Boiler Safety Equipment; Thermally Activated Safety Valve 100 °C; Thermally Activated Safety Valve 50-120 °C; Thermally Activated Extinguishing Valve ½", 50-90 °C - Viessmann KOB PYROTEC Technical Manual

Installation accessories

5.2 Boiler safety equipment

Thermally activated safety valve 100 °C
Part no. 7387 405
Standard version for response temperature fixed approx. 100° C, con-
nection R ¾
Thermally activated safety valve 50-120 °C
Part no. 7387 406
Special version for response temperature of 120 ° C, connection R
¾
Standard delivery:
■ Thermally activated safety valve incl. sensor well
Thermally activated extinguishing valve ½", 50-90 °C
Part no. 7387 521
Thermally opening extinguishing valve with adjustable opening tem-
perature for on-site connection to a pressurised water line or an extin-
guishing water container.

Supply screw conveyor two-level

Part no. 7387 804
Version with two-level supply screw conveyor for optional optimised
operation for shavings/chippings (high level) on the one side and for
pellets (low level) on the other
PYROTEC
(cont.)
Standard delivery:
■ Thermally activated safety valve incl. sensor well
Note
Replacement for art. no. K-TS-131; only use with manufacturer dec-
laration
Standard delivery:
■ Extinguishing valve Danfoss AVTA, adjustable 50-90 °C with dirt trap
Standard delivery:
■ Geared motor, supply screw conveyor, pole-changing 750/
■ Starttec for geared motor, pole-changing
■ Software module in the control unit
Note
We recommend the thermally activated safety valve. Even if there is
no need to use it in accordance with the local safety regulations.
300 rpm
5
25