Bailey 707VD Safety Relief Valve Male x Female (AFLAS Disk with Dome Top – Suitable for Gas Service)

**Features & Benefits** - Compact wafer design ideal for installation in confined spaces - Highly accurate flow measurement - Equipped with red and blue test points for easy identification of upstream and downstream ports - Flow measurement accuracy at normal velocities is ±5% - WRAS Approved for drinking water applications, available in sizes DN65 to DN150 **Specifications** - Kitemarked to BS 7350:1990 - Outside diameter ensures the metering station is centrally located on the appropriate BS EN 1092-2 PN16 flange - Compatible with various other flanges - Complete with extensions and Figure 631 test points; refer to Figure 631 data sheet for additional details - Flow charts available for comprehensive analysis **Pressure/Temperature Rating** - 16 Barg pressure rating from -10 to 120ºC Optimise your flow measurement with our compact, accurate, and WRAS approved solution, perfect for drinking water applications. Whether you require precise measurements in tight spaces or compatibility with existing systems, our advanced flow meter delivers reliability and performance.

The Rhodes 408 Sight Glass with Spinner is a double-sided indicator designed for versatile installation in both horizontal and vertical orientations. Capable of handling a wide flow range, this sight glass enhances the functionality of the smaller Figure 400, making it suitable for larger applications and elevated temperature environments.

This robust product is offered with either flanged or screwed end connections and a variety of material options to suit diverse operational needs. Featuring a stainless steel spinner and mounting pin, the Rhodes 408 ensures exceptional corrosion resistance. Unlike many competitors who source components from the Far East, Rhodes Sight Glasses are fully manufactured in the UK, utilising domestic castings.

Available Sizes: Screwed: 1/4" to 2" / Flanged: 3/4" to 4"

Connection Types: Screwed or Flanged (various types available)

Material Options: Cast Iron, Gunmetal, Carbon Steel, Stainless Steel

Maximum System Pressure: Up to 20 Barg, depending on size and material (please refer to the datasheet)

Temperature Range: Up to 250°C, depending on material (please refer to the datasheet)

Additional Information: Fully compliant with the Pressure Equipment Directive (PED) and proudly manufactured in the UK.

For high-quality sight glasses built to last, choose the Rhodes 408 Sight Glass with Spinner – the optimal choice for your industrial applications.

Product Specifications

Sizes Available:

• 1/2" (DN15)
• 3/4" (DN20)
• 1" (DN25)
• 1.1/4" (DN32)
• 1.1/2" (DN40)
• 2" (DN50)

Connections:

• Flanged PN40 Inlet
• Flanged PN40 Outlet

Materials:

• Body/Bonnet: Gunmetal for sizes DN15 and DN20, Brass for DN25, and Cast Iron for DN32 and above
• Disk: Regulating Piston: Brass
• Joints & Seals: NBR Seals

Medium Compatibility:

Our product is designed to handle gases and liquids, including:

• Water (suitable for potable drinking water)
• Neutral non-viscous fluids
• Compressed air
• Nitrogen
• Non-combustible gases

Note: Not suitable for steam.

Inlet Pressure (Maximum): 40 Barg

Outlet Pressure Range: 1.5 to 20 Barg

Cv Range:

Temperature Rating: Maximum of 100°C

Regulatory Approvals: Complies with PED 97/23/CE, Category I

Additional Notes: The highest reduction ratio is 6:1. For guidance on sizing, please utilise our sizing calculator located in the TECHNICAL INFO section on the menu bar above.

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