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An ejector of this design is not necessarily undesirable if the ejec-tor always operates at the exact design conditions. This, of course, depends on whether or not it's possible to determine accurately the load on the ejector before hand. Close designs can often result in substantial steam and water sav-ings in large systems systems. Ejector systems have been the mainstay for refinery vacuum distillation. Whether a crude vacuum tower operates as a 'wet', 'damp' or 'dry' tower, an ejector system is the vacuum producer. Different tower operating pressures and overhead load characteristics of wet, damp or dry operation affect only the configuration of an. The Water Jet Eductor is a type of ejector which utilizes the kinetic energy of a pressurized liquid to entrain another liquid, mix the two, and discharge the mixture against a counter pressure. Ejectors of this type are used throughout industry for pumping and mixing operations. Application Water jet eductors have numerous uses in the plant suc 11.Liquid jet vacuum pump An ejector pump in which the entrainment fluid is a liquid (usually water). 12.Gas jet vacuum pump An ejector pump in which the entrainment fluid is a noncondensable gas. 13.Vapor jet vacuum pump An ejector pump in which the entrainment fluid is a vapor (water, mercury or other vapor). 14.Diffusion pum
Figure 1— Typical ejector configuration for use in water ejector drafting operations. EJECTOR HYDRAULICS When a pump drafts water vertically, air is removed under atmospheric pressure from the inside of the suction hose, creating a vacuum. Atmospheric pressure at sea level exerts a pressure of 14.7 psi onto everything, including water Water vapor pressure table, vacuum range (saturated steam) 15 abl5 Water vapor temperature table, vacuum range (saturated steam) 16 abl5 Vacuum systems 113 Vacuum systems 115 gdp1 also referred to as ejectors, are devices for the conveyance, compression or mixing of gases, vapors, liquids or solids in. An Ejector operation in the critical range is designed for a fixed compression ratio and requires a definite motive steam flow. For example, a High Vacuum exhauster operating at 150 psig steam pressure compressing from 1 Hg. abs. to 6 Hg. abs. The same Ejector can be made to operate with essentiall Vacuum technology is based upon the creation of an environment in which a process (thin film deposition, electron beam welding, etc.) can be carried out. This normally implies that one remove air from a system to some acceptable sub atmospheric pressure by the use of some type of vacuum pumping equipment
. Your VacStarTM has been engineered to deliver maximum air flow at the ideal vacuum level with- out creating traumatic suction pressure that could harm patients' delicate tissue - Therefore ejector curves at fixed ejector geometry are calculated at the design discharge pressure and an increased discharge pressure (see 3.2). These are more indicative of the response of a specific ejector to changes in inputs. The motive gas Mach No is provided for information during operation of the ejector, but in the event of failure of the ejector check valve, water would flow back to the drain valve in the vacuum piping and it will open to allow the water to drain out of the system. This is useful to avoid the water entering and damaging chemical feed equipment in the vacuum piping
Water/Liquid Jet Ejector Vacuum System. Water ejectors are vacuum pumps, driven by a high pressure water (or similar medium) or steam. They use kinetic energy of the driving medium to suck in gases, vapors or other liquids and then discharge the resultant mixture against a counter pressure Vacuum Producers: Ejector-based systems are particularly appropriate as primary vacuum producers, particularly where motive steam is almost always available. They are applied in processes such as crystallization, deaeration, drying, cooling, high vacuum distillation and deodorization Jet Vacuum Systems Pvt. Ltd. is a Manufacturer of Vacuum Ejector systems, liquid jet ejector & steam jet ejector, Evaporation plants, Agitated thin film dryer, Crystallizers, Pumps & many more system. Product vapour driven jet vacuum pumps do not differ in their functioning from water vapour driven jet vacuum pumps and therefore offer the same fundamental advanta ges. In addition, the energy requirement is in part sub stantially lower than is the case with water vapour driven jet vacuum pumps because of the low evaporation heat o EJECTORS & VACUUM SYSTEMS Chem Process has been designing Steam Jet Thermocompressors since decades and each unit is designed specifically to suit a customer's process and water re-cycle system for vacuum pumps for the total reduction of effluent. As per the suction pressure requirement the first stage ejector
