Designations
Sku STS-20.S
Specification
Weight (kg) 0.6
Shipping
Availability 1 day of implementation Medium Stock: 89
Expected delivery date 23.05 - 24.05
Shipping from €12.18
Or pay directly:
€87.88
Price includes VAT

Description

Safety valve STS 20 S WATTS 3/4 95°C is a thermostatic valve that protects all types of boilers and fireplaces with a water jacket, in which solid fuel is used (such as coal, wood, coke), against the possibility of boiling water in the central heating system, e.g. when there is no electricity supply.

 

SCOPE OF APPLICATION

Thermal outflow protection is required in the case of variable flame boilers and heating installations using solid fuels. STS20S drain protection is a pressure-independent valve, activated by the temperature of the medium at the outlet from the heat source. At 97°C (+/-) 2°C, the DHW outflow from the heater opens. In this way, the valve prevents the temperature from rising above 110°C (the maximum opening).

 

EXECUTION

Thermal drainage protection is manufactured in accordance with DIN 3440.

 

TECHNICAL DATA

Min. operating temperature: -10°C

Min. opening temperature: 97°C

Max. operating temperature: 110°C

Operating excess pressure: 10 bar

Maximum flow: 6.5 m3/h

 

Note! According to DIN 1988, thermal drain protection does not replace the required membrane safety valve. In accordance with DIN 4751, the user of the device is required once a year to commission a specialist check of the drainage protection in terms of the correctness of operation.

 

TECHNICAL PROPERTIES

- body and cover made of brass [58% Cu, 3% PbJ CW617N according to PN-EN 12165: 2011 E]

- Viton seal

- spring made of stainless steel

- manual plastic drain button

- copper capillary tube, 1300 mm in the cover.

Technical data

Additional information
EAN8019001066405
Physical parameters
Width (cm)5
Height (cm)32
Depth (cm)2
Weight (kg)0.6

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