Vacuum Barrier Systems (VBS) SPRL - Specialists in Cryogenic Systems, Liquid Nitrogen Pipe System Design
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Vacuum Barrier Systems offers a unique range of vacuum jacketed lines and cryogenic transfer systems. From short flexible hoses to large plant distribution systems, from “do it yourself” mail order sales to complete turnkey systems, Vacuum Barrier Systems will provide the most cost effective solution. With 25 years of experience in serving various European industries, strong links with installation companies in various countries and technical support from world leaders in their fields, we can handle small and large projects anywhere in Europe. In addition to transfer lines, we also specialise in specific cryogenic process equipment such as LN2 dosing systems for the food and beverage industry, LN2 circulation systems for molecular beam epitaxy, spraying systems for halogen lights manufacturing, …
Liquid Nitrogen Dosing
PET Bottle and Thin-Wall Can Pressurisation or Inerting, Pressurisation and Inerting with Liquid Nitrogen
Pressurisation of PET Bottles
PET blottles and thin wall cans with controlled, high purity liquid nitrogen provides package strength to eliminate paneling and palletising problems and provides cost savings with the use of lighter weight plastic.
Inerting bottles and thin wall cans in modified atmosphere applications extends product shelf life, maintains product taste, color and freshness, reduces oxygen absorption and eliminates paneling.
Pressurisation for PET Bottles, thin wall cans and other package types, Controlled, high purity liquid nitrogen
providing:
- Package strength to eliminate panel and pallet problems
- Vending machine compatibility
- Firm package for customer appeal
- Manufacturer cost savings with the use of lighter weight plastic
Applications in Non-Carbonated Beverages Vegetable Oil, Juices And Others
Inserting Bottles, Thin Wall Cans and Other Package Types
Inserting delicate products in modified atmosphere applications
- Extends product shelf life
- Maintains product taste, color and freshness
- Reduces oxygen absorption by product
- Eliminates paneling
Liquid Nitrogen is Dosed - NITRODOSE®
A precisely timed drop of liquid nitrogen is dosed into the package before and/or after filling.The cold liquid nitrogen rapidly turns into nitrogen gas at room temperature and expels the air from the empty package and/or headspace-1g of liquid nitrogen yields 850 ml of nitrogen gas.This process provides reduced oxygen content to the package.
Applications for Vegetable oil, nuts, fruit juices, dairy products, wine and snack items
NITRODOSE® HSV
NITRODOSE® MS
NITRODOSE® HSA
NITRODOSE® Easy Dose
NITRODOSE® Linerter II
Liquid Nitrogen Dosing Systems for Precise Liquid Nitrogen Delivery
PET and Thin-Wall Package - NITRODOSE® HSV (High Speed Valve)
Precise Delivery of low pressure liquid nitrogen at the highest speed PET and thin-wall package lines
- High speed valve with the lowest liquid nitrogen consumption with high efficiency vacuum insulation
- Dose compensation logic for consistent results over a wide variation of line speeds
- Advances dosing valve that delivers pure, single phase liquid nitrogen
- Lowest delivery pressure to minimise splashing
- Frost free operation
- Encoder option for position based dosing
- Continuously self monitored system with remote alarm indicatore
- PLC controlled/touch screen/user selectable language
- Connects directly with VBC SEMIFLEX® or Triax liquid nitrogen piping providing complete supply system form storage tank to filling line
- Slim profile and simple mounting adapts to any filling line
Dosing of Liquid Nitrogen - NITRODOSE® MS (Multiple Speed)
Precise dosing of liquid nitrogen up to 750 containers per minute - continuous stream thereafter for all PET and thin - wall can line speeds
- Multiple speed valve with the lowest liquid nitrogen consumption with high efficiency vacuum insulation
- Advanced dosing valve that delivers pure, single phase liquid nitrogen
- Lowest delivery pressure to minimize splashing
- Frost free operation
- Allows fine adjustments of dose amount and timing during operation
- Continuously self monitored system with remote alarm indicator
- PLC controlled/touch screen/user selectable language
- Connects directly with VBC SEMIFLEX® or Triax liquid nitrogen piping providing completes supply system fro storage tank to filling line
- Slim profile and simple mounting adapts to any filling line
NITRODOSE® HSA (High Speed Aseptic)
Precise delivery of sterile, low pressure liquid nitrogen for all aseptic filling lines
- Superior efficiency for low liquid nitrogen consumption
- Dose compensation logic
