C6097 · Edition 01.19 21
Technical data
6 Technical data
6.1 General
Gas type: natural gas, town gas, LPG (gaseous), flue
gas, biogas (max. 0.1 %-by-vol. H
2
S) and air.
Max. inlet pressure p
max.
= withstand pressure, see
page 22 (Adjusting range, switching hysteresis).
Electrical connection type: screw terminals.
Diaphragm pressure switch, silicone-free.
Diaphragm: NBR.
Housing: glass fibre reinforced PBT plastic with low gas
release.
Lower housing section: AlSi 12.
Enclosure: IP 65, safety class: 1.
Max. medium and ambient temperatures, see
page 21 (EU certified pressure switches) and
page 22 (UL, FM certified pressure switches).
Storage and transport temperature:
20 to +40°C (4 to +104°F).
Long-term use in the upper ambient temperature range
accelerates the ageing of the elastomer materials and
reduces the service life (please contact manufacturer).
The set switching point may palpably change in media
and ambient temperatures below 22°F (30 °C).
Recommended tightening torque:
Component Tightening torque [Ncm]
Cover screws 65
M16 x 1.5 cable gland 50
½" NPT conduit 170 (15 lb")
Rp pipe connection, aluminium 250
Rp ¼ (¼" NPT) gas connection 1300
Rp air connection, switch housing 250
Clamping terminal screws 80
T15 test point screw 150
Weight:
270 to 320 g (9.5 to 11.3 oz) depending on equipment.
6.2 EU certified pressure switches
Max. test pressure for testing the entire system:
temporarily < 15 minutes 2 bar (29 psig).
Switching capacity:
U = 24–250 V AC,
I = 0.05–5 A at cos ϕ = 1,
I = 0.05–1 A at cos ϕ = 0.6.
Maximum medium and ambient temperatures:
20 to +80°C (4 to +176°F),
Line entrance:
M16 x 1.5 cable gland,
clamping range: diameters of 4 to 10 mm.
Cable diameter: AWG 24 to AWG 13,
0.5 to 1.8 mm (0.02 to 0.07").
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