The need of explosion proof housing arises when working in extreme environments that might present an atmosphere that contains flammable or explosive gases or particles, such as petrol refineries or gas pipelines. During the over 100 years of electrical explosion protection, principles and techniques have been developed which allow the use of electrical measuring technology, even where, e. A features explosion proof enclosures for light screen emitters or receivers model msxpe43 includes hardware to mount 32, 36, or 40 miniscreen emitter or receiver. Ltex09 explosion proof housing lontrend corporation pdf. Stahl 18007824357 temperature classes ignition temperature or autoignition temperature ati is the minimum temperature of a surface at which an explosive atmosphere ignites. Explosion proof packaged air conditioners features n for nec class i, groups b, c or d in div. Explosion proof, explosion proof housings, surveillance 2m technology 2mexhp20l ex proof camera housing 316l dualcast stainless steel construction for indoor or outdoor use.
Model 2110ex explosion proof housing characteristics general desription. It is considered to be a twowire device because both the power andsignal use the same two wires. A4 basics of explosion protection introduction hazardous locations innovative explosion protection by r. Explosionproof hazardous location explosionproofapproved.
With higher explosion pressure, the thickness of the enclosure increases in manifold ways, hence making the equipment unviable. V2420series explosionproof panand tilt and housing product. The first part of this brochure explains the basics of explosion protection. Dl618b explosion proof lamp the fixture can be used to explosion proof area,ship,drilling platform,petrochemical plantetc. These systems range from modified commercial grade systems to fully custom designs with capacities ranging from 1 to 3 tons with many options available. The 6539 is one of a series of explosion proof, barrel housing type, twowire transmitters.
Explosion proof union nipples with 5, 7 and 9 extension lengths. For weather proof and dust proof requirements, acti can provide the suitable housings for your request. Principles of explosionprotection crousehinds series. Safe air technology offers a variety of explosion proof rooftop units. Expired lifetime application number us863224a inventor william r eberle. Bx2 series hazardous area limit switches honeywell. From the inside surface of the housing, insert the operating shaft, short length first, into the mounting hole. Explosion proof housing for n7 housing n7 hazardous areas use with the following kep models. The bh housing provides superior explosion proof protection for fieldmounted units and meets standards for enclosing indoor and outdoor electronic instruments approved for use in explosion proof, dustignition proof and intrinsicallysafe locations. Safeguards expensive instruments meeting nema 4x and. This is the principle behind explosion proof wiring. Haardou oation hazardous location explosionproofcertified.
Exd and exi are the most commonly used equipment protection methods in coal mines. Explosion proof hoods are a variation of either the laminar flow or exhaust fume hood, designed for work involving potentially flammable material. Depend on specific systems specific systems has been building hvac and pressurization units for hazardous classified areas since 1974, and is the oldest and largest manufacturer in the industry. Comparison of iec publications and european standards en. Explosion protection theory and practice phoenix contact. Series 80 model e828 ci rated peter paul electronics co. Explosion proof housings security access inspection a. To order a high cover enclosure along with a twowire transmitter not a display unit specify the explosion proof enclosure as the housing to place it in the lower. Crousehinds series ejb explosionproof enclosures catalog. Stahl 18007824357 temperature classes ignition temperature or autoignition temperature ati is the minimum temperature of a.
Pdf maintenance and safety requirements of flameproof and. As product supplier, siemens accepts responsibility for compliance with the appli. Third party explosion and bullet proof housing for acti cameras. Svext400a explosion proof housing for 316l stainless steel. Dl61880w corrosion proof led explosion proof light. Ul 1203 explosion proof and dustignition proof electrical equipment for use in hazardous classified locations csa c22. The motors are designed in accordance with directive 949eu atex 95 previously atex 100a.
