SYSTEMS AND PARTS
Contents
1. gt ll 1 2D 85 C IP65 Optional N D m Se cc _ i LLJ _ LLI m cc Lid m on m a lt a e ol A gt lt LLJ I L z A am a lt 7e LLJ T N Stu 100605 T14 1 Hot particle not yet emitting light UV Flame detector ODSO2D The optical flame detector ODS02D has its highest sensitivity in the UV spectrum and thus is insen sitive to visible light and to most artificial light sources The reaction time can be adjusted via DIP switches so that false alarms caused by parasitic radiation can be avoided Sensitive to gt flames gt electrical arcs e g from welding equipment gt halogen lamps without safety glass gt all radiation sources between 185 and 260 nm Insensitive to gt in direct solar rays gt artificial light such as fluorescent lamps gt halogen lamps with safety glass gt radiant heat from objects UV Flame detector ODSO2D The ODSO2D also detects contamination of the viewing window immediately generating a fault signal The detector can be used to detect of all sorts of open fire Properties Power supply 12 up to 24 V DC 40 mA 24V DC Temperature Ambient temperature 0 C 70 C Storage temperature 20 C 80 C Viewing angle gt 80 horizontal 80 vertical 140 h x 90 w x 70 d mm Aluminium Response time lt 50 ms Visual Malfunction Yellow LED blinking Visual Malfunction present No or yello2. 2 Curative extinguishing systems FSGV UV Flame detection FLASH CB Curative extinguishing systems 3 fire detection FSGV Pressure Dstat Static pressure FLASH CB FSGV Curative detection dp dt ROR Rate of pressure FLASH CB FSGV Curative rise detection A number of these detection forms are often assembled in a single housing for reasons of back up better usability etc Examples include UV IR IR pst ROR StuvEx currently has the following detectors in its product range PDS static pressure detector PDP combined detector Psa ROR IR flame UV flame detection ISD spark detection v v v v U cc k Lhd LLJ m a a LLJ jam a lt a e l ou 2 lt LLJ I U H oO am a lt U LLJ 7 pa Se Stu 100605 C14 v cc _ id LLJ m ce LLi m H jam a lt a e A gt lt LLI a A om a lt 2 LLJ 7 N Type PDS 03 Suv Functioning The simplest detector is the PDS detector This is a static pressure detector based on a membrane with a switch The absence of electronics makes this detector very reliable Thanks to the large membrane the detector is relatively insensitive to moderate product impact This detector is also equipped with a mechanical memory All other detectors are electronic units that compare the signal of the sensors with th
3. detector also has a memory of 16 seconds In the case of triggering the data from the pressure and IR sensors is automatically recorded 8s before and 8s after the alarm This alarm can only be erased by manual intervention even if the detector loses power The accompanying controller uses LEDs to indicate the detector s state OK malfunction triggered not triggered triggered on mode static dynamic IR memory triggered The detector is available in several versions gt PDPO2 normally open circuit with a resistance of 680 R in series with the alarm contact and with a 3k9 broken wire resistance end of line gt PDPO3 suitable for RSS based control units Properties PDP02 amp PDP03 Static Dynamic ROR 25 to 1000 mbar 0 5 to 5 bar s 0 5 to 3 V 100 candelas 1m Maximum underpressure Absolute vacuum Maximum explosion pressure 7 bar Process temperature 10 C 90 C Power supply 24 V DC 20 mA Contact ratings Max 24 V DC at 20 mA Parts in contact S 304 with the product Protection degree IP65 Marking CE ll 1 2D 85 C IP65 Necessary hole for 106 mm the mounting flange Diameter amp height 155 x 65 mm of the detector head Controller box 175 h x 80 w x 60 d mm StuvEx retains the right to make changes without prior notice
4. Stuvex ny Heiveldekens 8 B 2550 Kontich Belgium Tel 32 3 458 25 52 Fax 32 3 458 25 27 E mail info stuvex be www stuvex be Stuvex Safety Systems 48 Church Street Weybridge Surrey KT 13 8DP United Kingdom SYSTEMS AND PARTS Tel 44 1932 849602 Fax 44 1932 852171 E mail info stuvex com www stuvex com EXPLOSION AND OTHER DETECTORS Background The proper working of an active safety system depends to a great extent on proper detection Not only is the type of detector important but also its location An unfavourable location might not only result in so called false alarms but could also cause the detector to function improper ly within the system even thought the detector itself is perfectly OK Think for example of the contamination of an optical detector by product deposits However deposits on pressure detectors can also lead to a non functioning system especially with products that can cake due to moisture Establishing the correct location is not always simple and is a job for specialists Considerations include processes with CIP excessive wear Product Detectors generally can be divided into 2 groups optical and pressure each of which in turn can be subdivided depending on the application Group Detection based on Kind of detection Applications Protection principle Optical IR Spark detection FSGV 1 stopping Mainly preventive of equipment such as rotary valves IR Flame detection FLASH CB
