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ZTM series gas turbine flow meter

Product Overview:

ZTM series gas turbine flow meter is equipped with mechanical counter it’s a kind of meter don’t run slowly with high flow measurement accuracystrong anti-magnetic attack capability strong reliability. With unique lubrication system structure installation is not affected by pipeline stress. With structure modular design easy for maintenance and installation.

This series of products can directly measure the total volume of gas in working condition. When equipped with EVC volume corrector it can directly measure the pressure and temperature of gas and can display the volume flow and total amount of gas under standard condition. If the pipeline is equipped with a calorific value meter it can also convert the calorific value into calories. Its excellent low-pressure and high-pressure metering performance multiple signal output methods and low sensitivity to fluid disturbances make the ZTM series flow meters a particularly excellent commercial trade metering instrument.

It is widely used in city pipeline (network) gas measurement industrial gas measurement gas pressure regulating station measurement energy management and other non-corrosive gas measurement or flow control occasions.

Products Performace:

● Technical requirements meet ISO9951 standard

The length of the meter body is mainly 3DN (DN is the flow meter caliber DN250 and D300 caliber 1.5DN) and pass high and low level disturbance test.

● Wide flow range

Flow range (Qmax / Qmin = 20: 1) good repeatability high accuracy(up to 1.0 level) low pressure loss low start flow.

● Integrated design

Adopt integrated pilot fluid: it can eliminate fluid disturbance and the rectification effect is obvious. The pressure loss is extremely small with low installation requirements for the front and back straight pipe sections (front straight pipe section is ≥2DN rearstraight pipe section is ≥1DN)

● Modular design

Adopting removable independent meter core assembly design(one caliber can provide three flow specifications
S M L)compact structure easy to install and maintainnot affected by pipeline stress; modular mechanical
counter assembly with strong gear adjustment capability and high adjustment accuracy(more than four thousand sets of adjustment gears).

● Unique lubrication system

Axial lubricating oil channel is adopted and the O-ring is axially compressed to seal to not be affected by pipeline stress.

● Strong anti-magnetic attack ability

The magnetic coupling is designed with a shield ring to prevent strong magnetic attacks.

Specifications:

Model	DN （mm）	Flow Range （m3/h）	Pressure (MPa)	Pulse Equivalent （m3/imp）	Pressure lose at Qmax （kPa）	Casing Materials
ZTM-50 S ZTM-50 M ZTM-50 L	50	6～65 8～100 10～160	1.6 2.5 4.0	0.1	0.9 1.5 2.2	≤1.6 MPa Aluminum Alloy ＞1.6 MPa Nodular cast iron Corrosion resistant carbon steel
				1
ZTM-80 S ZTM-80 M ZTM-80 L	80	8～160 13～250 20～400			1.2 1.6 2.3
ZTM-100 S ZTM-100 M ZTM-100 L	100	13～250 20～400 32～650			0.8 1.6 2.4
ZTM-150 S ZTM-150 M ZTM-150 L	150	32～650 50～1000 80～1600			0.45 0.9 2.2	Nodular cast iron Carbon steel Corrosion resistant steel Stainless steel
				10
ZTM-200 S ZTM-200 M ZTM-200 L	200	50～1000 80～1600 125～2500		1	0.36 0.9 2.1
				10

ZTM-250 S ZTM-250 M ZTM-250 L	250	80～1600 125～2500 200～4000			1.0 2.0 2.4


ZTM-300 S ZTM-300 M ZTM-300 L	300	125～2500 200～4000 320～6500			1.8 2.0 2.4

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