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Overview of different types of Pressure Switches.
I] Bellow type Pressure Switch 
- Enclosure: Steel Plated with Plastic Cover, IP 32
- Pressure Range : 0….30 bar (with PSI)
- Mounting : Bottom / Panel (Available with mounting accessories)
- Connection : 1/4” BSP/NPT
- Type & No. of Switches : 1 SPDT
- Sensing Element : Phosphor bronze bellows
II] Diaphragm type Pressure Switch
- Enclosure: Weatherproof with IP 66/ Ex
plosion proof
- Pressure Range : (-)1…..40 bar
- Mounting : Bottom / Panel (Available with mounting accessories)
- Connection : 1/4” NPT(M/F), 3/8” BSP(M/F), 1/2” BSP/NPT(M/F), Flanged Connection
- Type & No. of Switches : SPDT/DPDT & 1 / 2
- Sensing Element : SS 316L
III] Piston Actuated Pressure Switch
- Enclosure: Piston type Weatherproof with IP 66/ Explosion proof
- Pressure Range : 5….600 bar
- Mounting : Bottom / Panel (Available with mounting accessories)
- Connection : 1/4” NPT(M/F), 3/8” BSP(M/F), 1/2” BSP/NPT(M/F), Flanged Connection
- Type & No. of Switches : SPDT/DPDT & 1 / 2
- Sensing Element : SS 316L
IV] Differential Pressure Switch
- Enclosure: Weatherproof with IP 66/ Explosion proof
- Pressure Range : 3…600 mbar, 0.1..25 bar
- Mounting : Bottom / Panel (Available with mounting accessories)
- Connection : 1/4” NPT(M/F), 3/8” BSP(M/F), 1/2” BSP/NPT(M/F), Flanged Connection
- Type & No. of Switches : SPDT/DPDT & 1 / 2
- Sensing Element : SS 316L / Alluminium [Based on Ranges]