ZTMB - Bronze Turbine Water Meter

ZTMB

ZENNER Bronze Turbine Meters are designed for applications where flows are usually moderate to high and occasionally low. They are to be used in measurement of potable cold water in commercial and industrial services where flows are in one direction.

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MODEL

 

ZTMB01

ZTMB02

ZTMB03

ZTMB04

ZTMB06

ZTMB08

SIZE

 

1 1/2"

2"

3"

4"

6"

8"

Flow Rate Maximum Intermittent

USGPM

250

400

550

1250

2500

4500

Maximum Continuous

USGPM

160

200

450

1000

2000

3500

Optimum Operating Flow Range

USGPM

3 - 160

3 - 200

5 - 550

10 - 1250

20 - 2500

30 - 4500

Low Flow Rate

USGPM

2

2

2-1/2

5

12

20

Start-Up Flow Rate

USGPM

7/8

7/8

1-1/8

1-3/8

7-1/2

8

Maximum Working Pressure

P.S.I.

150

150

150

150

150

150

Maximum Temperature

Deg. F

150

150

150

150

150

150

Length

Inches

13

10

12

14

18

20

Height

Inches

7-1/4

7-1/4

9-1/2

10-1/4

11-1/2

14-1/2

43Width

Inches

6

6

7-1/2

9

11

13-1/2

Weight

Pounds

25

18

36

48

112

145

Number of Holes per Flange

 

2

2

4

8

8

8

OPERATION: Water flows through the turbine section which causes the rotor to turn proportionately to the quantity of water flowing through the meter. A drive magnet transmits the motion of the rotor to a driven magnet located within the hermetically sealed register. The magnet is connected to a gear train which translates the rotations into volume totalization displayed on the register dial face. The only moving parts in the water are the rotor assembly and vertical shaft .

 

CONSTRUCTION: ZENNER Bronze Turbine Meters consist of four basic components: bronze main case, bronze cover plate, measuring element, and a sealed register. The main case is made of bronze with round flanges, except for the 1-1/2” and 2” meters which have oval flanges. The measuring element assembly includes the rotor assembly, vertical shaft and a calibration vane which eliminates the need for calibration change gears.  The 1-1/2” bronze turbine meter has a built-in stainless steel strainer.

 

MAINTENANCE: ZENNER Bronze Turbine Meters are engineered and manufactured to provide long-term service and operate virtually maintenance free. If maintenance is necessary, the universal measuring element (UME) can be removed from the main case. Interchangeability of certain parts between like sized meters minimizes spare parts inventory. A built-in test port makes it possible to field test installed meters.

 

CONFORMANCE: ZENNER Bronze Turbine Meters are tested and comply with AWWA C701 Class II performance standards. These Meters comply with the lead-free provisions of the Safe Drinking Water Act and are certified to NSF/ANSI Standards 61 and 372.

 

STRAINERS: ZENNER recommends the use of a separate strainer upstream from the turbine meter. Strainers reduce the chance of damage to the rotor as well as the frequency in which it must be removed for inspection. The lack of a strainer may void the warranty of the turbine meter. Note that the 1-1/2” bronze turbine meter has a built-in strainer.

 

CONNECTIONS: Companion flanges for installation of meters on various pipe types and sizes are available in bronze or cast iron.