Made possible by the 3 - modular concept: unlimited variety of switches

Transcription

1 LEVEL SWITCHES

2 M O D U L E S 2 Made possible by the 3 - modular concept: unlimited variety of switches SWITCH MODULES switch elements, micro switches and proximity switches SPDT and 2xSPDT pneumatic with ON/OFF output pneumatic with proportional output aluminium and stainless steel housings high and low temperature versions IP 65 to IP 68 protection explosion proof versions self lifting clamps for safe connections FLANGE MODULES SS square flange, 92 mm pitch circle diameter (PCD) DIN, ANSI, BS and JIS industrial flanges special flanges with 98, 105 and 114 mm PCD special stainless steel flanges CS and stainless steel combination flanges Hastelloy special flanges DN 65 to 150, 3 to 6 PN 16 to 315, class 150 to 2500 flat seal, tongue and groove, ring joint etc. FLOAT MODULES fixed switching distance of 12 mm adjustable switching distance for pump control, vertical max mm, horizontal max. 557 mm Hastelloy and stainless steel floats floats according to NACE PP, PVDF and PTFE plastic floats stainless steel versions up to 350 bar operating pressure float modules for separation layer applications stainless steel floats with polyamide and halar coating

3 3 C O M B I N AT I O N S Customer specific solutions with money saving standard components SIDE MOUNT COMBINATIONS 01 with micro switches or proximity switches, also in explosion proof versions according to ATEX 02 pneumatic switching module with ON/OFF or proportional output with heat exchanger for very high or low operating temperatures 04 in IP 68 protection for submersion applications 05 for applications requiring explosion proof versions according to ATEX square standard flanges in stainless steel, 92 mm PCD 07 stainless steel and Hastelloy industrial flanges according to DIN, ANSI, BS and JIS 08 PP and PTFE industrial flanges according to DIN, ANSI, BS und JIS with fixed switching distance 10 with rod extension for longer switching distances 11 rod extension for switch point correction 12 with bellow for dirty media for pump control with adjustable switching distance 14 plastic versions for aggressive media 15 for separation layer surveillance of two media with varying gravity TOP MOUNT COMBINATIONS 14 15

4 A P P L I C AT I O N S A M P L E S 4 Alarm, measurement and control with Trimod Besta Switch-, flange- and float modules are selected according to the process parameters and the desired functions. This offers problem specific solutions using standard components and optimises the price/ performance ratio. max/min limits pneumatic control pump and valve control high alarm max pump off min pump on low alarm pump and valve control separation layer control external level control pump off pump on high / low alarm high / low alarm

5 5 H A N D L I N G Reliable, user friendly and easy to integrate Trimod Besta level switches feature a unique robustness. They are easily handled and quickly connected. Of course, the lid and screws can never be lost. FASTER AND EASIER CONNECTIONS The connection terminals have self lifting clamps. The optimized cable entry lets you connect the cables easily, quickly and in a professional manner. CONFORMITY AND EXCHANGEABILITY We offer our industrial and plastic ranges exclusively according to international DIN, ANSI, BS and JIS norms. The standard range is offered in the meanwhile world wide known square flange with 92 mm PCD. Because of that Besta switches can be mounted anywhere, anytime. 92 mm Ø 92 mm

6 S TA N D A R D S W I T C H E S 6 The Trimod Besta standard range: versatile, robust and economical Trimod Besta, the flexible one. It can be used anywhere, no matter where and when. Its versatility is unlimited, for highest temperatures, freezing cold, low density, vacuum or high pressure applications. THE MOST SUCCESSFUL SWITCHES Type A alarm, limit and control functions PN 25 according to DIN Operating temperature 0 to 300 C Ambient temperature 0 to 70 C Density of the liquid 0.7 kg/dm 3 Switching distance 12 mm, fixed Wetted materials stainless steel Switch module material seawater resistant die cast aluminium Flange square, 92 mm PCD Switching element SPDT micro switch Switching capacity 5 A / 250 VAC, 5 A / 30 VDC Protection IP 65 Installation depth (tank) 226 mm Similar Types Type A Type 5A Type 2A same as A , in addition, rod extensions G1, G2 and G3 can be used. for aggressive environments, housing exclusively made of stainless steel. with chromated switch housing Type A for low densities: 0.5 kg/dm 3

