safety valves
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List of products
PN 16, T = -10 °C to +120 °C supplied with opening overpressure ranging from 0.5...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 1bar; KD25 DUCO PN 16, T = 0 °C to...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 2,5bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 3,5bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 3bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 4,5bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 4bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 5,5bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,684; 5bar; KD25 DUCO PN 16, T = -10 °C...
Heating safety valve - 1 "Fx5/4 "F; Kv 0,740; 10bar; KD25 DUCO PN 16, T = -10 °C...
Heating relief valve - 1/2 "FF; 1,8bar PN 16, T = 0 °C to +110 °C supplied with...
Heating relief valve - 1/2 "FF; 2,5bar PN 16, T = 0 °C to +110 °C supplied with...
Heating relief valve - 1/2 "FF; 3bar PN 16, T = 0 °C to +110 °C supplied with...
Heating relief valve - 1/2 "FF; 6bar PN 16, T = 0 °C to +110 °C supplied with...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 1,5bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 1,8bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 2,5bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 2bar; KD15 DUCO PN 16, T = -10 °C...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 3,5bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 3bar; KD15 DUCO PN 16, T = -10 °C...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 4,5bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 4bar; KD15 DUCO PN 16, T = -10 °C...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 5,5bar; KD15 DUCO PN 16, T = -10...
Heating safety valve - 1/2 "Fx3/4 "F; Kv 0,540; 5bar; KD15 DUCO PN 16, T = -10 °C...
Heating relief valve - 1/2 "MF; 3bar PN 16, T = 0 °C to +110 °C supplied with...
Heater safety valve - 1/2 "MF; 6bar PN 16, T = 0 °C to +110 °C supplied with...
Heating safety valve - 2 "Fx2 1/2 "F; Kv 0,576; 2,5bar; KD50 DUCO PN 16, T = -10...
Heating safety valve - 2 "Fx2 1/2 "F; Kv 0,576; 4bar; KD50 DUCO PN 16, T = -10 °C...
PN 16, T = 0 °C to +110 °C supplied with opening overpressure ranging from 1.8 to...
Heater safety valve - 3/4 "FF; 3bar PN 16, T = 0 °C to +110 °C supplied with...
Heater safety valve - 3/4 "FF; 6bar PN 16, T = 0 °C to +110 °C supplied with...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 1,5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 1,8bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 1bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 2,5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 2bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 3,5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 3bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 4,5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 5,5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 3/4 "Fx1 "F; Kv 0,580; 5bar; KD20 DUCO PN 16, T = -10 °C...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 2,5bar; KD32 DUCO PN 16, T = -10...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 3,5bar; KD32 DUCO PN 16, T = -10...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 3bar; KD32 DUCO PN 16, T = -10 °C...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 4,5bar; KD32 DUCO PN 16, T = -10...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 4bar; KD32 DUCO PN 16, T = -10 °C...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 5,5bar; KD32 DUCO PN 16, T = -10...
Heating safety valve - 5/4 "Fx6/4 "F; Kv 0,693; 5bar; KD32 DUCO PN 16, T = -10 °C...
Heating safety valve - 6/4 "Fx2 "F; Kv 0,549; 3,5bar; KD40 DUCO PN 16, T = -10 °C...
Heating safety valve - 6/4 "Fx2 "F; Kv 0,549; 4bar; KD40 DUCO PN 16, T = -10 °C...
IVAR.PV 311 safety valves
The IVAR.PV 311 safety valves are designed for use in heating circuits, domestic hot water preparation and cold water distribution systems. All parts of the valves in contact with water and parts under pressure are made of brass. The valve seat is made of silicone rubber and is therefore not at risk of sticking to the cone even at high temperatures. It is also practically not subject to wear at all. Supplied with opening overpressure ranging from 2.5 to 8 bar.

