Norma Valve - Ratio Press - Screw - BSP - Red - 2:1 - 1inch - 08372512065

Features

• Reduces pressure by a designated ratio to protect applications from
  pressure induced damage, commonly installed in high rise apartments


• 50 years of development and installation history worldwide also
  reduces surge and water hammer


• Valve is tamper proof in situ, but compact design makes servicing easy
  with only one moving part the design promotes minimal head loss with
  superior fluid dynamics


• Can be installed in any orientation but direction of flow is specific


• Configuration is flexible, with higher ratios and hot water
  application obtainable upon request


• Regulating water pressure in high rise apartments and main supply line


• Copper alloy body, spigot, and seat retainer


• Seat and O-Rings are made of (NBR) rubber to comply with BS 6920,
  which can be flipped to extend its life


• Piston is machined 316 stainless steel


• BS21 BSPT thread equivalent to ISO 7


• Standard operating temperature range: +5°C to +80°C


• Standard operating pressure range: 300k – 2,000kPa


• In-line Y-Strainer and at least one union are recommended upon
  installation


• Fully serviceable, recommended overhaul period is every five years


• (service kits available – sold separately)


• Each valve is individually stamped and guaranteed for five years from
  the time of purchase

Applications

• Ideal for use with fire hydrants, mines, oil rigs, altitude or any
  other situation where an outlet pressure differential makes the system
  vulnerable

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