7 7 S TA N D A R D S W I T C H E S Type A to A with bellow for dirty media Type A bellow Perbunan operating temperature 0 to 120 C Type A bellow Silicon operating temperature 0 to 200 C Type A bellow Viton fluorelastomer operating temperature 10 to 200 C Type A bellow PTFE operating temperature 0 to 250 C Installation depth 253 mm other technical data same as A Similar Types Type A E15 special versions for waste water and waste tanks. Technical data similar to A FOR MANUALLY ADJUSTABLE SWITCHING DISTANCES Type A to A ideal for dual control, for example, pump control Type A adjustable switching distance Type A adjustable switching distance Typ A adjustable switching distance Typ A adjustable switching distance 37 to 218 mm 56 to 317 mm 83 to 442 mm 97 to 557 mm Installation depth 278 to 561 mm, depending on on type Density of liquid min. 0.8 kg/dm 3 other technical data same as A Viton is a registered trademark of DuPont Dow Elastomers

8 S TA N D A R D S W I T C H E S 8 PNEUMATIC SWITCHES AND CONTROLLERS Type P the pneumatic limit switch Function 3/2 way valve Regulating air max. 10 bar PN 25 according to DIN Operating temperature 1 to 250 C Ambient temperature 1 to 80 C Density of the liquid min. 0.7 kg/dm 3 Switching distance 12 mm, fixed Regulating ports G 1/8 (BSPP) IG Wetted materials stainless steel Switch module materials seawater resistant die cast aluminium Options Type 5P Type FP exclusively made of stainless steel with letter of conformity for use in explosion-proof areas Type M the pneumatic controller Function proportional controller Supply pressure 1.4 bar Output signal 0.2 to 1 bar PN 25 according to DIN Operating pressure 1 to 250 C Ambient temperature 1 to 80 C Density of the liquid min. 0.7 kg/dm 3 Control range without rod: 30 mm with rod: up to max. 230 mm Control ports G 1/8 (BSPP) IG Wetted materials stainless steel Switch module seawater resistant die cast aluminium Options Type 5M Type FM exclusively made of stainless steel with letter of conformity for use in explosion-proof areas

9 9 S TA N D A R D S W I T C H E S VERTICAL SWITCHES Type A und A for top mount installations Function dual point controller (pump) or single point actuator PN 16 according to DIN Operating temperature 0 to 300 C Ambient temperature 0 to 70 C Density of the liquid Pump control min kg/dm 3 Alarm min kg/dm 3 Switching distance A : 12 to 1340 mm A : 12 to 2840 mm Wetted materials stainless steel Switch module material seawater resistant die cast aluminium Flange dimensions 92 mm PCD Switching element SPDT micro switch Switching capacity 5 A / 250 VAC, 5 A / 30 VDC Protection IP 65 ACCESSORIES Type Type Type 2382 Counter flange for convenient mounting of level switches. Material: C22.8 The counter flange is welded directly onto the tank wall. Counter flange for convenient mounting of level switches. Material: SS The counter flange is welded directly onto the tank wall. Test actuator to simulate the switching function. Material: CrNi, O-ring: Viton The test actuator is mounted between the switch and the counter flange.

10 I N D U S T R I A L S W I T C H E S 10 The Trimod Besta industrial range for challenging applications The benefits of the wide spectrum of Trimod Besta switches are especially obvious in the industrial range. They are the best choice for high operating pressures, aggressive media and high process temperatures up to 400 C. A TYPICAL TRIMOD BESTA INDUSTRIAL SWITCH Type A 22C 04 alarm, limit and control functions PN 40 according to DIN Operating temperature 0 to 330 C Ambient temperature 0 to 70 C Density of the liquid min kg/dm 3 Switching distance 12 mm, fixed Wetted materials stainless steel Lose flange CS zinc galvanized, yellow passivated Switch module material seawater resistant die cast aluminium Flange DN 65, PN 40 according to DIN 2501 Flange facing raised face type C, DIN 2526 Switching element SPDT micro switch Switching capacity 5 A / 250 VAC, 5 A / 30 VDC Protection IP 65 Weight 5.4 kg Installation depth 226 mm

11 11 P L A S T I C S W I T C H E S The Trimod Besta plastic range for high aggressive media All wetted materials are made of high grade plastics such as PP, PTFE or PVDF. The limit switches are available with DIN, ANSI, BS and JIS industrial flanges. A TYPICAL TRIMOD BESTA PLASTIC SWITCH Type A PTFE switch, alarm, limit and control functions PN 10 according to DIN Operating temperature 0 to 200 C Ambient temperature 0 to 70 C Density of the liquid min. 0.8 kg/dm 3 Switching distance 12 mm, fixed Wetted materials PTFE with 25% glass fibre Lose flange CS zinc galvanized, yellow passivated Switch module material seawater resistant die cast aluminium Flange DN 80, PN 10 to DIN 2501 Flange facing raised face type C, DIN 2526 Switching element micro switch (SPDT) Switching capacity 5 A / 250 VAC, 5 A / 30 VDC Protection IP 65 Weight 5.4 kg Installation depth (tank) 235 mm

