King Instruments 7720 Series Rotameter

We aim to respond within 1 hour
- Unique, All PVC flowmeter, Type 1, Grade 1
- C-276 Hastelloy® Internals
- All 316L Stainless Steel Construction
- Flow transmitter and flow switch option
The King 7720 series variable area flow meter offers excellent chemical resistance due to its type 1, grade 1 PVC metering tube and fitting material.
Fittings are available with NPT connections or direct flange mount for vertical connections. NPT connections are available from ½” to 2” with 3” and 4” meters being offered with flanged connections.
Internal components are C-276 Hastelloy®.
O-Rings are available in EPR, Buna-N, Viton® or Kalrez®.
The 7720 series has a 120mm detachable direct rading scale.
All models have a 10:1 turndown with repeatability at 1% and accuracy of ± 3% of full scale flow.
Maximum temperatures are available up to 54°C with maximum operating pressures available up to 10 bar.
Liquid models are available with full scale flows from 2 litres per minute to 1700 LPM, with scales available in any volumetric unit.
Single or dual inductive slot sensor (NAMUR) alarm outputs are also available.
A 4 – 20 mA flow transmitter option is available as well.
Model numbers
- K.7721420722
- K.7722410726
- K.7722410728
- K.7722410730
- K.7722420730
- K.772242T726
- K.772242T736
- K.7722430726
- K.7722430728
- K.7722430730
Industries
The King Instruments 7720 Series Rotameter is widely used in the following industries:
Related products

Customer enquiries
We aim to respond within 1 hour

Call us
01953 609930
Email us
sales@pctflow.com
Data sheets and manuals
- View manual
- View Specs