The water ejector pump system is a stable and reliable evacuation device. The water jet vacuum pump is suitable for various process occasions such as distillation, concentration, drying, absorption, mass transfer, and sewage biochemical treatment Under our Vacuum Division, we manufacture various Vacuum Products such as Vacuum Systems, Liquid/Water Jet Ejectors, Steam Jet Ejectors, and various combination Vacuum Systems such as Steam jet Ejector in combination with Direct Contact Type Condenser and Surface Type Condenser, Vacuum Pump and Liquid Ejector Systems and many other Hybrid Systems as per desired specifications Advanced vacuum unit (ejector/pump/manifold systems) with low noise and high efficiency options. Energy-saving digital vacuum switch: Intermittent energizing (supply/exhaust) only when vacuum decreases. More efficient 2-stage ejector: Air consumption 30 % reduced. Dual 2 port valve (release valve/supply valve): Supply valve with self-holding. V P EXH How to Order ZH Nozzle nominal size 05 ø0.5 07 ø0.7 10 ø1.0 X267 Vacuum pressure S −88 kPa L −48 kPa Symbol Model ZH05S-X267 ZH05L-X267 ZH07S-X267 ZH07L-X267 ZH10S-X267 ZH10L-X267 Nozzle nominal size [mm] 0.5 0.7 1.0 Vacuum pressure [kPa] Note) −88 −48 −88 −48 −88 −48 Suction flow rate [L/min (ANR)] Note) 5 8 12 20 24 34 Air consumption [L/min (ANR)] Note) 13 23 4 K. Phair, in Geothermal Power Generation, 2016 11.7.2 Steam jet ejectors. Steam jet ejectors are mass flow machines that are ideally suited for extracting and compressing noncondensable gas from a condenser operating at high vacuum. Compared with other mechanical compressors, steam jet ejectors offer the benefits of no moving parts and low cost. However, the energy efficiency of steam jet.
Unique Systems designs and manufactures process vacuum systems including condensers, steam jet ejectors, liquid ring vacuum pumps and hybrids along with instrumentation, complete automation and auxiliary equipment. We also lead the industry in the duplication of parts and assemblies for rotating equipment such as steam turbines, compressors and more Fox Mini-Eductors are small venturi eductors that use compressed air or water to generate suction for a variety of sampling, pumping, mixing, or vacuum-generation applications. Fox stocks a broad range of off-the-shelf mini-eductors in 316 Stainless, Teflon, CPVC, Monel, Hastelloy, and Brass that can ship in 2 days
Comparison figures of the conventional multi-stage steam jet ejector vacuum system and Körting ICE Condensation Vacuum Systems Utilities cooling water temperature 33 °C wet-bulb temperature 26 °C motive steam pressure 9 bar (abs) Utility price cost for motive steam 30.0 Euro/ton cost for electrical power 0.10 Euro/kWh cost for re-cooling th of vacuum ejector performance Use these guidelines and case histories to evaluate and troubleshoot ejector systems Condensables Vacuum column overhead vapor components Cracked gas/air Steam Motive steam Hotwell 2nd stage Cooling water Fig. 1. Vacuum system, first-stage ejector. Diffuser Suction Steam chest Steam inlet Pressure tap Steam nozzle. water operated ejector produces the vacuum necessary to operate the system. The ejector assembly contains a back-flow check valve system to prevent pressurized water from entering the chlorinator. A spring-opposed diaphragm vacuum regulator controls the chlorine gas flow rate and also acts as the safety shut-off valve. FEATURE
1. The ejector nozzle creates the vacuum that allows for safe entry of gas into the system. 2. The diffuser of the ejector mixes the gas with the water. 3. The check valve of the ejector prevents water from back flow into the system. The REGAL ejector nozzle is uniquely designed to produce the highest vacuum at the lowest pressure and water. a freeze-condenser vacuum system vs. a conventional ejector system. The com-parison is for a 75,000 pph edible oil deodorizer operating at 1.5 torr. The load exiting the fatty acid scrubber is 1,000 pph stripping steam, 20 pph air, 7 pph free fatty acids, at 1.25 torr and 160˚F to the vacuum system. A freeze-condensing vacuum system 1 Preface Oerlikon Leybold Vacuum, a member of the globally active industrial Oerlikon Group of companies has developed into the world market leader in the area of vacuum technology steam jet air ejectors open pcv-1229 & 1230 close pcv-12 and start rotary blower #31. energize sov-i1165-1, close ms-mov-19. -close da ex-mov-26 auxili ary steam supply see wg.9321-f-40573 valvfurnieed t high radiation gland steam condenser air exhauster gland steam exhaust to atmosphere rca- 5-stage ejectors (typ.) gland stea Self-Contained Water System The self-contained water system supplies water to handpieces, syringes, and cuspidor cupfill. The system includes a 2-liter, quick-disconnect water bottle that mounts to the support center or delivery arm and provides an easy way to control the quality of your treatment water
