ZTTKR

Chrome thermostatic head for thermostatic radiator valves with pre-setting series 158

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ZTTKR FOR MORE INFO

• DESCRIPTION
• TECHNICAL SPECIFICATION
• HOMOLOGATION AND INSTALLATION
• TECHNICAL LITERATURE

• DESCRIPTION
  0

  The thermostatic valves automatically regulate the flow of hot water in the radiators according to the room temperature set on the
  control knob, thus making each room independent.

  The use of valves with thermostatic heads allows the requirements of thermal
  comfort to meet the needs of the user, thus obtaining significant savings in heating costs, as required by national and international
  standards.

  General features

  • Manual control
  • Sensitive liquid element with built-in sensor.
  • Compact size and attractive design.
  • Hysteresis < 0.4 K.
  • Rotational limit selectors for pre-setting the adjustment range.
  • Low thermal inertia 18 min.
  • Head body in ABS.
  • Chrome finish.
  • Temperature adjustment range 8 ÷ 30°C.
  • Antifreeze position 8°C.
  • Standard connection M30x1.5mm
  • Maximum operating pressure 10 bar.
  • Maximum operating temperature 120°C.
  • Maximum differential pressure 1 bar.
  • Unalterable range -15°C ÷ +50°C.
  • Intermediate position “3” = 20°C.
  • Ring in CW 614 N UNI-EN 12164-98.
• ADVANTAGES
  0

  The thermostatic valves automatically regulate the flow of hot water in the radiators according to the room temperature set on the
  control knob, thus making each room independent.

  The use of valves with thermostatic heads allows the requirements of thermal
  comfort to meet the needs of the user, thus obtaining significant savings in heating costs, as required by national and international
  standards.

  Advantages
• TECHNICAL SPECIFICATION

  Code	Temperature adjustment scale	Antifreeze position	Connection	Sensitive element
  ZTTKR	8 ÷ 30°C	8°C	M30x1.5mm	with liquid

• HOMOLOGATION AND INSTALLATION
  Homologation

  • The ZTTKR is classed as “a low thermal inertia” device and therefore meets the requirements set forth under the Decree of the Italian Ministry of Economy and Finance dated 19 February 2007, “Provisions relating to deductions for energy upgrading costs of existing buildings, pursuant to art. 1, paragraph 349, law 27/12/2006, no. 296”.
  • Keymark approved and tested in compliance with DIN EN 215.

  Installation and use

  • Horizontal installation to allow better heat exchange with the ambient
  • Standard connection M30x1.5mm

  • The thermostatic head consists of a sensor filled with highly expandable liquid.
  • The liquid, which is inside the control knob, is able to expand or shrink according to the increase or decrease in room temperature, noticing even the slightest variations.
  • When the surrounding temperature increases, the liquid expands and, through the axial thrust movement (3), affects the position of the shutter, thus controlling the action of the valve.
  • The flow of the heat transfer fluid can be regulated by opening and closing the valve.
  • When the temperature drops, the opposite happens thanks to the thrust generated by the return spring.
  • The thermostatic head accurately keeps the ambient temperature stable.
  • The value is set by turning the control knob, the numbers on it correspond to a given temperature.
• TECHNICAL LITERATURE
  • ZTTKR EN technical data sheet
• FAQS