Flexible Tubular Heater Installation – Nextflex

Nextflex Tubular heaters

www.nexthermal.com

Next Generation

Flexible Tubular Heaters

Introducing the Nextflex

• Flexible tubular heater

• External sheath made of nickel braid

• External sheath fits into surface groove without any air

gaps

• Bendable into nearly all shapes

• Bending tool as bending aid available

• Wide range of stock heaters (diameter, length and

wattage)

Types of Nextflex

• Nextflex– standard stocked item in 8.0mm and 8.5mm

• Nextflex – hermetic -- Special order– sealed against gases and liquids

• Nextflex -- hermetic vario -- Special order– sealed, one sided connection

8.0mm available in Round and D-shape

Nextflex

8.0mm Nextflex

• Available lengths ex stock :– 300 mm – 2100 mm in increments of 50 mm

• Available wattage ex stock:– 450 W to 3600 W (@230 V) depending on diameter and

length

• Available upon request:– Other lengths

– Other wattages

– Other connection types

Nextflex

8.5mm Nextflex

• Available lengths ex stock:– 300 mm – 1500 mm in increments of 50 mm

• Available wattage ex stock:– 450 W to 3300 W (@230 V) depending on diameter and

length

• Available upon request:– Other lengths

– Other wattages

– Other connection types

Nextflex

Available diameter ex stock /connection type /

bending radius from the middle:

• □ (6 x 6) mm / M3 / 12 mm

• ○ 6.5 mm / M3 / 12 mm

• ○ 8.0 mm / M4 / 14 mm Stocked round and D shaped

• ○ 8.5 mm / M4 / 14 mm Stocked in round shape

• □ (8 x 8) mm / M4 / 14 mm

• Available on request: □ (4 x 4) mm

Nextflex

Nextflex Hermetic

• Hermetically sealed

• No intrusion of gases, liquids or humidity

• Temperature resistant up to 450°C

• Special order item—6 week lead time

Nextflex Hermetic

Available diameter / bending radius

from the middle, connection type:

• □ (6 x 6) mm / 12 mm

• ○ 6.5 mm / 12 mm

• ○ 8.0 mm / 14 mm

• ○ 8.5 mm / 14 mm

• □ (8 x 8) mm / 14 mm

• All types M4 thread

• Available upon request: various length / wattage

Nextflex Hermetic

Nextflex-Hermetic Vario

• One-sided connection head

• Hermetically sealed

• No intrusion of gases, liquids or humidity

• Optional integrated thermocouple

• Special order item 6 week delivery


Available Selections:

• □ (4 x 4) mm

• □ (6 x 6) mm

• ○ 6.5 mm

• ○ 8.5 mm

• □ (8 x 8) mm

• Available upon request: various length / wattage


Nextflex Shapessquare shape

contact surface 75%round shape

contact surface 50%

- greater circumference than round

shape

- improved heat transfer

NEW!

square + round shape

contact surface 72%

Nextflex D-Shape

•The new heater for 8.0mm grooves

•Optimal heat transfer (above 72% and beyond)

Nextflex Round vs. D-shapeNote: Forming and staking tools required to properly install D Shape heater

Traditional Round Shape

Contact surface 50%

Advantage:

Ease of installation

Innovative D-shape

contact surface 72%

Advantage:

Improved heat transfer/energy efficiency

Staking reduces need for holding mechanism

Nextflex compelling advantage

Excellent Heat Transfer

Nexflex D-shape heaters proven to be faster and more

efficient than our previous generation flexible heater in side

by side test. Ask your Nexthermal representative to show

you the video.

User formable — Shipped in simple to install straight lengths

Availability — Nextflex heaters ship same day from stock for

orders placed before 2:00 p.m. Eastern Standard Time

Eliminate guesswork — Nextflex true to size heaters do not

expand when installed, eliminating risk of heated section outside of

the manifold

Supporting tools — Reduce installation time and improve

performance with Nexthermal installation tools

Technical support — Nexthermal can assist you in selection,

installation advice and improving application performance

Nexthermal Tubular Heaters…the next generation flexible tubular heater.

