/totalizer, 4–20 mA, alarm and batch-control options | |
| Threaded or flanged connections |
Applications
| Fuel, solvent and chemical metering in Zone-classified areas | |
| Tank farms and loading skids | |
| Process plants with intrinsically safe loops |
Key specifications
| Flow range | 0.5 L/h to 733 L/min |
|---|---|
| Accuracy | ±0.5% of reading (±1% on ⅛ in); repeatability ±0.03% |
| Sizes | ⅛ in to 3 in |
| Materials | 316 stainless steel body; PPS or 316 SS rotors; PTFE-encapsulated (FEP) seals |
| Temperature | −40 to +80 °C (150 °C with high-temperature rotors) |
| Output | Pulse (reed/Hall), Ex ia pulse, LCD register with 4–20 mA, alarms or batch |
Construction
| Materials | 316 stainless steel body; PPS or 316 SS rotors; PTFE-encapsulated (FEP) seals |
|---|---|
| Operating temperature | −40 to +80 °C (150 °C with high-temperature rotors) (depends on rotor and output) |
Outputs and connections
| Pulse outputs | Reed/Hall, reed/reed or Hall/Hall pulse; high-resolution Hall NPN; high-temperature pulse (150 °C) |
|---|---|
| Intrinsically safe outputs | Ex ia NPN or NAMUR pulse (options B, N) |
| Integral electronics | PR: LCD rate/total (12 mm); PRA: LCD with scaled pulse, 4–20 mA and high/low flow alarms; ER/ERA: 17 mm LCD; ERB: batch controller |
| Process connections | BSP (G) or NPT threaded; ANSI 150, DIN PN16 or JIS 10K flanged on 1 in and larger |
| Repeatability | ±0.03% |
| Filtration | Strainer recommended (e.g. 74 µm / 200 mesh on small sizes) |
Sizes
| Model | Size | Flow < 5 cP | Flow > 5 cP | Max. pressure | Accuracy | K-factor (pulses/US gal) |
|---|---|---|---|---|---|---|
| MX06 | ⅛ in | 2–100 L/h | 0.5–100 L/h | 69 bar (1,000 psi) | ±1% | – |
| MX09 | ¼ in | 25–500 L/h | 15–500 L/h | 69 bar (1,000 psi) | ±0.5% (±1% MX09F per listing) | 1,514 |
| MX12 | ½ in | 3–25 L/min | 2–30 L/min | 138 bar (2,000 psi) | ±0.5% | 424 |
| MX19 | ¾ in | 8–70 L/min | 3–80 L/min | 138 bar (2,000 psi) | ±0.5% | 197 |
| MX25 | 1 in | 10–100 L/min | 6–120 L/min | 138 bar (2,000 psi) | ±0.5% | 136 |
| MX40 | 1½ in | 15–235 L/min | 10–250 L/min | 103 bar (1,500 psi) | ±0.5% | 54.9 |
| MX50 | 2 in | 15–500 L/min | 15–500 L/min | 82 bar (1,200 psi) | ±0.5% | 25.3 |
| MX75 | 3 in | 60–600 L/min | 20–733 L/min | 12 bar (175 psi) | ±0.5% | 9.76 |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of Macnaught, used with permission (source) — background removed by Argonmark. All photo credits
Description
Macnaught MX P (Ex) meters are oval gear positive displacement flow meters for flammable and industrial liquids in hazardous areas, in sizes from ⅛ in to 3 in. They measure volume directly with ±0.5% of reading accuracy (±1% on the smallest size) and ±0.03% repeatability, and need no straight pipe runs.
Construction is 316 stainless steel body; PPS or 316 SS rotors; PTFE-encapsulated (FEP) seals, for −40 to +80 °C (150 °C with high-temperature rotors). Outputs range from reed and Hall pulses, including intrinsically safe Ex ia versions, to LCD registers with scaled pulse, 4–20 mA, flow alarms or batch control.
Argonmark Ltd supplies Macnaught instruments across Bangladesh — Dhaka, Chattogram, Gazipur, Narayanganj and the gas fields, refineries, terminals and power plants beyond. Send us the model, range, process connection, output and any hazardous-area requirement, and we will confirm the right configuration, lead time and price.
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