Make-up valve for closed heating systems HONEYWELL VF04-1/2E

Make-up valve for closed heating systems HONEYWELL VF04-1/2E

Purpose

VF04 filling valves provide an easy and safe way to fill or top up closed heating systems. This valve combines a pressure reducing valve, a check valve and a shut-off device at once. A separate connection allows the connection of a pressure gauge to check the pressure in the system after filling.

Peculiarities

• Housing with internal and external threaded connections
• Outlet pressure adjustable via green adjustment knob
• The green adjusting knob can also be used as a locking device
• Simplicity of design
• The setting spring does not come into contact with water
• Check valve DIN/DVGW approved
• Equipped with a balanced pressure relief valve seat, fluctuations in inlet pressure do not affect outlet pressure
• Built-in locking device
• Available with various connections

Design

The supply valve consists of:

• Housings with G ¼” pressure gauge connection
• Spring cap with adjustable distance
• Green adjustment knob
• Pressure reducing valve
• bypass valve insert
• locking insert

materials

• Brass body, resistant to disinfection
• Spring cover made of high quality synthetic material
• Spring steel tuning spring
• Bypass valve insert made of high-quality synthetic material
• Fibre-reinforced nitrile rubber membrane
• NBR seals