| Customization: | Available |
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| After-sales Service: | Free Forever |
| Warranty: | Free Forever |
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BTLZ series Metal tube float variable area flowmeters are used for measure instantaneous and accumulated flow rate of liquid, gas and steam in closed pipelines. It is suitable for metering flow value on site or electronic remote.
The measuring principle is based on the hydrodynamic effects, This makes float moving from bottom to top in vertical Pipe.
As the displacement of float is in related to flow rate, which can be read from the indicator by means of the magnetic drive system in non-contact form . Also, flowmeters output electrical signal (4-20)mA / hart communication protocol with high / low limit
Warning switches/integrating flow PCB broad can be configured.
| Type | BTLZ | |||
| Medium | Liquids, gases, vapors | |||
| Range(conversion to 100% value of reference fluid ) |
Water : 20ºC | (10-300000)L/h , Special order on request | ||
| Air : 0.1013MPa, 20ºC | (0.7-3000)Nm3/h, Special order on request | |||
| The turn-down ratio | 10 : 1 | |||
Accuracy class |
Mechanical indicator | 1.0, 1.5, 2.0, 2.5 | ||
| Mechanical indicator with LCD(battery powered, service life: 2 years) | 1.0, 1.5, 2.0, 2.5 | |||
| Mechanical indicator with two-wire signal output (4-20)mA/hart communication | 1.0, 1.5, 2.0, 2.5 | |||
Medium temperature |
Machinery indicator |
-80ºC~+300ºC (PTFE:0~80ºC) High temperature 400ºC | ||
| Machinery indicator with LCD(battery powered, service life: 2 years) | -40ºC~+120ºC (PTFE:0~80ºC) High temperature 400ºC |
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| Mechanical indicator with two-wire signal output (4-20)mA/hart communication protocol | -40ºC~+120ºC (PTFE:0~80ºC) High temperature 400ºC |
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Ambient temperature |
Mechanical indicator | -40ºC~+120ºC | ||
| Mechanical indicator with LCD(battery powered, service life: 2 years) | -20ºC~+60ºC | |||
| Mechanical indicator with two-wire signal output (4-20)mA/hart communication | -20ºC~+60ºC | |||
| Viscosity of fluid | DN15: F15.00~F15.03 η<5 mPa.s, F15.04~15.30 η<30 mPa.s; DN25: η<250 mPa.s; DN50~250: η<300 mPa.s | |||
Nominal pressure |
DN15~DN50 | 4.0MPa(Max DN15: 42MPa, DN25: 42MPa, DN50: 32MPa) | ||
DN80~DN250 |
1.6MPa(Max DN80: 10MPa, DN100: 6.4MPa, DN125: 4.0MPa, DN150: 4.0MPa, DN200: 2.5MPa, DN250: 2.5Mpa) |
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Process connection |
Flange connection, Standard: DIN2501, ANSI, JIS(select Chinese standard freely, priority select DIN) | |||
| Hygiene clamp, screw joint are selected in the order | ||||
| Electrical connection | M20×1.5 1/2"G 1/2"NPT 3/4"G 3/4"NPT | |||
Installation |
Vertical mounting(bottom in up out and up in bottom out, Horizontal mounting(left in right out and right in left out) bottom in side out, side in side out |
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| Straight unimpeded inlet run | ≥ 5D | |||
| Straight unimpeded outlet run | ≥ 250 mm | |||
| Degree of protection | IP67(Others need specify in the order) | |||
Ex marking |
EEx ia II CT5 | |||
| EEx d II CT6 | ||||
| Ex electrical data | Ui = 28V Ii = 93mA Pi = 0.65W Ci ≤ 5nF Li =0mH | |||
| Safety barrier data | Uo ≤ 28V Io ≤ 93mA Po ≤ 0.65W Co ≥ Ci+Cc Lo ≥ Li+Lc | |||
| Carried Standard | JB/T 6844-93 | |||
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