Siemens Building Technology VVG44.15-2.5 2-Way Seat Valve 1/2" 2.5 Cv

The Siemens Building Technology VVG44.15-2.5 is a 2-port (2-way) threaded seat control valve in 1/2" (DN15) size, with a flow coefficient of 2.5 Cv. It is made for chilled water and low-temperature hot water in closed HVAC circuits. It works as a control or shut-off valve and is designed to be driven by Siemens SAS.. series actuators.

Key Features:

• Valve type: 2-port seat valve with external thread connections
• Nominal size: DN15 (1/2")
• Flow rating: 2.5 Cv; Siemens lists kvs 2.5 m³/h
• Pressure class: PN16, with a permissible operating pressure of 1600 kPa
• Medium temperature: 1 to 120 °C
• Valve characteristic: Linear, with a 5.5 mm stroke
• Connection thread: G 1" B per ISO 228/1
• Body material: Red brass; the inner set is CrNi steel and brass
• Leakage rate: 0.02 to 0.1% of kvs
• Actuator compatibility: Siemens SAS.. actuators

The external threads accept ALG.. union sets, or ALS.. sets for welded joints. A manual cover cap is fitted before the actuator is installed. Part of the Siemens Acvatix valve range, this valve suits small and medium heating, ventilation and cooling systems. The valve cannot be converted to a 3-way valve.