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Flowmeter

 

LAB Flowmeter

Diameter Type Scope of measurement Size Spec of socket joint pipe

Spec of welded pipe

Accuracy grade pressure withstood T of medium to be tested
L B1 B2
15 LZB-15S 0-100L/h 280 20 45 15 20 4 0.6 0-40 The medium is water or dilute acid or alkali with 30% of concentration below
16-160L/h
40-400L/h
60-600L/h
25 LZB-25S 100-1000L/h 380 32 68 25 32
160-1600L/h
250-2500L/h
300-3000L/h
50 LZB-50S 0.4-4m3/h 435 63 98 50 63
0.6-6m3/h
1-10m3/h
1.6-15m3/h

Correct:
(1) When cone pipe and floater is dirt, clean it in time;
(2) Check the error of flowmeter regularly. Once over the regulated error, change the floater and cone pipe or demarcate it again.
(3) If the marking scale of liquid to be tested and flowmeter is same, the display value should be corrected in accordance with the liquid. The error of flowmeter is called as cited error. It can be expressed by the following formula: =Qf-Qg)/Qmax100%

    ?cited error

    Qfgranulated display value of flowmeter
    Qgactual flow value of flowmeter
    Qmaxtested upper limit value of flowmeter
correction of flow display value:

    When the density of liquid to be tested is different from the density of water at 20 under demarcated state of scale, the display value of flow should be corrected by the following formula:

        

  Qs:actual flow value
  QN:read display value of flowmeter
  Qf:density of floater
  N:Density of water at 20 under demarcated state
  S:density of liquid to be tested. 

Organic glass square flowmeter
Name Size Central distance at side outlet Medium Scope of flow pipe thread interface space between screws temperature resistant pressure withstood
LZB400L/h 1704034 128 water 0.2-2Gallon/minn 1-8kg/min 1/2 76 60 1MPa
LZB600L/h 1704034 128 water 0.3-3Gallon/minn 1-11kg/min 1/2 76 60 1MPa
LZB1m3/h 1704034 128 water 0.5-5Gallon/minn 2-18kg/min 1/2 76 60 1MPa
LZB2m3/h 2254845 165 water 1-10Gallon/minn 5-40kg/min 1' 100 60 1MPa
LZB3m3/h 2254845 165 water 1-15Gallon/minn 5-60kg/min 1' 100 60 1MPa
LZB4.5m3/h 2254845 165 water 2-20Gallon/minn 10-80kg/min 1' 100 60 1MPa
LZB6m3/h 2455550 180 water 3-25Gallon/minn 10-100kg/min 1 110 60 1MPa
LZB8m3/h 2455550 180 water 5-35Gallon/minn 15-140kg/min 110 60 1MPa
LZB9m3/h 2455550 180 water 5-40Gallon/minn 15-160kg/min 110 60 1MPa
LZB10m3/h 2746560 200 water 6-50Gallon/minn 25-180kg/min 125 60 1MPa
LZB400L/h 1703634 straight outlet water 0.2-2Gallon/minn 1-8kg/min 60 1MPa
LZB600L/h 1703634 straight outlet water 0.3-3Gallon/minn 1-11kg/min 60 1MPa
LZB1m3/h 1703634 straight outlet water 0.5-5Gallon/minn 2-18kg/min 60 1MPa
LZB2m3/h 2204545 straight outlet water 1-10Gallon/minn 5-40kg/min 60 1MPa
LZB3m3/h 2204545 straight outlet water 1-15Gallon/minn 5-60kg/min 60 1MPa
LZB4.5m3/h 2204545 straight outlet water 2-20Gallon/minn 10-80kg/min 60 1MPa
LZB6m3/h 2405252 straight outlet water 3-25Gallon/minn 10-100kg/min 60 1MPa
LZB8m3/h 2405252 straight outlet water 5-35Gallon/minn 15-140kg/min 60 1MPa
LZB9m3/h 2405252 straight outlet water 5-40Gallon/minn 15-160kg/min 60 1MPa
LZB10m3/h 2606060 straight outlet water 6-50Gallon/minn 25-180kg/min 60 1MPa
LZB15m3/h 2606060 straight outlet water 8-70Gallon/minn 30-260kg/min 60 1MPa
LZB20m3/h 2807571 straight outlet water 15-90Gallon/minn 60-340kg/min 60 1MPa
LZB25m3/h 2808582 straight outlet water 20-110Gallon/minn 80-400kg/min 2' 60 1MPa
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