Good Quality Vacuum Hose - Vacuum Insulated Flexible Hose Series – Holy

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Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Cryogenic Liquid Storage Tank , Cord Stem Cell Banking , Vacuum Jacketed Piping Price , Our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.

Good Quality Vacuum Hose - Vacuum Insulated Flexible Hose Series – Holy Detail:

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Vacuum Insulated Piping

Vacuum Insulated Hose (vacuum hose), namely Vacuum Jacketed Hose, as a Perfect substitute for conventional piping insulation. Compared with conventional piping insulation, the heat leakage value of VIP is only 0.05~0.035 times of conventional piping insulation. Significantly save energy and cost for customers.

The product series of Vacuum Insulated Hose, Vacuum Insulated Pipe, Vacuum Insulated Valve, and Phase Separator in HL Cryogenic Equipment Company, which passed through a series of extremely strict technical treatments, are used for transferring of liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid helium, LEG and LNG, and these products are serviced for cryogenic equipment (e.g. cryogenic tank, dewar and coldbox etc.) in industries of air separation, gases, aviation, electronics, superconductor, chips, pharmacy, hospital, biobank, food & beverage, automation assembly, rubber, new material manufacturing chemical engineering, iron & steel, and scientific research etc.

1.1 Four Connection Types

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

Scope of Application

	Vacuum Bayonet Connection Type with Clamps	Vacuum Bayonet Connection Type with Flanges and Bolts	Welded Connection Type	Thread Joint Connection Type
Connection Type	Clamps	Flanges and Bolts	Weld	Thread
Insulation Type at joints	Vacuum	Vacuum	Perlite or Vacuum	Wrapping Insulated Materials
On-site Insulated Treatment	No	No	Yes, perlite filled into or vacuum pump out from the Insulated Sleeves at joints.	Yes
Nominal Diameter of Inner Pipe	DN10(3/8″)~DN25(1″)	DN10(3/8″)~DN80(3″)	DN10(3/8″)~DN150(6″)	DN10(3/8″)~DN25(1″)
Design Pressure	≤8 bar	≤16 bar	≤40 bar	≤16 bar
Installation	Easy	Easy	Weld	Easy
Design Temperature	-196℃~ 60℃ (LH2 & LHe：-270℃ ~ 60℃)
Length	≥ 1 meter/pcs
Material	300 Series Stainless Steel
Medium	LN₂, LOX, LAr, LHe, LH₂, LNG

1.2 Dynamic and Static Vacuum Insulated Flexible Hose

Vacuum Insulated (VI) Flexible Hose can be divided into Dynamic and Static VI Flexible Hose.

l The Static VI Hose is fully completed in the manufacturing factory.

l The Dynamic VI Hose is offered a more stable vacuum state by a continuous pumping of vacuum pump system on site, and the rest of the assembly and process treatment is still in the manufacturing factory.

	Dynamic Vacuum Insulated Flexible Hose	Static Vacuum Insulated Flexible Hose
Introduction	The vacuum degree of the vacuum interlayer is monitored continuously, and the vacuum pump is automatically controlled to open and close, to ensure the stability and effectiveness of vacuum degree	VJ Flexible Hoses complete the vacuum insulation work in the manufacturing plant.
Advantages	The vacuum retention is more stable, basically eliminate the vacuum maintenance in the future working.	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
Thread Joint Connection Type	Applicative	Applicative

Dynamic Vacuum Insulated Flexible Hose System: Consist of Vacuum Flexible Hoses, Jumper Hoses and Vacuum Pump System (including the vacuum pumps, solenoid valves and vacuum gauges). Easily installed in small room. The length of single Vacuum Insulated Flexible Hose can be customized according to customer’s requirements.

2.SPECIFICATION AND MODEL

HL-HX-X-000-00-X

Brand

HL Cryogenic Equipment

Description

HD: Dynamic VI Hose
HS: Static VI Hose

Connection Type

W: Welded Connection Type
B: Vacuum Bayonet Connection Type with Clamps
F: Vacuum Bayonet Connection Type with Flanges and bolts
T:Thread Joint Connection Type

Nominal Diameter of Inner Pipe

010: DN10
…
080: DN80
…
150: DN150

Design Pressure

08: 8bar
16: 16bar
25: 25bar
32: 32bar
40: 40bar

Material of Inner Pipe

A: SS304
B: SS304L
C: SS316
D: SS316L
E: Other

3.1 Static Vacuum Insulated Cryogenic Flexible Hose

3.1.1 Vacuum Bayonet Connection Type with Clamps

Model	Connection Type	Nominal Diameter of Inner Pipe	Design Pressure	Material of Inner Pipe	Standard	Remark
HLHSB01008X	Vacuum Bayonet Connection Type with Clamps for Static Vacuum Insulated Flexible Hose	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.
HLHSB01508X		DN15, 1/2″
HLHSB02008X		DN20, 3/4″
HLHSB02508X		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 (from DN10, 3/8″ to DN150, 6″)

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 (≤40 bar)