LOW FLOW METAL TUBE FLOW METER
BSP / NPT THREAD
TECFLUID M21
Range: 1/4 “- 3/4”
Accuracy: 4% (qG = 50%)
Maximum temperature: 250ºC.
METAL TUBE FLOW METER FOR LOW FLOW
BSP / NPT THREAD
TECFLUID M21
Range: 1/4 “- 3/4”
Accuracy: 4% (qG = 50%)
Maximum temperature: 250ºC.
Principle of operation
PIPE FLOW METER METALLIC – TECFLUID M21
The M21 series flowmeter is a variable area metal tube flowmeter for small flow rates. Its operation is based on the principle of variable area, obtained by a float that moves inside a calibrated ring. The circulating flow displaces the float, up to a height inside the ring, where the forces are balanced: – E = fluid thrust – Pf = float weight – Al = free passage area (Al = Ao, plug area, – Af , float area).
Each position of the float in equilibrium corresponds to the value of the circulating flow. The magnetic field of the float moves the tracking assembly containing the pointer, bringing it to the proper point on the graduated scale.
Af = Area of the float
Pf = Weight of the float
E = fluid thrust
Al = Ao-Af = Free section
Features
PIPE FLOW METER METALLIC – TECFLUID M21
Accuracy:
4% (qG=50%)
Materials:
- Parts in contact with the fluid in AISI316L, titanium, hastelloy C
- Floats in AISI316L, titanium, hastelloy C
Connection types:
BSP, NPT or clamp thread
Sizes and flow rates:
- From 1/4 “to 3/4”
- From 0.4 l / h to 1000 l / h H2O 20ºC
Maximum temperature:
250ºC (200ºC with electronics)
Maximum pressure:
- PN40 without valve
- PN16 with valve
Accessories:
- Automation
- RCA / RCD constant flow regulator
- Transmitter (optional ATEX certification and HART protocol)
- Indicator box in AISI316L
Applications
PIPE FLOW METER METALLIC – TECFLUID M21
- Control panels and pilot plants
- Control and measurement in machinery
- Control and research laboratories
- Water purification and cooling systems
- Gas burners and heat treatment furnaces
- Chemical-pharmaceutical and cosmetic industries
- Level control with RCD regulators