12 S H I P B U I L D I N G 12 Thousands of Trimod Besta switches ensure the safe voyage of vessels on our oceans Trimod Besta limit switches are successfully used in the ship building industry since They are installed in tankers, cruise ships, submarines, even in the fastest catamaran and the strongest crane ship in the world. THE FAVOURITES Type A The allrounder PN 25 according to DIN Operating temperature 0 to 300 C Ambient temperature 0 to 70 C Density of the liquid 0.7 kg/dm 3 Switching distance 12 mm, fixed Wetted materials stainless steel Switch module material seawater resistant die cast aluminium Flange square, 92 mm PCD Switching element SPDT micro switch Switching capacity 5 A / 250 VAC, 5 A / 30 VDC Protection IP 65 Installation depth (tank) 226 mm Type U3A Submersed type IP 68 PN 25 according to DIN Operating temperature -30 to +80 C Ambient temperature -30 to +80 C Protection IP 68, switch housing pressure tight up to 100 meters water column Cable length 3 m, or per request Cable type Neoprene (H07 RN-F) Other technical data same as A

13 13 R E G I S T R AT I O N S Marine approvals and registrations of Trimod Besta level switches Trimod Besta level switches come with the required shipping approvals and registrations. See our homepage for up to date listings. APPROVALS 1 American Bureau of Shipping, ABS 2 Bureau Veritas, BV 3 Det Norske Veritas, DNV 4 Germanischer Lloyd, GL 5 Lloyd s Register of Shipping, LRS 6 Registro Italiano Navale, RINA 7 Russian Maritime Register of Shipping, RMRS 8 China Classification Society, CSS Cat Link V, the 91 meter long catamaran of the Incat Ship Yard in Australia. Its transatlantic crossing at an average speed of knots set a new record. Trimod Besta level switches AA and AA are used to limit and control levels on board.

14 P L A N T M A N U F A C T U R I N G 14 Trimod Besta, whenever reliability is crucial Thanks to high functional safety and extreme longevity, Trimod Besta level switches are proven in petro-chemical plants and on offshore platforms. A TYPICAL INDUSTRIAL SWITCH FOR USE IN EXPLOSION PROOF AREAS Type ZK8 22C 041 pressure capsulated, alarm, limit and control functions Type of protection EEx ed IIC T6 EU approval PTB 03 ATEX 1006 PN 40 according to DIN Operating temperature -30 C to max. 145 C Ambient temperature according to EN Density of the liquid min. 0.7 kg/dm 3 Switching distance 12 mm, fixed Wetted materials stainless steel Lose flange CS zinc galvanized, yellow passivated Switch module material seawater resistant die cast aluminium Flange DN 65, PN 40 acc. to DIN 2501 Flange facing raised face type C, DIN 2626 Switching element SPDT micro switches Switching capacity 5 A / 220 VAC, 0.25 A / 250 VDC Protection IP 67 Registrations Trimod Besta level switches are registered world wide for diverse applications.

15 15 S E R V I C E S Trimod Besta limit switches in customized float chambers Besta has many years of experience concerning the use of limit switches in float chambers and containers. We offer the following approvals and services: Manufacturer Approvals Procedural Tests Welding Certificates DGR/PED Conformity WE DELIVER ACCURATE, TESTED AND PRE INSTALLED. A B C D E F G H DOCUMENTATION AND SERVICES Works certificates according to EN Test certificates according to EN B/3.1C Pressure test protocols Detailed documentation: parts information with technical specifications and material data, including lot and charge information Non-destructive testing: ultrasonic, x-ray and dye penetration testing Mechanical testing: tension, notch and hardness tests Base- and protective coatings

16 Besta Ltd. Ackerstrasse 45 CH-8610 Uster Switzerland Phone Fax Besta GmbH Im Vogelsgesang 4 D Frankfurt an Main Germany Phone Fax info@bestagmbh.de Limit switches with electric, electronic and pneumatic switch elements. Numerous ship building approvals and registrations. Homepage Find your local sales and service partner under Quality Management The Besta Ltd. quality management system according to ISO 9001 has been established in Opto-electronic level sensors for horizontal and vertical installation. Sensitivity adjustable via potentiometer. Registered Trade Marks Trimod and Besta are registered trade marks of Besta Ltd., Switzerland. Electronic limit switches for liquids and light weight solids, no calibration required. 2-wire electronic level transmitters with 4-20 ma output in 2-wire technology. With ATEX approval. Catalogue no. LTF01E/10.04 Technical specifications are for information only and may change without notice.