5. d of line resistor included gt PDSO2 xx NO normally open circuit with a 680 R resistance in series with the alarm contact and with a 3k9 open wire resistance end of line gt PDSO3 xx suitable for RSS based control units Types1 PDS02 xx NO PDS02 xx NC PDS03 xx Settings 20 C 50 70 100 mbar fixed others on request up to 90 C Tolerance with the product RIG meaner Dimensions Required mounting hole for 106 mm the mounting flange Diameter of the detector 153 mm flange Height of the detector Marking C ll 1 2 G D EExed IICT6 85 N N e cc m LLJ LLI m cc Lit _ m ma T ma re onal as gt lt LLJ I L lt Ge am f 7e LLJ 7 e Stu 100605 T14 1 xx 50 70 100 standard other values on request oe cc H LLJ LLJ m a a LEJ i H gt m ma lt a re A gt lt Lid I lt A am a lt lt 7e LLJ 7 e OP LOSION DETECTOR S a m APT MEL Ti PDP detector Stu gt PDP detector PDP detectors are mainly used as part of a Flash explosion suppression system The detector has three detection modes static pressure rise and IR Each mode has its own setting The detector s alarm contact is triggered when one of the mode settings is exceeded The settings can be configured on site In addition the
6. eir normal state settings To avoid false alarms the signal of the sensor is compared several times with the configured alarm and fault thresholds If the sensor values are still within the alarm window after several samples the alarm is triggered Sample rate sensitivity etc can be configured for the specific detector Detectors such as the PDP detector are also equipped with a memory 4 so that the triggering conditions can be verified after an alarm has been triggered System design By using the right materials all detectors can be used in the most demanding processes such as pharmacy baby food and food in general All parts that come in contact with the product are made of stainless steel or food approved plastics in most cases with FDA approval No glass is used not even in the optical detectors Intended use The detectors are always a component of a certified ATEX safety system but they of course also have their own certificate as a component Consequently any application must be based on the instructions contained the ATEX certificate the product specifications and the user manual Technical specifications For more details on this product we refer to the technical datasheet 1 2 3 4 Fast Shutting Gate Valve Chemical barrier Water CO steam Even if the detector s power supply fails the memory will remain intact up to 10 years from production mn eae q r StuvEx retains the right to make c
7. hanges without prior notice StuvEx nv Heiveldekens 8 B 2550 Kontich Belgium Tel 32 3 458 25 52 Fax 32 3 458 25 27 E mail info stuvex be www stuvex be StuvEx Safety Systems 48 Church Street Weybridge Surrey KT 13 8DP United Kingdom SYSTEMS AND PARTS Tel 44 1932 849602 Fax 44 1932 852171 E mail info stuvex com www stuvex com EXPLOSION AND OTHER DETECTORS IR Spark detector ISD01D The ISD 01 makes it possible to detect sparks and hot points 1 It is intended to be used in indus trial fire and explosion protection systems The ISD 01 is very sensitive in the IR spectrum but also has a certain sensitivity in the visible light spectrum Thus it may only be installed in locations iso lated from visible light The detector is equipped standard with an input to test the detection cell When this input is short circuited an internal IR LED is triggered which allows the functioning of the IR sensitive element to be tested Power supply 12 up to 24 V DC 40 mA 24V DC Ambient temperature 0 C 80 C Storage temperature 20 C R 80 C IR Spark detector ISD01D Viewing angle 7 Housing 125 h x 80 w x 55 d Measuring probe 16 x 40 mm TEN Measuring probe SS304 Response time Visual Malfunction Green LED lights when no malfunction is present Visual Alarm Red LED Remote signalling RSS amp NO NC contact Highest sensitivity IR Band 780 1100 nm Protection degree IP65 ATEX marking CE
8. w LED Visual Alarm Red LED Signalling at distance RSS amp NO contact Highest sensitivity UV Band 185 260 nm Protection degree IP65 ATEX marking CE gt ll 1 2D 85 C IP65 EN5A T0 Cass N D m e cc _ LEJ LLI m a a LLJ i _ gt m ma lt x ma re ol A gt lt LLI I L QO am a lt x 7e Lid T e Stu 7 StuvEx retains the right to make changes without prior notice StuvEx nv Heiveldekens 8 B 2550 Kontich Belgium Tel 32 3 458 25 52 Fax 32 3 458 25 27 E mail info stuvex be www stuvex be StuvEx Safety Systems 48 Church Street Weybridge Surrey KT 13 8DP United Kingdom SYSTEMS AND PARTS Tel 44 1932 849602 Fax 44 1932 852171 E mail info stuvex com www stuvex com EXPLOSION AND OTHER DETECTORS PDS pressure detector PDS pressure detectors are mainly used as part of a Flash explosion suppression system They respond to an increase in pressure and will trigger when their normal static setting is exceeded This is set at the factory and cannot be changed The detector is equipped with a mechanical memory in the presence of overpressure the convex membrane flips to the other side and will stay in that position except in processes under vacuum The detector is available in several versions 1 gt PDSO2 xx NC normally closed circuit with a 1k2 resistance parallel to the alarm contact No open wire resistance en
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