Thermal and water poll tion The liquid ring (sometimes called liquid constituents of each can be compared by ｣ｯｮｳｩ､ｾｲｩｮｧ piston) type of mechanical vacuum pump is usually heat loads produced and/or contaminated water I selected due to its ability to handle liquid was:ed. Table I illustrates these comparisons\at carryover. EVP Vacuum Technology CO., Ltd, one of the Top 10 vacuum pump manufacturers in China,Products include Rotary Vacuum Pump, water vapor cryopump, Roots Vacuum Pump, Piston Vacuum Pump and others
water efficiency. 2) Second Water Ejector with a Reservoir and Pump If a sterilizer uses a water ejector to create vacuum, some of the water passing through the ejector can be captured and reused via installation of a second water ejector with a reservoir and pump. Water from the ejector can be captured in the added reservoir and allowed to. 3) Unlike the Rotary Vacuum Pumps, Steam Ejectors require longer start-up time. 4) In case of Power failure (very common in developing countries) the vacuum consistency cannot be maintained. 5) Leads to increased loads on ETP's. Any low boiling media mixes with the steam/water of ejector/condenser and enhances the load Unique Systems designs and manufactures process vacuum systems including condensers, steam jet ejectors, liquid ring vacuum pumps and hybrids along with instrumentation, complete automation and auxiliary equipment. We also lead the industry in the duplication of parts and assemblies for rotating equipment such as steam turbines, compressors and more
Fox Valve manufactures a broad range of engineered products based on one core technology: venturies, under the brand Fox Venturi Products. These range from off-the-shelf solids-conveying, liquid, and gas jet eductors to highly qualified flow controls for spacecraft, energy research, and advanced product development projects water. The ejector assembly incorporates a spring loaded, normally closed diaphragm check valve and is designed to prevent any water from entering the vacuum line. 4) Once it has been confirmed that the ejector is working properly, the ejector is ready for use. Attach the vacuum tubing to the rest of the gas feed system. The system shoul The Getinge 733HC-E Series Sterilizers offer several systems to help reduce water consumption and save on energy and utilities. Vacuum pump option • Consume up to 80% less water per cycle, compared to vacuum ejector design without water-saver • Pre-vacuum cycles are more efficient • Reduce overall cycle time by up to 10%, while reducing stea
Air Ejector Theory. It works on the principle of convergent /divergent nozzle as it provides the venturi effect at the point of diffusion as the tube gets narrows at the throat the velocity of the fluid increases and because of the venturi affect it pressure decreases, vacuum will occur in the diffuser throat where the suction line will be provided They cover vacuum ranges between 0.8mm HgA and 25mm HgA, and usually use steam as the motive fluid. In operation, a three stage system is similar to a two stage system, but incorporates a booster pump stage in addition to the low vacuum and high vacuum ejectors. Three stage systems are also usually condensing Piab vacuum pumps/vacuum generators are predominately based on the patented COAX® technology. COAX® is an advanced solution for creating vacuum with compressed air. Based on Piab's multistage technology, COAX® cartridges are smaller, more efficient and more reliable than conventional vacuum ejectors, which allow for the design of a flexible, modular and efficient vacuum system Booster/Ejector Vacuum System utilizes majority of the steam in a refinery. Boosters and Ejectors have been supplied for as low as 0.5 KgIcm2 (g) motive steam pressure and as high as 40 Kg/cm2 (g). Cooling water temperature also plays a very major role for the efficiency of the Ejector System Roughly, for every 20C, increase in th Dhruv Pump is one of the leading Manufacturer of high quality Steam Jet Ejector, Water Jet Ejector, Vacuum Jet Ejectors, Vacuum System, Vacuum Pumps, PP Pumps & Sparkler Pumps. Welcome to our site! Dhruv Pump & Engineers are acknowledged for their durability, unbeatable capacity accuracy and resistance to corrosion
