Bronze Balancing Valve
Material:Ductile iron,stainless steel,brass,bronze
Painting: Inside and outside blue epoxy powder coated
Working Pressure: 1.6Mpa (PN16)
Working Temperature: 0~120°C
Flange Standard: EN1092-2/BS4504/ANSI B16.1
- Tel:+86- 532- 55785171 / 55785172 / 55786571 / 55786572
- E-mail:info@qdiflow.com
Description
SPECIFICATION
Manual balancing valve in bronze with test port across the valve-either side of the precision valve cone and orifice. Flow is controlled by hand wheel and measurable by indicator on the hand wheel. For use in heating/aircon piping systems to balance fows in each zone and prevent overfows in terminal units.
DN15-50, PN25.
Thread to BS 21
USE: For water to max. 90℃
TEST: Hydraulic test to BS EN 12266
Seat: 1.1 x PN Body: 1.5 x PN
Specification
| NO. | PART | MATERIAL |
 |
| 1 | Body | Bronze CC491K | |
| 2 | Disc | DZR Brass CW602N | |
| 3 | Seat | PTFE DN25-50 | |
| 4 | Disc retaining ring | DZR Brass CW602N | |
| 5 | O-ring | EPDM | |
| 6 | Bonnet |
DZR Brass CW602N DN15-25 Bronze CC491K DN32-50 |
|
| 7 | Stem | DZR Brass CW602N | |
| 8 | Drive sleeve | Brass EN CW617N | |
| 9 | Handwheel screw | Brass EN CW617N | |
| 10 | Stop screw | Carbon steel | |
| 11 | P/T port | DZR Brass CW602N | |
| 12 | Flow orifice | Brass EN CW617N |
Dimensions data(mm)
| Size | 1/2"/15 | 3/4"/20 | 1"/25 | 1-1/4"/32 | 1-1/2"/40 | 2"/50 |
| L (mm) | 87 | 96 | 100 | 114 | 125 | 146 |
| H (mm) | 105 | 106 | 127 | 128 | 143 | 144 |
| Kvs* (m3/h) | 2.2 | 4.6 | 8.5 | 16.7 | 26.1 | 43.2 |
| Weight (kg) | 0.58 | 0.65 | 0.89 | 1.11 | 1.46 | 1.98 |
*Kvs=m3/h at a pressure drop 1 bar and fully open valve
