• AUTOMATIC AIR VENTS 2161C WATTS
  • AUTOMATIC AIR VENTS 2161C WATTS
  • AUTOMATIC AIR VENTS 2161C WATTS
  • AUTOMATIC AIR VENTS 2161C WATTS

AUTOMATIC AIR VENTS 2161C WATTS

Dubai - United Arab Emirates

AED36.00

Date : December 14, 2022
Brand : GENERIC
Model no : NA

Description

AUTOMATIC AIR VENTS 2161C WATTS

The automatic operation of the air vent valves is based on a float system ensuring tight seal: valve opening and closing is determined by the float movement (up-down). When there is air in the valve, the force of the float weight acts on the lever which is integral with the plug, thus causing it to move down. In such situation the seat is free and allows the air to be vented outside. When filling the system with water, the air entrapped in the water circuit is pushed towards the outside via the valves. As soon as all the entrapped air is discharged, the water, entering the tank, pushes the float up. Consequently, the lever moves the plug to press against the seat thus ensuring tight sealing of the system, thus preventing the heat carrier fluid from flowing out.

The design feature of this device is that it enables air to be discharged from the system automatically while it is being emptied. The Series 2311C or Series RIA check valves may be used to carry out maintenance work while the system is pressurized. The operation of the check valve is based on a spring-activated device, sensitive to the pressure of the system, which ensures a seal by means of O-Rings made of EPDM when there is no air vent valve. The reliability of the air vent valves is ensured by a series of tests carried out on 100% of products to check that the body and its components are watertight.

Design features
Body : Brass OT 58
Cover : Brass OT 58
Plug : EPDM rubber
Spring : Stainless steel
Cap : Polyamide
Lever : Polyacetal
Float : High density expanded polyethylene
Seals : NBR rubber
Plug head : Polyacetal
Plug button : Polyacetal
Spring : Stainless steel
Connections : M 1/4″ – 3/8″ – 1/2″ DIN – ISO 228/1
Technical features
Nominal pressure : 12 bar
Max. pressure : 8 bar
Max. operating temperature : 115°C

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