Level measurement A brand of Bachofen AG www.trimodbesta.com

Alarm, measurement and Control with TrimodʼBesta The selection and combination of switching, flange and float modules is carried out according to the process and functional requirements, based on a modular system. This enables customerspecific solutions to be realised using standard components. Max/min limits Pneumatic control Alarm level high Pump and valve control Maximum Minimum Pump and valve control Separation layer control External level control Level Switch Brochure Alarm level high/low Alarm level high/low

Reliable, user-friendly and easy to integrate at any time Trimod'Besta level switches impress with their exceptional robustness. They are user-friendly, can be connected quickly and easily, and therefore ensure straightforward commissioning. Of course, the covers and screws are designed to be captive, so they cannot be lost. 01 Wiring diagram on inside of cover 02 Self-lifting, easily accessible ground terminal 04 The switch module can be disassembled with just two screws 05 IP65: captive moulded seal. IP66/IP67 and IP68: O-ring seal 06 Easily accessible equipotential bonding 07 Captive cover...

Switch modules ■ switching elements: micro- and proximity switches ■ pneumatic with ON/OFF output; max. 10 bar ■ pneumatic with proportional output; 0.2 to 1 bar ■ housings made of aluminium and CrNiMo (equivalent to 316) ■ explosion proof versions; ATEX, lECEx, UKCA Ex ■ self lifting terminals for perfect connections ■ Safety Integrity Level: SIL 1 and SIL 2 Flange modules ■ Square flange made of 1.4408, bolt circle diameter 92 mm ■ special flanges with 98, 105 and 114 mm bolt circle diameters ■ EN/DIN, ANSI and JIS compliant industrial flanges ■ fixed flanges made of CrNiMo (equivalent to 316)...

Customer-specific solutions based on cost-effective standard components Side mount combinations 01 with microswitch or proximity switches, also available in explosion proof versions 02 pneumatic switch module with ON/OFF or proportional output 03 with enclosure IP68 for underwater Installation 04 with heat exchanger for high or low operating temperatures 05 stainless steel (CrNiMo) 1.4408 square flange, 92 mm pitch circle diameter 06 industrial flange acc. to EN/DIN, ANSI and JIS made of PP and PTFE 07 industrial flange acc. to EN/DIN, ANSI and JIS made of CrNiMo (equivalent to 316) and Hastelloy...

Standard switches The TrimodʼBesta standard range: versatile, robust and economical TrimodʼBesta, the flexible one. Its range of applications is virtually unlimited – even under extreme conditions such as high and low temperatures, low density, vacuum or high pressure, reliable operation is ensured. The most popular switches Type A 01 041 Nominal pressure Operating temperature Ambient temperature Operating differential Housing material seawater resistant aluminium Flange material Float material stainless steel (CrNiMo/equivalent to 316) Flange dimensions square 92 × 92 mm, bolt circle diameter...

Standard switches With protective bellows for use in contaminated media Type A 01 051 Protective bellows material NBR Operating temperature Safety Integrity Level Type A 01 052 Protective bellows material Silicone Operating temperature Safety Integrity Level Type A 01 053 Protective bellows material FPM Operating temperature Safety Integrity Level Similar version Type A 01 051E15 Protective bellows material PTFE Operating temperature Safety Integrity Level Other technical data Special version for wastewater and sewage tanks. Technical data compa rable to A 01 051. For manually adjustable switching...

Pneumatic switch Type P 01 04 Function Control pressure Nominal pressure Operating temperature Ambient temperature Density of the medium Operating differential Control connections Housing material Flange material Float material ON/OFF (3/2-way valve) max. 10 bar PN 25 to EN/DIN 1 to 250 °C 1 to 80 °C min. 0.7 kg/dm3 12 mm, fixed G 1/8" (BSPP) internal thread seawater resistant aluminium stainless steel (1.4408/equivalent to 316) stainless steel (CrNiMo/equivalent to 316) Options Type 5P 01 04 all stainless steel (CrNiMo) design Type FP 01 04 with declaration of conformity for use in explosion...

Standard switches Vertical switch – for top mount installations Type A 01 140 and A 01 141 Function 2-point control (pump) or 1 switching point (alarm) Nominal pressure Operating temperature Ambient temperature pump control: min. 0.45 kg/dm³ alarm: min. 0.30 kg/dm³ Operating differential Housing material seawater resistant aluminium Flange material Float material stainless steel (CrNiMo/equivalent to 316) Flange dimensions square 92 × 92 mm, bolt circle diameter 92 mm Switching element microswitch, changeover switch (SPDT) with silver contacts Switch rating Safety Integrity Level counter weight...

Industrial switches The wide range of applications offered by the Trimod'Besta level switches is particularly evident in the industrial range. They can withstand high operating pressures, aggressive media and process temperatures of up to 400 °C, making them ideally suited to demanding industrial applications. Type A 22C 04 Nominal pressure Operating temperature Ambient temperature Density of the medium Operating differential Housing material Flange material Sealing unit Slip-on flange Float material Flange dimensions Flange facing Switching element Switch rating Enclosure Safety Integrity Level...

Plastic switches The Trimod’Besta plastic range for highly aggressive media All wetted parts are manufactured from high-quality plastics such as PP or PTFE. The switches are available with industrial flanges in accordance with EN/DIN, ANSI and JIS standards. Type A 304 98 Nominal pressure Operating temperature Ambient temperature Density of the medium Operating differential Housing material Flange material Sealing unit Slip-on flange Float material Flange dimensions Flange facing Switching element Switch rating Enclosure A typical Trimod’Besta plastic switch seawater resistant aluminium PTFE...