The system is completely under vacuum from the ejector to the gas inlet valve during operation. If the water supply to the ejector is stopped, or the operating vacuum is lost for any other reason, the spring-loaded gas inlet valve immediately closes to isolate the chlorinator from the gas supply WITH WATER SAFE VACUUM TUBE TO EJECTOR SOLUTION DIFFUSER COUPLED TO EJECTOR EJECTOR AND WATER MIXING CHAMBER WITH CHECK VALVE INDICATOR VENT STRAINER GATE VALVE RATE VALVE METERING TUBE. The REGAL Model 216 Automatic Switchover Gas Chlorinator is a totally vacuum-operated system which is designed to automatically switch the chlorine feed from. Steam Ejector & Hybrid Vacuum System Technology. Steam ejectors use steam or gas instead of moving parts to compress a gas. In a jet or ejector, a relatively high-pressure gas, like steam or air, expands through a nozzle. The steam or air converts that pressure or potential energy to velocity or kinetic energy John Aglitz is chief engineer at NItech, Inc. (64 Horse Hill Rd., Cedar Knolls, NJ 07297; Tel: 201-538-1940), which manufactures vacuum systems. Mr. Aglitz holds a B.S. in chemical engineering from New Jersey Institute of Technology (Newark), and has 20 years of experience in vacuum system design and construction. He is a member of AIChE The ejectors are used to maintain a system vacuum in the upstream (Example maintaining the vacuum column pressure) whereas eductor's main objective is to take out the volume of any fluid out of the system by maintaining a system pressure in the upstream. example: 1. The eductors are used to remove the air 4 times the volume of the vessel per.
With our immense domain expertise, we are involved in offering Water Steam Jet Vacuum Ejector. Creates vacuum with help of motive power of steam or water operate without any moving parts, offered ejector is manufactured by our adept professionals using the finest quality components and progressive technology in adherence wit Osaka Vacuum can manufacture ejector systems using various drive sources to meet a wide variety of applications. A typical example is the steam ejector using water vapors. Other drive resources that can be used are air, water, and organic steam (such as ethylene glycol)
An example of the system supplied to our clients/ P & I diagram of the system: Liquid jet ejector system . Liquid jet ejector system provides a low maintenance,low cost alternative to other vacuum systems.They are simple in construction consisting of suction housing,diffuser and motive nozzle Liquid-ring vacuum pumps, centrifugal blowers, and steam ejectors are three devices that are commonly used to produce vacuum. This module explains how liquid-ring vacuum pumps create vacuum, explains why vacuum pump seal water should be cool, and describes the operation of liquid-ring vacuum pumps, single-stage and multi-stage centrifugal blowers, and steam ejectors How to Order Space Saving Vacuum Ejector Series ZQ ZQ105 5 EA1U K1 L Ejector Unit q w e r t y u i o !0 !1 !2 !3 q Nozzle nominal size 05 07 10 ø0.5 ø0.7 ø1.0 w. The combined air/brine ejector creates evaporator chamber vacuum condition by driving sea water pass through air/brine ejector, and sea water supplied by the ejector pump to be delivered to ejector for taking out the brine (concentrated seawater) and air. A simple fresh water generator diagram is shown below Evac manufacture a range of durable, water-saving and low sound level vacuum toilets. Search for spare parts by name or part number using the search box at the top of this page. If you do not know the part number, refer to the Technical Documentation her
Looking For Great Deals On Ejector Vacuum? From Everything To The Very Thing Vacuum is created by recirculating the sewage through one or more venturi ejectors and is maintained by pumps automatically controlled by vacuum switches on the incoming vacuum mains. An ejector valve shuts when the vacuum pump(s) stop running maintaining vacuum in the piping system. Vacuum is generated only in the piping system
G2 50 2,44 11,3 13 14,5 65 3,87 17,6 20,4 22,8 Factor K: 80 6,25 27,5 31,8 35,6 Motive pressure: 100 9,76 43,7 50,5 56,5 125 15,5 70,5 81,5 91 Material: 150 25 110 127 142 Connection type: 4 Liquid jet vacuum ejectors for continuous operation Motive medium = water at 25 °C Motive pressure range 4 - 7 bar (abs.) 8 2,3 Diagram for continuous. 4 C to ejector vacuum system E plate heat exchanger F cooling tower 1-3 boosters / ejector 5-6 direct contact condensers 7 liquid ring vacuum pump 4 stand by ejector 8 E F 8 separator 7 D hotwell A process vapour from column B scrubber It is sensible in the case of multi-stage compressions to combine the advantages of steam ejectors and water. with your system. All REGAL ejectors contain one or two check valve devices to prevent water from backing up into the various chlorinator or sulphonator system components (FLOODING) when ejector vacuum is lost due to normal (or non-normal) system shut down. To assure flooding does not occur under these circumstances, routin