Although explosion proof fittings are available for all housings, only ca versions of the housing are rated as explosion proof by csa when ordered with the e. The conventional motor of the hood is replaced by an nec division irated nonsparking motor, mounted in a castiron, explosion proof housing. Micro switch weathersealed, explosionproof switches. Affordable explosion proof assembly fitted with a combustible gas detection sensor with stainless steel housing gashal10 product description gas type. Several techniques of flameproofing exist, and they are often used in combination. There are many applications which require explosion proof equipment. May 17, 2012 explosion proof housing with the same specifications as the exhc series but fitted with a patented device for the protection of the glass which gives clear vision in dirty environments. Bulletin e57g series 1950g integral explosionproof. No longer is it necessary to remove dozens of bolts to gain. Third party explosion and bullet proof housing for acti. The atex, ul and cul approvals cover flammable gases, vapors and liquids and the atexiecex also covers dust. Explosion proof explosion proof or flame proof equipment is sealed and rugged, such that it will not ignite a hazardous atmosphere, despite any sparks or explosion within. Thus, you need explosion proof housings to protect cameras.
Explosion proof and intrinsic safety solutions nema 7 enclosures. The micro switch bxbx2 series are designed for applications in hazardous or explosive environments requiring a rugged, durable switch virtually anywhere in the world. Hand tighten the shaft bushing into the housing until the star nutseal is in contact with the face of the housing. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Atex, nec, iecex are some of the most commonly used standards. As the size and volume of the enclosure keeps getting bigger, it becomes increasingly difficult to control the explosion pressure.
The fireye 45uv51009cex cenelec eexd iic explosion proof housing with 45uv51009 scanner additional information click here for 45uv51009cex product sheet. Explosionproof fieldmount enclosure for hockeypuck. Adalet offers explosion proof, industrial electrical enclosures for multiple working environments. Flameproof is a zone 1 technology and can not be used in a div.
Explosion proof classifications class definitions class i locations. Then, any escaping hot gasses will be cooled sufficiently so that they would be incapable of igniting any of the. Explosion proof electronic siren model sstxmv federal signals sstxmv is an explosion proof electronic siren capable of producing one of four high decibel tones from the same unit. Explosionproof enclosure for twowire units the dvx model number is. Svext400a explosion proof housing 304 stainless steel. The equipment housing may be sealed to prevent entry of flammable gas or dust into the.
Since flammable gases and vapors are expected inside an enclosure, the. Model xpe43 explosion proof enclosures for miniscreen, microscreen, or ezscreenemitters and receivers printed in usa 1104 pn 64216 rev. Rain tight nema 3 ip54, weatherproof features include a drain plug and oring. In the case of ph or orp, a ph or orp signal corresponding to the actual ph or orp is. Explosion proof housings archives security cameras. Digital level sensors with a properly installed explosion proof housing are nrtl nationally recognized testing laboratory certified explosion proof and intrinsically safe, class. The unique threaded rear access cover eliminates traditional. Air condition tested for performance, certified for hazardous duty operation in industrial and offshore applications 4112 evan brooks dr. Because of its robotic welded enclosure, exsite enhanced can survive the harshest environments on the planet. Wiring enters enclosure via flameproof cable gland or flameproof barrier. Cstyle d enclosures require sealing fittings within 18 of enclosure for each conduit run. These systems range from modified commercial grade systems to fully custom designs with capacities ranging from 1 to over 25 tons with many options available.
Series 1950g integral explosion proof pressure switches specifications installation and operating instructions bulletin e57g the series 1950g explosion proof switch combines the best features of the popular series 1900 pressure switch with a compact explosion proof housing. Using a screw driver blade, drive the star nutseal. Most kep series totalizers and elapsed timers less than 3. Switchgear with nc and no contacts such as manual motor starters. Inside of housing is predrilled and tapped for mounting hardware standard 34npt access is provided at bottom of enclosure for usersupplied explosion proof conduit and fittings hardware hardware included with model msxpe43 for miniscreen. Electrical equipment for areas with combustible dust. Options 02 and 03 for mounting threads have more threads than standard npt threads. Caloritech type xh explosionproof terminal housings patented feature the unique xmax track and trolley system. For explosion proof and general locations the bh housing provides superior explosion proof protection for fieldmounted units and meets standards for enclosing indoor and outdoor electronic instruments approved for use in explosion proof, dustignition proof and intrinsicallysafe locations. Explosion proof strobe warning light model fb2pstx and fb2pstxi federal signals fb2pstx explosion proof strobe light is a compact unit that produces a lightning bolt flash of light.
