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Fixed Orifice Double Regulating Valve – Bronze
The bronze Hattersley Fig 1732 Fixed Orifice Double Regulating Valve (FODRV) commissioning range offers accuracy of +/-5% on all settings. The integral fixed orifice design offers greater accuracy, makes set-up easier and involves fewer connections resulting in lower installation costs.
Features & Benefits
- Provides precise and accurate flow regulation
- Easy to operate with handwheel and numerical indicator
- Integral orifice and test points – no need for separate DRV and metering station
- WRAS Approved for use with potable water to 85°C
- Positive flow control at all handwheel settings
- The FODRV offers an accuracy of ± 5% on all settings, for precise flow regulation and measurement
Material Specification
Handwheel: Plastic
Stem: DZR copper alloy
Stem Seals: EPDM
Disc: DZR copper alloy
Disc Seal (1-2"): PTFE
Bonnet: DZR copper alloy
Body: Bronze 1982 CC491K
Orifice Insert: DZR copper alloy
Figure 631 Test Valve: DZR copper alloy
Pressure/Temperature Rating (Threaded Ends)
- BS 7350 PN20
- 17.2 bar at 120ºC
- 20 bar at -10 to 100ºC
Specification
- Conforms to BS7350: 1990
- Handwheel operated.
- Numerical indicator.
- Inside screw non-rising handwheel.
- Characterised regulating disc.
- Integral fixed orifice.
- Supplied with two Figure 631 test points.
- End connections threaded.
- Sizes 1 to 2" taper threaded
- BS EN 10266 (ISO 7-1) formerly BS 21.
- Sizes 1/2 & 3/4" to ISO 228 parallel.
- WRAS Approved Product.
See datasheet for dimensions and weights.