design ofa vacuum system. This person must meet the qualification requirements defined in Section V, and is normally appointed by a responsible manager ofthe organization accountable for operation ofthe vacuum system. Vacuum system - Asystem consisting ofa vessel and its associated piping and components evacuated below atmospheric pressure c. Turbine Building Closed Loop Cooling Water System (Section 11.5) d. Turbine Building Ventilation System e. Service and Instrument Air System (Section 11.6) f. Auxiliary Boiler Steam System 8.1.1 Introduction The purposes of the offgas system are to: • establish and maintain a vacuum in the main condenser to improve cycle efficiency, an 3 Congratulations on the purchase of your new VacStar NEO Dental Vacuum System hereafter referred to as VacStar NEO in this manual . Your VacStar NEO has been engineered to deliver maximum air flow at the ideal vacuum level without creating traumatic suction pressure that could harm patients' delicate tissue . The VacStar NEO is a water ring pump tha Systems •Vacuum Based Membrane Systems •Filling Systems Service Support •Field Service with gas ejector vacuum pumps 56 Accessories 60 Acceptance specifications 63 Appendix 70 Vapour pressure of water 70 Materials and material combinations commonly used in the manufacture of liquid ring gas pumps 70. Vacuum pumps and compressors.
prevent the VacStar's water inlet filter from clogging too frequently . - Incoming water temperature should be between 40° and 75°F . - Water connection location is shown in Fig . 1 and 2a (water inlet connection) . Suction - For VacStar 20 and 40, suction hose is connected at suction intake, found on intake solids collector assembly Since 3.54 1019 mol. l-1 = 1 Torr at 0°C 6 1017 mol. l−1 = 6 1017 3.54 1019 = 1.7 10-2 Torr Thus a monolayer of gas is a quantity which may cause considerable pressure increases if allowed to desorb into the vacuum system
Ejector System/Vacuum Pump System. System Ejector System Component equipment Characteristics 0.5 Vacuum switch 0 to -101 kPa -20 kPa to -101 kPa 3% or less 24 VDC 2 to 25 0.3 to 1.2 0 to -101 kPa -20 kPa to -101 kPa 0.5 kPa 24 VDC 2 to 25 0.3 to 1.2 0.7 1.0 510 22 13 23 46 M5 (Standard)/M6 (Option The vacuum efficiency may be defined as the ratio of actual vacuum as recorded b y the vacuum gauge to the ideal vacuum i.e. the vacuum obtained when there is no leakage of air Steam Ejector technology is applied across all sectors of the process industry from huge capacity vacuum distillation units (VDU's) for petrochemical refineries to simple single stage models for reactor evacuation in chemical manufacture. • Refinery vacuum systems • Vacuum distillation units • Flash evaporator for seawater desalinatio black water processes onboard. BLACK WATER SYSTEMS Evac vacuum toilet system The Evac vacuum toilet system uses vacuum for sewage transport from sanitary fixtures, like toilets, to a sewage collection tank in small diameter sewage piping not depending on gravity. Vacuum can be created by sewage powered ejectors, or vacuum pumps Note: The term 'injector' is used by some manufacturers, others use 'ejector'. For simplicity we will use the 'injector' to cover all makes/models of gas chlorine injection products. A vacuum based feed system has the potential to pull chlorine when unintentional vacuum conditions are created in system plumbing
If you have a chair-side vacuum system and auto-electric holders, lift the HVE or saliva ejector from its holder and open the valve to turn on the vacuum. Return the instrument to its holder to turn off the vacuum. Auto-Electric Holder Saliva Ejector High Volume Evacuator (HVE) 1 Pull Out 2 Rotat Jet Vacuum Systems Private Limited - Offering Water Ejector System, वैक्यूम इजेक्टर प्रणाली, Water Jet Ejector in Manjusar, Vadodara, Gujarat. Read about company. Get contact details and address| ID: 263701838
Integration of the heat pipe with an ejector will result in a compact and high performance system. The concept of the heat pipe/ejector refrigeration cycle is discussed, in this paper 2. Ejector/feed water outlet 3. Sea/cooling water outlet 4. Ejector/feed water inlet 5. Brine outlet 6. Heating medium inlet 7. Heating medium outlet 8. Distillate outlet The AQUA Blue S-type has the option to taking ejector and feed water from the condenser outlet or from an alternative source. Feed water enters the evaporator section of the plat Many factors need to be taken into consideration to achieve a good quality plastic part in injection moulding. However, one of the big factors that is rarely given enough importance, is the AIR. By reducing the high pressures created by compressed air trapped in the cavity, we can obtain many benefits, such as; reduced cycle time: the plastic can flow freely through the cavity, therefore.
