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Positive displacement Woltman water meter for cold or hot water meter, Housing material: ductile iron
General Description
This is turbine type, Woltaman hot water meter with super dry type register for Industrial and Irrigation application with sizes from Dn40 to Dn500 designed by NWM and meets to the requirements of ISO 4064 Standard.
Characteristics:
Pulse output always ready, and Pulse output AS OPTION:
Size | m3/pulse | |
Dn40 to Dn125 | 0.1 | 1 |
Dn150 to Dn200 | 1 | 10 |
Dn250 to Dn300 | 10 | 100 |
Dial Plate Design:
Dimension:
The Flange Standard under ISO 7005-2:1998(E) PN16 as:
Dn | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
L | 260 | 200 | 200 | 225 | 250 | 250 | 300 | 350 | 450 | 500 | 500 | 600 | 800 |
H | 225 | 252 | 262 | 272 | 282 | 297 | 341 | 371 | 480 | 516 | 560 | 647 | 785 |
H1 | 303 | 339 | 349 | 359 | 369 | 384 | 428 | 458 | 576 | 603 | 603 | 723 | 838 |
G | 360 | 400 | 400 | 400 | 400 | 400 | 500 | 500 | 710 | 730 | 730 | 830 | 930 |
D | 150 | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 405 | 460 | 520 | 580 | 715 |
D1 | 110 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 355 | 410 | 470 | 525 | 650 |
nxM | 4xM16 | 8xM16 | 8xM20 | 12xM20 | 12xM24 | 16xM24 | 16xM27 | 20xM30 |
Different Flange Standard for selecting such as: ISO 7005-2: 1998(E) PN10, ASME B16.1-Class 125 working for B16.5-Class 150…
Different Length of the Body for Selecting:
DN | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
L | 250 | 250 | 200 | 300 | X | 430 | X | X | X | 500 | 500 | ||
270 | 260 | 270 | 360 | X | X | X | X | X | X | X | |||
310 | X | 300 | 483 | X | X | X | X | X | X | X | |||
X | X | 413 | X | X | X | X | X | X | X | X |
Main Technical Data: ISO 4064 Class B
Size | mm | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
R=Q3/Q1 | 50 | 80 | ||||||||||||
Q4 | m3/h | 31,325 | 50 | 78,75 | 78,75 | 125 | 200 | 312,5 | 500 | 787,5 | 1250 | 1250 | 2000 | 3125 |
Q3 | m3/h | 25 | 40 | 63 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1000 | 1600 | 2500 |
Q2 | m3/h | 0,8 | 0,8 | 1,26 | 1,26 | 2 | 3.2 | 5 | 8 | 12,6 | 20 | 20 | 32 | 50 |
Q1 | m3/h | 0,5 | 0,5 | 0,7875 | 0,7875 | 1,25 | 2 | 3,125 | 5 | 7,875 | 12,5 | 12,5 | 20 | 31,25 |
Max. Reading | m3 | 99999 9,999 | 99999 99,99 | 99999 999,9 | ||||||||||
Min. Reading | m3 | 0,0005 | 0,005 | 0,05 | ||||||||||
Pressure Loss | ΔP | 10 | 16 | 10 | 10 | 10 | 16 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Max. Pressure | MAP | MAP16 | ||||||||||||
Max. Temperate | ℃ | T90 |
Pressure Loss Curve:
Max. Permission Error:
From Q1 inclusive up to but excluding Q2 is ± 5%;
From Q2 inclusive up to and including Q4 is ± 3%;