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The new digital locking balance valve produced by the company is a new type of energy-saving valve with special functions.Since the valve is provided with an opening digital display and a digital locking device,it can be intuitively adjusted to any position and a small pressure measuring valve for flow measurement.
The valve is mainly used in the heating pipe network system of industrial and civil buildings.With good flow characteristics,it can accurately adjust the pressure drop and flow,reasonably distribute the flow,realize the quantitative flow,and effectively solve the problem of uneven temperature in the heating(air conditioning)system.As long as all branches and user inlets are equipped with digital locking balance valves of appropriate specifications and locked after one-time commissioning with special intelligent instruments,the total water volume of the system is controlled within a reasonable range,thus overcoming the unreasonable phenomenon of “large flow and smalltemperature difference"
The application of this valve to achieve the liquid balance of the pipe network and save energy has achieved good results.
This product is an ideal product in the heating system.
Product standard
Design and manufacturing standards shall comply with bs350-1990;
Flange connection standard shall comply with GB/t17241.6-2008 integral cast iron flange;
BS7350The inspection and test standardshall comply with bs7350
The standard of wire connectionshall comply with GB/t7306.1-7306.2
Opening(%)flow characteristic curve
Test pressure | 1.5MPa 2.4MPa(24kgf/cm²) |
working pressure |
≤1.0MPa ≤1.6MPa(24kgf/cm²) |
working
temperature |
-10℃~120℃ |
Applicable media | water |
characteristic
curve |
Equal percentage |
Installation and use scope | Trunk,branch trunk,indoor water supply trunk,branch riser and multiple boilers of pipe network system |
Part Name | Material Name |
BODY |
Ductile Iron |
Bonnet |
Ductile Iron |
Disc |
Ductile Iron |
Stem |
2Cr13 |
Sealing Ring |
VITON |
DN40-DN125 hand wheel | Polyamide and TPE
thermoplastic elastomer materials |
DN150-DN400 hand wheel |
QT450 |
DN | L | H | D | D1 | n-φd |
32 | 215 | 270 | 140 | 100 | 4-19 |
40 | 215 | 270 | 150 | 110 | 4-19 |
50 | 215 | 275 | 165 | 125 | 4-19 |
65 | 240 | 280 | 185 | 145 | 4-19 |
80 | 280 | 300 | 200 | 160 | 8-19 |
100 | 310 | 330 | 220 | 180 | 8-19 |
125 | 320 | 340 | 250 | 210 | 8-19 |
150 | 385 | 500 | 285 | 240 | 8-23 |
200 | 465 | 585 | 340 | 295 | 12-23 |
250 | 545 | 610 | 405 | 355 | 12-28 |
300 | 595 | 750 | 460 | 410 | 12-28 |
350 | 695 | 930 | 520 | 470 | 16-28 |
400 | 775 | 1010 | 580 | 525 | 16-31 |