Explosion proof pressure switch

Type: P953

 

Service intended

 

P953 diaphragm type pressure switch can be used in a variety of process lines. Internal micro switch is operated by pressure of various fluids, such as atmospheric pressure and water pressure. The pressure sensing part is a force balanced and piston actuated assembly.

 

Fluid

 

Gas and oil

 

Repeatability

 

±1.0 % of adjustable range

 

Adjustable range (mbar, kPa, bar, MPa)

 

0.3 kPa to 15 MPa
-0.1 ~ -0.15 bar to 15 MPa

 

Dead band

 

Fixed
One SPDT : Approx. 5 % adjustable range
Two SPDT : Approx. 10 % of adjustable range

 

Working temperature

 

Ambient : -40 ~ 65 °C
Fluid : Max. 100 °C

 

Degree of protection

 

EN60529/IEC529/IP65

 

 

Standard features

 

Pressure connection

 

Stainless steel (316SS)
316L SS, Monel and Hastelloy-C

 

Element

 

Stainless steel (316L SS)
Monel, Hastelloy-C
Viton (Up to 4 kPa adjustable range)

 

Case and cover

 

ALDC 12.1
Silver gray finished aluminium

 

Process connection

 

¼", ⅜", ½" PT, NPT and PF

 

Contact

 

Micro contact type
One SPDT (P953-1B3)
Two SPDT (P953-2B3)(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" NPT (F)

 

Certificates

 

KCS Ex d IIC T6
ATEX II 2G Ex d IIC T6 Gb
IECEx Ex d IIC T6 Gb

 

 

Download:  CATALOG 

Công tắc áp suất chống cháy nổ P953 (Explosion proof)