Honeywell Maximum pressure limiter of 'special construction' (SDB)
Maximum pressure limiter with selfmonitoring sensor and internal relock
For steam and hot water.
Kind of pressure: overpressure, relative
Pressure connection: internal thread G1/4, external thread G1/2
Electrical connection: Plug DIN EN 175301
IP class: IP54
Housing material: rugged housing of seawater resistant aluminium die casting GD Al Si 12.
Sensing element material: Stainless Steel
Media temp.: -20...70C
Media temp. limit: temperatures up to 85 oC are allowable for short periods. Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)
Ambient temperature: -20...70C
Ambient temp. limit: at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device
Switch function/capacity: SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistive
Certificates: TUEV-SDB-11-134 according VdTUEV Memorandum Pressure 100, Issue 07.2006, DIN EN 12952-11, Issue 09.2007 and DIN EN 12953-9, Issue 09.2007
01 202 931-B-11-0001 according to Directive 97/23/EC
SIL2 according IEC 61508
Pressure interlock: maximum press.
Medium type: hot water, steam
Scale calibration: rising pressure
Pressure adjustment range: 0.4...2.5bar
Switching diff.: 0.15bar
Max. pressure: 5bar