- Rounded edges and Stainless Steel valve cover promotes liquid roll off away from the package opening and can withstand high pressure water or chemical clean up
- Operates frost free
- Designed with filtering integrity
- Exterior promotes cleanliness and eliminates contamination from product build up
- PLC controlled/touch screen/user selectable language
- Connects directly with VBC SEMIFLEX® or Triax liquid nitrogen piping providing complete supply system form storage tank to filling line
- Slim profile and simple mounting adapts to any filling line
Liquid Nitrogen Injection Systems - Easy Dose NITRODOSE®
New low cost liquid nitrogen injection system named for its simplicity of installation, start up and operation adjustments for different package types that take just seconds
- Provides liquid nitrogen dosing for slower capacity lines
- Accurately delivers controlled amounts of liquid nitrogen for pressurisation or inerting containers
- Dose can be easily adjusted when running
- Can be used for a limited or full production run
- No container/No dose capability
- PLC controlled /touch screen/user selectable language
- Slim profile and simple mounting adapts to any filling line
- Connects directly with VBC SEMIFLEX® or Triax liquid nitrogen piping providing complete supply system for storage tank to filling line
- Trouble free operation
- Sealed or dynamic vacuum systems available
Slow Dosing of Liquid Nitrogen - NITRODOSE® Linerter II
Discreet dosing of liquid nitrogen to slower capacity line speeds at and affordable price
- Delivers controlled amounts of liquid nitrogen in a shore period of time
- Oxygen levels greatly reduced in a variety of products
- Extend shelf life
- Maintain product taste, color and freshness
- PLC controlled
- CE compliant
Vacuum Insulated Cryogenic Hose/Piping Systems for Liquid Nitrogen Transfer
Making it profitable for modern industry to automate liquid nitrogen use with innovative solutions when handling cryogen.
Vacuum Barrier`s line of cryogenic hose and pipe eliminate frost, moisture and ice ball problems and provides low cool down and steady state heat loss for superior thermal performance. Vacuum Barrier offers 47 years of experience in the design, fabrication and manufacturing of cryogenic pipe and hose.
Vacuum Barrier continues to provide innovative solutions to the problems associated with handling cryogen and make it profitable for modern industry to automate liquid nitrogen use.
Liquid Nitrogen Pipe System Design Considerations
HEAT LOSSES
Any vacuum insulation pipe system, the liquid nitrogen losses attributable to the heat leak in the pipe are miniscule compared to the losses which occur in the system as a whole. The major portion of heat loss occurs from the following factors;
Tank Connection: In a typical pipe system connected to a bulk storage tank, the interface between the tank and the vacuum insulated pipe is bare copper pipe with a main shut off valve and safety relief assembly. This connection will normally have a loss rate of 5 to 15 pounds of liquid nitrogen per hour or more. Losses here flow through the entire pipe systems as gas along with the liquid. SEMIFLEX® systems can effectively eliminate tank connection losses using a vacuum insulated tank bayonet and valve.
Equipment Connection: This is the part of the system at the end of the vacuum insulated line. It consists of a non-jacketed valve and safety relief valve. Losses average 3 to 10 pounds of liquid nitrogen per hour. To minimise these losses, controls should be configured so that connections are active only to satisfy equipment requirements and not constant. SEMIFLEX® systems minimise equipment connection losses.
Flash Loss: “Flash” is caused by the reduction of pressure when a valve is opened to withdraw liquid or when liquid is passed through a pressure-reducing valve of any kind. At 100 psig, flash losses approach 30% of liquid used. Since SEMIFLEX® systems substantially reduce overall consumption of liquid nitrogen, flash losses are also minimised.
Two Phase Flow
Even a small heat leak in a liquid nitrogen delivery system generates a large volume of gas. At -320F, liquid nitrogen converts gas at a ratio of 300 to 1; as liquid nitrogen warms to ambient temperatures, the ratio approaches 700 to 1. Since all liquid nitrogen pipe systems will have some flash loss and pipe heat leak, two phase flow (liquid/gas) will occur in the pipe. For many applications, however, a supply of liquid nitrogen in pure liquid form is preferable. Only SEMIFLEX®/Triax systems are capable of completely eliminating two phase flow of liquid nitrogen to use points.
Products Include: Dynamic SEMIFLEX®, Sealed SEMIFLEX® SEMIFLEX® Triax and COBRAFLEX®
Contact
Vacuum Barrier Systems
Boulevard de la Cense,72
1410 Waterloo
Belgium
Phone +32 2 354 71 77
Fax +32 2 354 72 22
