Valve Tozen GDRV101 1 Inch 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.
Function
- Balancing
- Measuring
- Pre-setting
- Isolating
Features
- Y-pattern globe design
- Integral fixed orifice plate to form a fixed orifice flow measurement unit with regulation and isolation function.
- Accuracy +/-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
- Comply to BS 7350
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
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 : 1 Inch ( 25 mm )
- LxH : 105mm x 125mm
- Weight : 0.8 kg
- Kvs : 9.1
