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Explosion proof type differential pressure switch (Up to 20 kPa)_P991 series

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Details

Service intended

P991 explosion proof type differential switch series are bellows type, and these are primarily used for detecting the draft pressure in thermal power plants.

Fluid	Air and gas
Repeatability	±1.5 % of full range
Dead band	Fixed. 0.25 ~ 0.8 kPa or less
Differential pressure range (kPa)	0 ~ 4 kPa to 0 ~ 20 kPa
Static pressure	500 kPa
Working temperature	Ambient : -20 ~ 65 °C Fluid : Max. 60 °C
Degress of protection	EN60529/IEC529/IP65

Standard features

Pressure connection	Stainless steel (316L SS)
Element	Bellows : Stainless steel (316L SS) Gasket : PTFE
Mounting	Surface wall mounting
Setpoint adjustment	Internal
Contact	One SPDT Two SPDT (Only available with single setpoint)
Contact rating	SPDT contact rating AC 125 V / 250 V, 15 A DC 125 V, 0.4 A for resistance load DC 125V, 0.03 A for inductive load
Conduit connection	¾" PF (F)
Process connection	¼" NPT (F)
Operating environment	Hazardous area refer to the explosion-proof item for information
Certificates	KCS Ex d IIC T6
Option	3-way manifold valve 5-way manifold valve