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Macnaught
Macnaught CR Series Chemical-Resistant PD Flow Meter
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Macnaught CR: oval-gear PD; PPS/Hastelloy/FFKM; ±0.5%; pulse out. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Accuracy
±0.5% of reading (ISO 17025 calibrated)
Type
Chemical-resistant oval-gear positive displacement flow meter (CR Series)
Models
CR006 / CR009 (¼ in) and CR025 (1 in)
Construction
PPS (Ryton) body and rotors; Hastelloy C shafts; FFKM body seals
Repeatability
±0.03%
Flow Range
CR006 to ~26.4 GPH; CR009 to ~132 GPH; CR025 family to ~21 GPM class
Fits aggressive chemical metering where you need a Macnaught CR Series—oval-gear positive displacement meter with PPS body/rotors, Hastelloy C shafts and FFKM seals, ±0.5% of reading accuracy, ±0.03% repeatability, and reed/Hall-effect pulse outputs.
Key advantages
- Principle — Oval-gear PD
- Construction — PPS body/rotors; Hastelloy C shafts; FFKM seals
- Accuracy — ±0.5% of reading
- Repeatability — ±0.03%
- Models — CR006 / CR009 / CR025
Typical applications
- DEF / hypochlorite.
- Acid/base dosing.
- Aggressive chemical batching.
Selection guide
- Model / flow range
- Display option
- Media compatibility
Common mistakes
- Incompatible chemical.
- Exceeding pressure.
- Air in meter.
When to RFQ / what to tell us
- Model/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 44421 |
| Brand | Macnaught |
| Model | CR Series Positive Displacement Flow Meter |
| Product type | Positive Displacement Flow Meter |
| Type | Chemical-resistant oval-gear positive displacement flow meter (CR Series) |
| Models | CR006 / CR009 (¼ in) and CR025 (1 in) |
| Construction | PPS (Ryton) body and rotors; Hastelloy C shafts; FFKM body seals |
| Accuracy | ±0.5% of reading (ISO 17025 calibrated) |
| Repeatability | ±0.03% |
| Flow range | CR006 to ~26.4 GPH; CR009 to ~132 GPH; CR025 family to ~21 GPM class |
| Pressure | CR006/CR009 ~75 psi; CR025 ~150 psi (FNPT) |
| Outputs | Reed and Hall-effect pulse; optional digital displays |
Documents
FAQ
Q: Accuracy? A: ±0.5% of reading.
Q: Materials? A: PPS, Hastelloy C, FFKM.
Q: What should I send for a quote? A: Model/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | ±0.5% of reading (ISO 17025 calibrated) |
| Type | Chemical-resistant oval-gear positive displacement flow meter (CR Series) |
| Models | CR006 / CR009 (¼ in) and CR025 (1 in) |
| Construction | PPS (Ryton) body and rotors; Hastelloy C shafts; FFKM body seals |
| Repeatability | ±0.03% |
| Flow Range | CR006 to ~26.4 GPH; CR009 to ~132 GPH; CR025 family to ~21 GPM class |
| Pressure | CR006/CR009 ~75 psi; CR025 ~150 psi (FNPT) |
| Outputs | Reed and Hall-effect pulse; optional digital displays |
| Media | Aggressive chemicals (DEF, hypochlorite, acids/bases) — verify compatibility |
| Principle | Oval-gear PD; viscosity-insensitive volumetric measurement |