Double Regulating Valve Tozen 15mm are installed and used in centralised heating and cooling systems to obtain design flow rates of each terminal units and balancing the circuits in the building.
Features
- Y-pattern globe design
- Integral fixed orifice plate to form a fixed orifice flow measurement unit with regulation and isolation function
- Accuracy of +/- 5% at full open position of the valve.
- Equipped with 2 measuring nipples for differential pressure measurement
- Microset handwheel adjustment with easily readable settings
- Multi turn adjustment range for maximum flow control
- Double regulating feature allows valve opening to be set with allen key
- long neck for thermal insulation
- Bronze body of PN25 pressure rating.
Specification
- Type : Fixed orifice
- Size Range : 15mm -50mm
- Max. working pressure : 25 bar
- Testing pressure : 37.5 bar (Shell)
27.5 bar (Seat) - Working temperature : -100C to 1200C
- Connection BS 21 (ISO7)
ANSI B1 20.1 - Standard : Comply to BS 7350
Function
- Balancing
- Measuring
- Pre-setting
- Isolating
Materials
| Part | Material | ASTM | EN |
| Body | Bronze | B62 B83600 | EN1982 CC491K |
| Bonnet | DZR Brass | B453 C35330 | EN12165 CW602N |
| Stem | DZR Brass | B453 C35330 | EN12165 CW602N |
| Disc | DZR Brass | B453 C35330 | EN12165 CW602N |
| Onfice Insert | DZR Brass | B453 C35330 | EN12165 CW602N |
| Measuring Nipples | DZR Brass | B453 C35330 | EN12165 CW602N |
| O-ring | EPDM | ||
| Handwheel | ABS |
Dimensions
- Size : 15 mm ( 1/2 Inch )
- LxH : 90mm x 109mm
- Weight : 0.6 kg
- Kvs : 2.20