Heat Test: Previous generation flexible tubular heater (left) vs. the Nextflex (right). With

Nextflex you are the clear winner.

Side by side test data demonstrates that Nextflex heaters transfer more heat to your tool. The

chart shows that the Nextflex heater is very close to the tool temperature when our previous

flexible heater shows a differential of more then 100Cº.

Nextflex round Nextflex D-shapeNextflex D-shape in

square groove

Nextflex toolsForming tool recommended for round Nextflex

Forming and staking tool required for Nextflex D Shape

Nextflex Forming tool

• Designed for Nextflex

• Helpful bending aid

• No damage of Nextflex

Nextflex Staking tool

• Designed for Nextflex

• Helpful assembly aid

• Optimized compressing

Nextflex heaters are simple and efficient

Efficient to Install Best Practices

Nextflex tools reduce installation time and eliminate the

need for additional retention methods.

Making sure heater is

directly above the groove,

strike with Teflon® side of

Nextflex forming tool.

One hard strike is better

than two soft ones.

Strike the Nextflex staking

tool hard every 20mm

(~.75"). This creates a

Firmly seated heater with

excellent heat transfer.

Form the first bend at

center location prior to

striking.

When bending, make sure

the Nextflex tool handle is

parallel with the uninstalled

Nextflex. This puts the

minimum bending radius

protection in the correct

position.

The first 10mm (~.40") after

the connection area should

always be straight.

For bending the Nextflex

we recommend our

Nextflex toolset. This will

allow the Nextflex to be

seated optimally into the

groove, resulting in

maximum heat transfer.

For optimal heat transfer, it

is best to stake the Nextflex

after assembly

approximately every 20mm

(~.75") into the groove.

Pneumatic hammer

attachment.

Customer Benefits

Benefits of External Sheath made of Nickel Braid

• 3x better heat transfer than stainless steel

• Flexible nickel braid adapts to the form of the groove

• Minimum air gap of nickel braid compared to stainless

steel versions

Customer Benefits

• No stretching during installation process

• Hermetically sealed connection head temperature

resistant up to 450°C (Nextflex Hermetic)

• Hermetically sealed connection head temperature

resistant up to 260°C (Nextflex Hermetic Vario)

• Dimension (4x4) mm available

• One sided connection heads available

Customer Benefits

• Also available with integrated Thermocouple – 4x4 and Hermetic Vario

• M3 and M4 thread available instead of M2.5

• Not bendable area 30/30 mm instead of 35/35 mm

Nextflex heaters are stocked in 8mm

and 8.5mm diameters

LengthHeated

Length

6.5mm Diameter 8.0mm Diameter 8.5mm Low Watt 8.5mm Standard

Round D-Shape Round D-Shape

min. bending radius 9mm

groove tolerance 6.6-7.7mm







Part Numberone week lead time

Part Numbership same day

Part Numberone week lead time

Part Numbership same day

300 240 NF06.5-0300L-0450W NF08.0-0300L-0560W Special Order NF08.5-0300L-0650W




500 440 NF06.5-0500L-0700W NF08.0-0500L-1025W NF08.5-0500L-0700W NF08.5-0500L-1100W





















1550 1490 Special Order NF08.0-1550L-3480W Special Order Special Order












To convert above metric values to imperial, divide by 25.4. Example: 500 mm/ 25.4 = 19.685”

NOTE: 10mm diameter available by special order.

Nextflex Stocking ListAll Nextflex heaters are 230V. Connections: 6.5mm/M3, 8.0mm/M4, 8.5mm/M4

Nextflex part numbers are easy to decode.

NF

Nextflex

08.5

8.5mm ø300L

300mm Length

0650W

650W @ 230V

NF 08.5 300L 0650W

Any Questions?

Thank You!

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Flexible Tubular Heater Installation – Nextflex