This is an environmentally friendly vacuum system that combines ejectors which are suitable for heavy exhaust volumes and a liquid-ring vacuum pump which adopts a closed-cycle system. Various conditions can be met by changing the number of ejectors, and by adding or removing a roots pump An injector is a system of ducting and nozzles used to direct the flow of a high-pressure fluid in such a way that a lower pressure fluid is entrained in the jet and carried through a duct to a region of higher pressure. It is a fluid-dynamic pump with no moving parts, excepting a valve to control inlet flow. A steam injector is a typical application of the principle used to deliver cold water. Vacuum specialist Schmalz is extending its range of vacuum generators with very high suction rates with the launch of the new basic ejector SBPL (Schmalz Bas..
injection). A vacuum line connects the ejector to the chlorinator. Water, under pressure is forced through the ejector nozzle which creates a strong vacuum in the ejector body. This pulls gas into the ejector through a special back-ﬂow check valve and then into the nozzle outlet. The gas mixes with the ejector water and is discharged through th capability including the seal water recirculation system. The vacuum receiver vessel is complete with a pressure transmitter to control the pump operation and includes an automatic drain tank arrangement to remove any water carry over from the system, therefore avoiding corrosion. If required, a priming valve and associate Figure 1: Illustration of an ejector. This equipment has many different applications, discussed below. Ejector flare gas recovery system; System designs in which the flare gas is compressed into the fuel gas system are common. The ejector system should be designed to avoid creating a vacuum in the flare gas line to ensure safe operation modeling and numerical simulation of ejector system, geometric optimizations, operating conditions optimizations and combinations with other refrigeration systems. The efficiency of the ejector cycle is very sensitive to the ejector efficiency (Domanski, 1995). However, there is very limited research on ejector efficiency
A vacuum ejector helps transform positive pressure to negative pressure to help create a vacuum. This can allow the system to pull items along the conveyor. Find single unit and inline box and inline body ported styles in a wide range of dimensional options. Shop Grainger for vacuum ejectors you can depend on Turbine Vacuum System in Thermal Power Plant - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. • Multistage condensing ejector systems can be designed to operate at any condenser pressure and designs are not limited by the available (or total recirculation) seal. through the vacuum line and to the ejector where the gas is thoroughly mixed with the water and applied as a solution. (Figure 1) The system is completely under vacuum from the ejector to the vacuum regulator inlet safety valve. If the water supply to the ejector stops or vacuum is lost for any reason, the sprin Therefore water must be high turbulence or should boil to ensure complete removal of all the gas.Vacuum pump& Ejector use to decrease the boiling point of water.Packing tower is made of polypropylene, high resistance to corrosion distribution of liquid and gas phase by raising the level of mass transfer between the two phase's increases. 3 Tabulation of Vacuum System Malfunctions 39. 3.1 Tidal Flop in Delaware 40. 3.2 Critical Discharge Pressure 43. 3.3 Fouling in Final Condenser 43. 3.4 Reduction in Back Pressure 45. 3.5 Loss of LVGO Pan Level 45. 3.6 Variations in Cooling Water Temperature 47. 3.7 Multi-Component Malfunctions 50. 3.8 Partial Tabulation of Vacuum System. Kenos® Vacuum gripping systems Palletizing solutions Water treatment Food & Beverage Baking goods Coffee Decentralized vacuum ejectors with safety check valve View. VGS™3040 with blow-off. Category: Type: Combined vacuum ejector and suction cup (VGS™