WTG 633 electric gas preheaters are the direct gas preheaters provided with electric heating elements. WTG 633 gas preheaters are especially used on natural gas regulating station in order to heat the gas flow upstream of the pressure regulators. The operation of the WTG 633 preheater is based on the direct heat transfer from the heating element surface to the gas.
Reference standard: EN 13445
CE certificate according to PED 97/23/EC
CE certificate according to ATEX Directive 94/9/EC
| MODEL | WTG 633 |
|---|---|
| TECHNICAL CHARACTERISTICS |
Body nominal diameter: DN 100 ÷ DN 500 Electric power: 2, 3, 6, 9, 12, 15, 18, 24, 30, 36, 45 kW Supply voltage: 240/400 V a.c. Working medium (according to EN 60079-10): Zone 2 Connection angle: 180º (in line); 90ºL; 90ºR Specific marking: Ex d II B T5 |
| CONNECTION TYPE |
Nominal pressure: PN 16÷ PN 100 bar/ANSI 300/ANSI 400/ ANSI 600 Nominal diameter: DN 25 ÷ DN 150 |
| CONTROL AND PROTECTION ELEMENTS |
Bimetal thermostat: Working voltage: 230 V c.a. Set point temperature: 25,31 ± 5°C or 47 ± 5°C Thermal fuse: Maximum current/Working voltage: 10 A/250 V c.a. Set point temperature: 77ºC or 84°C |
| OPTIONAL ACCESSORIES |
Electric temperature regulator provided with PT 100 temperature sensor and corresponding automation Thermal insulation |
| OPERATING CONDITIONS |
Design temperature: 150°C Ambient temperature: -30 ÷ +60°C |
| WORKING MEDIUM | Natural gas or other non-corrosive gases |
