Hattersley 1732 FODRV 1/2 BSP Double Regulating Valve Heating Balancing Valve HVAC System Genuine Quality Plumbing Part 20077407 UK Stock

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The Hattersley Fig 1732 Double Regulating Valve (FODRV) 1/2" BSP is a high-quality balancing valve designed for precise flow regulation in heating and cooling systems.

Manufactured to professional standards, this valve ensures accurate system balancing, efficient performance, and long-term reliability.

Ideal for use in commercial and domestic HVAC systems, it allows engineers to control and measure flow rates effectively, improving system efficiency and reducing energy consumption.

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Features:

• 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

Accuracy for precise flow regulation and measurement

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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

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Pressure/Temperature Rating (Threaded Ends):

• BS 7350 PN20
• 17.2 bar at 120ºC
• 20 bar at -10 to 100ºC

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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.
• WRAS Approved Product.

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