Model JBWN-50~600
Model JBWN-50~600
SALIENT FEATURES OF MODEL JBWN WOLTMAN TYPE METER
-
- Dry Dial Magnetic Drive With Magnetic Shield.
- Measuring Accuracy ISO 4064 Class B / MID-OUML-R80.
- Removable Mechanism -interchangeable Spare Parts.
- Online Replacement / Maintenance Of Full Mechanism.
- Hermetically Sealed Register (Ip 68 Protection).
- Reed Switch / Pulse Output Option.
- Available In Jbwnv (Vertical) Type For Vertical Installation
Working Conditions :
-
- Water temperature: ≤50ºC for cold water meter
- Water temperature: ≤90ºC for hot water meter
- Water pressure: ≤1MPa or 1.6MPa optional.
Permissible Error:
- Qmin(Q1) ≤ to < Qt (Q2) ±5%.
- Qt (Q2) < to ≤ Qmax(Q4) ±2% (for hot water meter ±3%).
Pressure Loss Curve:
Flow Error Curve:
Main Technical Data ( ISO4064:2003 Old Standard)
Meter Size | Measuring | Max Flow | Nominal Flow | Transitional Flow | Min Flow | Min Reading | Max Reading | |
---|---|---|---|---|---|---|---|---|
mmclass | m³/h | m³ | ||||||
40 | B | 20 | 10 | 0.8 | 0.2 | 0.0002 | 999999 | |
50 | B | 30 | 15 | 3 | 0.45 | 0.0002 | 999999 | |
65 | B | 50 | 25 | 5 | 0.75 | 0.0002 | 999999 | |
80 | B | 80 | 40 | 8 | 1.2 | 0.002 | 999999 | |
100 | B | 120 | 60 | 12 | 1.8 | 0.002 | 999999 | |
125 | B | 200 | 100 | 20 | 3 | 0.002 | 999999 | |
150 | B | 300 | 150 | 30 | 4.5 | 0.002 | 999999 | |
200 | B | 500 | 250 | 50 | 7.5 | 0.002 | 999999 | |
250 | B | 800 | 400 | 80 | 12 | 0.002 | 999999 | |
300 | B | 1200 | 600 | 120 | 18 | 0.02 | 9999999 | |
350 | B | 1600 | 800 | 160 | 24 | 0.02 | 999999999 | |
400 | B | 2000 | 1000 | 200 | 30 | 0.02 | 999999999 | |
500 | B | 3000 | 1500 | 300 | 45 | 0.02 | 999999999 | |
600 | B | 6000 | 3000 | 600 | 90 | 0.02 | 999999999 |
Main Technical Data ( ISO4064:2005 New Standard)
Meter Size | Measuring | Q4 | Q3 | Q2 | Q1 | Min Reading | Max Reading |
mm | R | m³/h | m³ | ||||
40 | 63 | 20 | 16 | 0.41 | 0.25 | 0.0002 | 999999 |
50 | 63 | 31.25 | 25 | 0.63 | 0.40 | 0.0002 | 999999 |
65 | 80 | 50 | 40 | 0.80 | 0.50 | 0.0002 | 999999 |
80 | 80 | 78.7 | 63 | 1.26 | 0.79 | 0.002 | 999999 |
100 | 80 | 125 | 100 | 2.00 | 1.25 | 0.002 | 999999 |
125 | 80 | 200 | 160 | 3.20 | 2.00 | 0.002 | 999999 |
150 | 80 | 312.5 | 250 | 5.00 | 3.13 | 0.002 | 999999 |
200 | 63 | 500 | 400 | 10.16 | 6.35 | 0.002 | 999999 |
250 | 50 | 787 | 630 | 20.16 | 12.60 | 0.002 | 999999 |
300 | 50 | 1250 | 1000 | 32 | 20 | 0.02 | 9999999 |
350 | 50 | 2000 | 1600 | 51.2 | 32 | 0.02 | 999999999 |
400 | 50 | 3125 | 1600 | 51.2 | 32 | 0.02 | 999999999 |
500 | 50 | 5000 | 2500 | 80 | 50 | 0.02 | 999999999 |
600 | 50 | 7870 | 4000 | 128 | 80 | 0.02 | 999999999 |
Dimension & Weight:
Meter size | Length L | Width B | Height H | Connecting thread | ||
mm | mm | D | Bolt circle Dia D1 | Connecting bolt | ||
40 | 200 | 256 | 400 | 165 | 125 | 4xM16 |
50 | 200 | 256 | 400 | 165 | 125 | 4xM16 |
65 | 200 | 256 | 400 | 185 | 145 | 4xM16 |
80 | 225 | 276 | 400 | 200 | 160 | 8xM16 |
100 | 250 | 286 | 400 | 220 | 180 | 8xM16 |
125 | 250 | 301 | 400 | 250 | 210 | 8xM16 |
150 | 300 | 346 | 500 | 285 | 240 | 8xM20 |
200 | 350 | 373 | 500 | 340 | 295 | 8xM20 |
250 | 450 | 493 | 730 | 395 | 350 | 12xM20 |
300 | 500 | 516 | 730 | 445 | 400 | 12xM20 |
350 | 500 | 560 | 730 | 520 | 470 | 12xM21 |
400 | 600 | 631 | 830 | 565 | 515 | 16xM24 |
500 | 800 | 785 | 930 | 715 | 650 | 20xM30 |
600 | 1000 | 865 | 1030 | 840 | 770 | 20xM33 |