ASME & CE DN25 1
ASME & CE DN25 1
ASME & CE DN25 1
ASME & CE DN25 1
ASME & CE DN25 1
ASME & CE DN25 1
ASME & CE DN25 1

ASME & CE DN25 1

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Характеристики



Introduction


Vacuum Insulated Piping System, namely Vacuum Jacketed Piping System, is constructed in a high vacuum and multi-layer multi-screen special insulated materials, and passes through a series of extremely strict technical treatments and high vacuum treatment, which is used for LO2, LN2, Lar, LH2, LHe and LNG.


Three Connection Types


In order to maximize the different needs of customers, Vacuum Insulated Pipe has developed three connection types, namely Vacuum Bayonet Connection Type with Clamps, Vacuum Bayonet Connection Type with Flanges and Bolts and Welded Connection Type. They have different advantages and are suitable for different working conditions.



Vacuum Bayonet Connection Type with Clamps
Vacuum Bayonet Connection Type with Flanges and Bolts

Welded Connection Type
Connection Type
Clamps
Flanges and Bolts
Weld
Insulation Type at joints
Vacuum
Vacuum
Perlite or Vacuum

On-site Insulated Treatment

No

No
Yes, perlite filled into or vacuum pump out from the Insulated Sleeves at joints.
Nominal Diameter of Inner Pipe
DN10(3/8")~DN25(1")
DN10(3/8")~DN80(3")
DN10(3/8")~DN500(20")
Design Pressure
≤8 bar
≤16 bar
≤64 bar
Installation
Easy
Easy
Welder
Length
1~8.2 meter
Material
Stainless Steel 304, 304L, 316, 316L
Medium
LN2, LOX, LAr, LHe, LH2, LNG


Specification


Model
Connection Type
Nominal Diameter of Inner Pipe
Design Pressure
Material of Inner Pipe
Standard
Remark
HLPSB01008X
Vacuum Bayonet Connection Type with Clamps for Vacuum Insulated Piping System
DN10, 3/8"



8 bar


300 Series Stainless Steel


ASME B31.3
X:
Material of Inner Pipe.
A is 304,
B is 304L,
C is 316,
D is 316L,
E is other.
HLPSB01508X
DN15, 1/2"
HLPSB02008X
DN20, 3/4"
HLPSB02508X
DN25, 1"


Nominal Diameter of Inner Pipe:
Recommended ≤ DN25 or 1". Or selects the Vacuum Bayonet Connection Type with Flanges and Bolts (from DN10, 3/8" to DN80, 3"), Welded Connection Type VIP (from DN10, 3/8" to DN500, 20")


Nominal Diameter of Outer Pipe:
Recommended by the Enterprise Standard of HL Cryogenic Equipment. It also can be produced according to requirement of the customer.


Design Pressure:
Recommended ≤ 8 bar. Or selects the Vacuum Bayonet Connection Type with Flanges and Bolts (≤16 bar), Welded Connection Type (≤64 bar)


Material of Outer Pipe:
Without special requirement, the material of inner pipe and outer pipe will be selected the same.


Dynamic and Static Vacuum Insulated Piping System


Dynamic Vacuum Insulated Piping System
Static Vacuum Insulated Piping System
Introduction
Compared with Static Vacuum System, the vacuum degree of Dynamic Vacuum System is more stable and does not decrease with time.
VJP completes the vacuum insulation work in the manufacturing plant.
Advantages
Recommended to install in a place where the room is too small for future maintenance.
More economical investment and simple on-site installation
Vacuum Bayonet Connection Type with Clamps
Applicative
Applicative
Vacuum Bayonet Connection Type with Flanges and Bolts
Applicative
Applicative
Welded Connection Type
Applicative
Applicative


Dynamic Vacuum Insulated Piping System: Consist of Vacuum Insulated Pipes, Jumper Hoses and Vacuum Pump System.


Product packaging




About The Production


About the Scope of Supply
* Vacuum Insulated/Jacketed Pipe
* Vacuum Insulated/Jacketed Flexible Hose
* Phase Separator/Vapor Vent
* Vacuum Insulated (Pneumatic) Shut-off Valve
* Vacuum Insulated Check Valve
* Vacuum Insulated Regulating Valve
* Vacuum Insulated Connector for Cold Box & Container
* MBE Liquid Nitrogen Cooling System
* Other cryogenic support equipment related to VI piping, including but not limited to, such as safety relief valve
(group),liquid level gauge, thermometer, pressure gauge, vacuum gauge, electric control box and so on.


About the Application of VI Piping
*Air Separation Plant
*Electronic Engineering Industry
*Semiconductor and Chip
*Aerospace
*Automobile Engine and Electromotor
*Bio-pharmaceutical Industry
*Food & Beverage Industry
*Liquefied Natural Gas (LNG)


About Our Partnership
HL Cryogenic Equipment passed International Gases Companies’ (inc. Air Liquide, Linde, AP, Messer, BOC) on-site audit and became their qualified supplier. The International Gases Companies respectively authorized HL to produce with its standards for its projects. HL provided solutions and products to them in air separation plant and gas application projects.
About the Raw Materials
HL Cryogenic Equipment is a vacuum manufacturer. All raw materials are purchased from qualified suppliers. So, The raw materials can be specified standards and requirements by user. Usually, ASTM /ASME 300 Series Stainless Steel (Acid Pickling, Mechanical Polishing, Bright Annealing and Electro Polishing) is selected.


FAQ


Q：About the Minimum Order.
A：There is no limited for minimum order.


Q： About the Manufacture Standard.
A：HL's Vacuum Insulated Pipe (VIP) is built to ASME B31.3 Pressure Piping code as the standard.


Q：About the Specification.
A：The size and design pressure of the inner pipe shall be according to the customer's requirements.The size of the outer pipe shall be according to the HL standard (or according to the customer's requirements).




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