WISE P991 Explosion Proof Differential Pressure Switch, Up to 20 kPa

Explosion proof bellows type differential pressure switch for low ranges up to 20 kPa, primarily used to detect draft pressure in thermal power plants.

Key features

Differential ranges 0~4 to 0~20 kPa
316L SS bellows with PTFE gasket
Max. static pressure 500 kPa
Standard or high sensitivity switch
Optional 3-way / 5-way manifold valve

Specifications

Differential range	0~4, 5, 7, 10, 20 kPa; -2~+2, -5~+5 kPa
Static pressure	Max. 500 kPa
Contact	One SPDT or two SPDT (single setpoint)
Contact rating	SPDT: AC 125/250 V 15 A; DC 125 V 0.4 A (resistive), 0.03 A (inductive)
Repeatability	±1.5% of full range
Dead band	Fixed, 0.25~0.8 kPa or less
Element	Bellows 316L SS, PTFE gasket
Process / conduit connection	1/4" NPT (F) / 3/4" PF (F)
Working temperature	Ambient -20~65 °C; fluid max. 60 °C (air and gas)
Certificates	KCS Ex d IIC T6
Ordering options	Switch form, contact, bracket material, range, switch type, manifold valve
Source	WISE data sheet PD09-13

P991

Range: 0~4 to 0~20 kPa | Elem: Bellows

Pressure SwitchesWISE

1 product code available in this family

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WISE P991 Explosion Proof Differential Pressure Switch, Up to 20 kPa

Brand WISE·Pressure Switches

Available part numbers (1)

P991

How to order

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