vacuum-switch-for-aggressive-liquid-gas-vns.png

Vacuum switch for aggressive liquid, gas (VNS)

Xuất sứ: Germany

Nhà cung cấp: Pites

Hãng sản xuất: Fema Honeywell

Liên hệ tư vấn

Mr. Hà

ha@pitesco.com

0392.407.993

live:ha_1652

For monitoring and controlling pressures in devices of the chemical industry and in the process engineering as well as wherever the pressure of aggressive liquids and gases has to be monitored.
Kind of pressure vacuum, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection Plug DIN EN 175301
Protection class IP54
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si 12.
Media temp. -25 ... 70 oC
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 -25 ... 70 oC
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
Optional functions add the type numbers below to the listed type numbers for extra functionality as described
• -301: terminal connection housing, IP65
• -307: two microswitches, switching in parallel or in succession, fixed switching interval, terminal connection case, IP65
• -217: two microswitches, 1 plug, switching in succession, adjustable switching interval
• -213: gold-plated contacts, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA. And others not available with adjustable switching difference.
• -351: protection class IP65 and switching housing with surface protection (chemical version)
• -513: gold-plated contacts, switching differential permanent, IP65, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA; suitable isolating switching amplifier necessary, degree of protection Ex-i
Certificates SIL2 according IEC 61508-2
Sensing element material 1.4571
applcertmarksilge51
Fixed pressure hysteresis
Pressure adjustment range Adjustable switching differential Switching differential Max. pressure Type
bar mbar mbar bar  
-0.25 ... 0.1 — 45 3 VNS301-201  
-1 ... 0.1 — 50 6 VNS111-201  
Adjustable pressure hysteresis
Pressure adjustment range Adjustable switching differential Switching differential Max. pressure Type
bar mbar mbar bar  
-0.25 ... 0.1 70 ... 300 — 3 VNS301-203  
-1 ... 0.1 90 ... 550 — 6 VNS111-203  
Description Additional Product Type
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories for Pressure Switches / Transmitters) U430B