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Model M industrial flow meters

Heavy duty stainless steel industrial rotameter for air and water

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Heavy-duty flow meters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates up to 440 L/min of Water or 7000 L/min of Air. Used with industrial water and air service. Meters are graduated for direct reading of water and air. Flow meters come with FNPT end fittings for easy in-line installation. Wetted parts include borosilicate glass flow tubes, viton o-rings, and 316 Stainless steel fittings, guide rods, floats and float stops.

Accuracy±3% FS
Minimum flow rate~10% of maximum flow rate
Repeatability±0.5% FS
Maximum operating temperature93°C
Maximum internal gas pressure (static)Max 13.6 bar(g) for tube size 3, 4, 5 & 6 Max 8.5 bar(g) for tube size 8 & 9
Flow tubesHeavy walled borosilicate glass.
Wetted parts316 Stainless Steel.
O-ringsViton® Optional : PTFE/ Kalrez®, EPR.
ConnectionsIn-Line : 1/2″, 1-1/2″, 2″, FNPT. Flanged : 3/4″, 1-1/2″, 2-1/2″.

In Line Meter

Maximum Flow (Water)Maximum Flow (Air)ConnectionPart Number
0.95 L/min 35 L/min 1/2″ FNPTMS-VJ-M01-02-ST
1.3 L/min54 L/min 1/2″ FNPTMS-VJ-M02-02-ST
3.0 L/min90 L/min 1/2″ FNPTMS-VJ-M03-02-ST
3.8 L/min120 L/min 1/2″ FNPTMS-VJ-M04-02-ST
5.6 L/min180 L/min 1/2″ FNPTMS-VJ-M05-02-ST
8.2 L/min250 L/min 1/2″ FNPTMS-VJ-M06-02-ST
14 L/min480 L/min 1″ FNPTMS-VK-M07-02-ST
18 L/min650 L/min 1″ FNPTMS-VK-M08-02-ST
22 L/min725 L/min 1″ FNPTMS-VK-M09-02-ST
27.5 L/min950 L/min 1″ FNPTMS-VK-M10-02-ST
36 L/min1200 L/min 1″ FNPTMS-VK-M11-02-ST
42 L/min1400 L/min 1″ FNPTMS-VK-M12-02-ST
52.5 L/min1800 L/min 1″ FNPTMS-VK-M13-02-ST
80 L/min2600 L/min 1″ FNPTMS-VK-M14-02-ST
85 L/min2550 L/min 2″ FNPTMS-VL-M15-02-ST
95 L/min–1″ FNPTMS-VK-M16-02-ST
155 L/min4600 L/min 2″ FNPTMS-VQ-M17-02-ST
165 L/min5000 L/min 2″ FNPTMS-VL-M18-02-ST
230 L/min7000 L/min 2″ FNPTMS-VQ-M19-02-ST
230 L/min7000 L/min 2″ FNPTMS-VL-M20-02-ST
320 L/min–2″ FNPTMS-VQ-M21-02-ST
440 L/min–2″ FNPTMS-VQ-M22-02-ST

Flanged Meter

Maximum Flow (Water)Maximum Flow (Air)Flange
Connection		Part Number
0.95 L/min 35 L/min 3/4″MS-VR-M01-02-ST
1.3 L/min54 L/min 3/4″MS-VR-M02-02-ST
3.0 L/min90 L/min 3/4″MS-VR-M03-02-ST
3.8 L/min120 L/min 3/4″MS-VR-M04-02-ST
5.6 L/min180 L/min 3/4″MS-VR-M05-02-ST
8.2 L/min250 L/min 3/4″MS-VR-M06-02-ST
14 L/min480 L/min 1½”MS-VS-M07-02-ST
18 L/min650 L/min 1½”MS-VS-M08-02-ST
22 L/min725 L/min 1½”MS-VS-M09-02-ST
27.5 L/min950 L/min 1½”MS-VS-M10-02-ST
36 L/min1200 L/min 1½”MS-VS-M11-02-ST
42 L/min1400 L/min 1½”MS-VS-M12-02-ST
52.5 L/min1800 L/min 1½”MS-VS-M13-02-ST
80 L/min2600 L/min 1½”MS-VS-M14-02-ST
85 L/min2550 L/min 2½”MS-VT-M15-02-ST
95 L/min–1½”MS-VS-M16-02-ST
155 L/min4600 L/min 2½”MS-VU-M17-02-ST
165 L/min5000 L/min 2½”MS-VT-M18-02-ST
230 L/min7000 L/min 2½”MS-VU-M19-02-ST
230 L/min7000 L/min 2½”MS-VT-M20-02-ST
320 L/min–2½”MS-VU-M21-02-ST
440 L/min–2½”MS-VU-M22-02-ST