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R401D-R402D / Radiators valves with thermostatic option

The D series valves with thermostatic option are indicated in the radiator
systems where it is expected the installation of thermostatic heads to control
the room temperature in order to optimize the consumption.
When the special worksite protection handwheel is fully closed, it is possible
to exceed static pressure values of 10 bar with the system disabled.
In any case, it is advised to connect the heating elements before carrying out
the pressurised seal tests on the system.

Specifications

R401D:
Angle valve with thermostatic option, chrome plated, with iron pipe
connection. Body and main components: UNI EN 12165 CW617N chrome
plated brass. Monobloc command stem: stainless steel. Worksite protection
handwheel: PP-H. Gaskets: EPDM. Fluid of use: water and glycol solutions
(max. 30 %). Temperature range: 5÷110 °C. Max. working pressure: 16 bar with
worksite protection handwheel; 10 bar in combination with thermostatic
head. Max. differential pressure with thermostatic head: 1,4 bar (1/2”); 0,7 bar
(3/4”). Can be combined with thermostatic heads R460, R468, R468C, R470
(Clip-Clap quick connection). KEYMARK (EN215) certification.

R402D:
Straight valve with thermostatic option, chrome plated, with iron pipe
connection. Body and main components: UNI EN 12165 CW617N chrome
plated brass. Monobloc command stem: stainless steel. Worksite protection
handwheel: PP-H. Gaskets: EPDM. Fluid of use: water and glycol solutions
(max. 30 %). Temperature range: 5÷110 °C. Max. working pressure: 16 bar with
worksite protection handwheel; 10 bar in combination with thermostatic
head. Max. differential pressure with thermostatic head: 1,4 bar (1/2”); 0,7 bar
(3/4”). Can be combined with thermostatic heads R460, R468, R468C, R470
(Clip-Clap quick connection). KEYMARK (EN215) certification.

Technical data

• Fluid of use: water and glycol solutions (max. 30 %)
• Temperature range: 5÷110 °C
• Max. working pressure: 16 bar with worksite protection handwheel
10 bar in combination with thermostatic head
• Max. differential pressure with thermostatic head: 1,4 bar (1/2”); 0,7 bar (3/4”)
• Can be combined with thermostatic heads R460, R468, R468C, R470 (Clip-Clap quick connection)

Materials

• Body and main components: UNI EN 12165 CW617N chrome plated brass
• Monobloc command stem: stainless steel
• Worksite protection handwheel: PP-H
• Gaskets: EPDM

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