VSB311, Internal thread
VSB311, Internal thread

Safety valve


Safety valves series VSB300 are used to secure solar heating systems against excess pressure.
  • For temperatures up to 160°C.
  • Approved by TÜV.

Product range

VSBX11 front_A-01
VSBX11 side_A-01
Series VSB311, Internal thread
Art.no.ReferenceOpening pressure MPaBlow-off capacity * kW*given at a specified pressure +20%. 1) Acc. to TRD 721 § capacity *2 aw*given at a specified pressure +20%. 2)Acc. to TRD 721 §6.2.5DNConnection AConnection BC mmD mmE mmWeight kgNTCNTC = National Trade Code
36025000VSB3110.35500.5815G 1/2"Rp 3/4"74.734.526.50.16 

Installation support

Installation instruction VSB300

Technical data

Technical data
Pressure class: PN 16 
Temperature, max. (continuosly): +120 °C
max. (temporarily): +160 °C
min.: -10 °C
Connection, Internal thread (G): ISO 228/1 
Internal thread (Rp): EN 10226-1 
Material, Valve housing and other metal parts with fluid contact: Brass, CW 617N 
Conformity CE_A-01
PED 2014/68/EU

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Data Sheet VSB300
Installation instruction VSB300
2D Image VSB311

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