Dart Instruments | Providing Australian Industry high quality pressure & temperature instrumentation

Pressure Switches:

Industrial; Marine; Hydraulic; Engines

PST4 (9B4 series)
Marine approved heavy duty compact pressure switch with high shock and vibration resistance. Ranges 0..+25 bar. G1/4” (F) Bronze process connection Aluminium bellows sensor, with fixed switching differential. Protected external setting. Electrical connector EN175301-803 large 90 degree connector to IP65. Flanged version available.

PST (9BO series)
Marine approved heavy duty compact pressure switch with high shock and vibration resistance. Ranges -0.6..+40 bar. G1/4” (F) Bronze process connection Brass bellows, with fixed switching differential. Protected external setting. Electrical connector EN175301-803 large 90 degree connector to IP65. Flanged version available. Two versions available with S/S bellows up to +16 bar.

PSTM (9MO series)
Marine approved heavy duty compact pressure switch with high shock and vibration resistance. Ranges +1..+100 bar. G1/4” (F) Brass process connection with FKM membrane, with fixed switching differential. Protected external setting. Electrical connector EN175301-803 large 90 degree connector to IP65. Flanged version available.

PSTK (9KO series)
Marine approved heavy duty compact pressure switch with high shock and vibration resistance. Ranges +1..+400 bar. G1/4” (F) S/S process connection with S/S piston, with fixed switching differential. Protected external setting. Electrical connector EN175301-803 large 90 degree connector to IP65. Flanged version available.

P (900 series)
Marine approved heavy duty bellows (bronze) pressure switch with high shock and vibration resistance. Ranges -0.9 to +40 bar. G1/4” (F) process connection in brass, with fixed switching differential. Epoxy coated aluminium housing. Internal setting. M20x1.5 cable gland to IP65. Stainless Steel housing available.

PV/PVF (903/940 series)
Marine approved heavy duty bellows (bronze) pressure switch with high shock and vibration resistance. Ranges -0.9 to +40 bar. G1/4” (F) process connection in brass. Two versions with large and small adjustable switching differential. Epoxy coated aluminium housing. Internal setting. M20x1.5 cable gland to IP65. Stainless Steel housing available.

PK (944 series)
Marine approved heavy duty piston pressure switch with high shock and vibration resistance. Ranges +1 to +400 bar. G1/4” (F) process connection and piston in S/S with fixed switching differential. Epoxy coated aluminium housing. Internal setting. M20x1.5 cable gland to IP65. Stainless Steel housing available.

Across the entire range customisation of these products is possible with process connection, pressure range and microswitch specification. Application specific customisation of products is possible, with fast turnaround. Please contact us to discuss your specific application.