To comply with explosion proof switching requirements, the flame path within the switch housing is designed to contain and cool escaping hot gases and fumes that could cause an explosion outside of the switch. Explosion proof instrument enclosures are offered in a variety of sizes and. Explosionproof fieldmount enclosure for hockeypuck instruments. White paper on explosion proof and intrinsic safety solutions.
Five standard diameters, offered in lengths up to 48 1220 mm, can cover most of your explosionproof housing requirements. The system includes an upper housing portion that includes a first threaded portion and, optionally, a transparent window portion. Lamps, circuits and sparking devices are contained within flameproof enclosure. Temperature transmitters to suit the hazardous area classification. Safeguards expensive instruments meeting nema 4x and ip66 ratings, the bh housing is. Adalets explosion proof instrument enclosures are designed to provide reliable protection for measurement and detection applications in highly corrosive, hazardous areas. Oct 04, 2010 third party explosion proof housing third party bullet proof housing referencecertification disclaimer introduction when you install box cameras in the field, you might choose additional housings to protect cameras. Explosionproof lights catalogue iinno international. Flameproof increased safety exde type protection is in fact an actuator made up of an flameproof exd enclosure type plus a separate, segregated increased. Ltex09 explosion proof housing lontrend corporation. Safe air technology offers a variety of explosion proof vertical package units. Peterpaul offers a line of hazardous location rated, large orifice automatic safety shut off valves designed specifically for gas appliances. Its stringent class i, division i certifications allow safe functioning at locations where ignitable concentrations of flammable gases or liquid vapors are present. China affordable explosionproof assembly fitted with a.
Integrated window heater, demister, sunshield and washerwiper. Wiring caution to prevent accidental electrical arcing sparking, firmly tighten the conduit with a wrench. Explosion proof air handlers for split systems pacx series. Rooftop units explosion proof air conditioner manufacturer. Additionally, explosion proof crankcase heaters are used in these conditions instead of standard crankcase heaters. Explosion proof, explosion proof cameras 2mew04t5mz 5mp analog 4in1 motorized infrared bullet camera with atex explosion proof cctv housing and sunshade 304 stainless steel 304 stainless steel construction. N7 housing n7 hazardous areas explosion proof housing for. These valves meet the standards for commercialindustrial ci safety shut off valves per ansi z21. The model 2110ex is nrtl certified explosion proof for use in hazardous locationsenvironments class i, division 1, group d in accordance with ul1203, ul610101, csa c22. Explosion proof housings security access inspection a low. The unit is very light and compact about half the weight and bulk of other explosion proof or weatherproof switches with separate enclosures.
Mk series, b series, bva series, mvs series, kald series, 520 series and katsp series description. Are those which are hazardous due to the presence of combustible dust. The terms explosion proof and flameproof have the same. Drawing only 40w,the fixture is energy efficient and replaces up to 250w metal halide lamp. They are well suited for use in heating equipment, furnaces, ovens, kilns, boilers and gas generators. Dust explosion proof protection principle flameproof enclosure increased safety intrinsic safety apparatus pressurized moulding oil immersion powde r filling product use depending on temperature class t1 t6. The circuitry is contained in a rugged diecast aluminum amplifier housing.
297 1370 621 1772 450 853 64 350 669 669 691 48 1605 1804 425 537 1185 310 980 1546 427 1764 661 1789 1420 38 1165 216 1466 925 1411 347 516 1155