Description

FEATURES
• Chrome-plated plug for long life.
• Optimized characteristic for supply water temperature control
• Protected against corrosion and blocking
• Reliable mounting for electrical actuators
• Clear position indicator
• Wide range of flow rates with suitable actuators

SPECIFICATIONS

Nominal static pressure:6 bar, 600kPaMaximum pressure drop: depending on type (see section “Specification and Order Number” on page 2)Leakage rate: 1% of kvsPorts: Internal threads / flange in accordance with DIN EN 1092-2 depending on type (see section “Specification and Order Number” on page 2)Angle of rotation :90 °Internal threads: 8 windings longPacking: Double o-ring sealingMaterial body: Cast ironMaterial inner parts: Chrome-plated cast ironMedium: Heating water according to VDI 2035 (oxygen concentration less than 0.2 g/m3 , pH 8…9.5), glycol-watermixtures (max. 50% glycol)Water temperatures: in the valve 2 to 130 °C, non-condensingWeight: depend on type (see sections “Dimensions with DRxxGMLA (mm)” and “Dimensions with DRxxxGFLA (mm)” on page 3)Flow characteristic :equal percentage