Annular pipe and fittings

The flexible stainless steel annular pipe system

Article number Size
ww2010xx R 3/8" (DN10)
ww2020xx R 1/2" (DN12)
ww2030xx R 3/4" (DN16)
ww2040xx R 1" (DN20)
ww2050xx R 1 1/4" (DN25)
ww2060xx R 1 1/2" (DN32)

xx= 05m, 10m, 15m, 20m, 25m, 30m, ..., 50m
(On request in other lengths available)

The annular pipe is made of high-grade steel 316L, and stress relief annealed.

Tubes are available in rolls which allows for easy transport and storage.

Suitable for all standard tupe fittings and insulations.

The connection is always made with a graphite cone sealing.

Our flexible high-grade stainless steel pipe is quick, safe and easy to install, because of its physical, mechanical and thermal strength. typical applications:

  • solar industry
  • cold/hotwater
  • heat exchangers
  • repair pipe
  • steam and trace heating
  • vessel connections
  • pipe for heat pumps
  • other fluide

Advantages:
The stainless steel pipe is stress relief annealed, has a high form stability after bending and a high lifetime.

Fittings, brass

Nut with supporting ring and gasket

Also available in stainless steel (on request), Packaging unit 4 pieces

Article numbersize
ww0200123/8" (DN10)
ww0200131/2" (DN12)
ww0200143/4" (DN16)
ww0200181" (DN20)
ww0200191 1/4" (DN25)

Straight fittings connector male (flat sealed)

Packaging unit 5 pieces

Article numberSize
ww0210103/8" × 3/8"
ww0210111/2" × 1/2"
ww0210133/4" × 3/4"
ww0210151" × 1"
ww0210161 1/4" × 1/4"

Straight fittings connector male (flat sealed)

Packaging unit 5 pieces

Article numberSize
ww0210183/8" × 1/2"
ww0210201/2" × 3/4"
ww0210701/2" × 1"
ww0210403/4" × 1"
ww0210501" × 1 1/4"
ww2088831 1/4" - 1 1/2"

Compression ring nut design

Packaging unit 5 pieces

Article numberSize
ww0250551/2" × 12
ww0250131/2" × 15
ww0250523/4" × 18
ww0250573/4" × 22
ww0250351" × 22
ww0250661" × 28

Brass tee, flat sealed

Article numberSize
ww0216011/2" × 1/2" × 1/2" (IG)
ww0216023/4" × 3/4" × 3/4" (IG)
ww0216031" × 1" × 1" (IG)
ww0216051/2" × 1/2" × 1/2" (AG)
ww0216063/4" × 3/4" × 3/4" (AG)
ww0216071" × 1" × 1" (AG)

Compression fittings with brass ring, flat sealed

Packaging unit 5 pieces

Article numberSize
ww0250101/2" × 15
ww0250201/2" × 18
ww0250503/4" × 18
ww0250603/4" × 22
ww0250371" × 22

Compression fittings with brass ring, flat sealed

Packaging unit 5 pieces

Article numberSize
ww02500012 × 12
ww02501215 × 15
ww02502218 × 18
ww02503222 × 22

Compression fittings 90°, flat sealed

Packaging unit 5 pieces

Article numberSize
ww0250051/2" × 12 (90°)
ww0250413/4" × 15 (90°)
ww0250513/4" × 18 (90°)
ww0250641" × 22 (90°)

Compression fittings 90°, flat sealed

Packaging unit 5 pieces

Article numberSize
ww02500412 × 12 (90°)
ww02501915 × 15 (90°)
ww02502418 × 18 (90°)
ww02503422 × 22 (90°)

Annular hose male

Packaging unit 5 pieces

Article numberMetal to metal sealing systems
ww290020WS DN12 × 1/2" AG
ww300020WS DN16 × 1/2" AG
ww300021WS DN16 × 3/4" AG
ww300022WS DN16 × 1" AG
ww310020WS DN20 x 3/4".AG
ww310021WS DN20 × 1" AG
ww320020WS DN25 × 1" AG
ww320021WS DN25 × 1 1/4" AG
ww330022WS DN32 × 1 1/4" AG
ww330024WS DN32 × 3/4" AG
ww330025WS DN32 × 1" AG
ww340023WS DN40 × 1 1/2" AG

Annular hose female

Packaging unit 5 pieces

Article numberMetal to metal sealing systems
ww290005WS DN12 × 1/2" IG
ww300010WS DN16 × 1/2" IG
ww300011WS DN16 × 3/4" IG
ww300012WS DN16 × 1" IG
ww310010WS DN20 × 3/4" IG
ww310011WS DN20 × 1" IG
ww320010WS DN25 × 1" IG
ww330013WS DN32 × 1 1/4" IG
ww330014WS DN32 × 1" IG
ww340014WS DN40 × 1 1/2" IG

Annular hose coupling

Packaging unit 5 pieces

Article numberMetal to metal sealing systems
ww290030WS DN12 × DN12 Kupplung
ww300030WS DN16 × DN16 Kupplung
ww310030WS DN20 × DN20 Kupplung
ww300030WS DN25 × DN25 Kupplung
ww330031WS DN32 × DN25 Kupplung
ww330030WS DN32 × DN32 Kupplung

Annular hose compression fitting

Packaging unit 5 pieces

Article numberMetal to metal sealing systems
ww290041WS DN12 × 15 mm CU KRV
ww300040WS DN16 × 15 mm CU KRV
ww300042WS DN16 × 18 mm CU KRV
ww300041WS DN16 × 22 mm CU KRV
ww300043WS DN20 × 15 mm CU KRV
ww310041WS DN20 × 18 mm CU KRV
ww310040WS DN20 × 22 mm CU KRV
ww320045WS DN25 × 15 mm CU KRV
ww320041WS DN25 × 18 mm CU KRV
ww320040WS DN25 × 22 mm CU KRV
ww330040WS DN32 × 22 mm CU KRV

Annular hose connector

Packaging unit 5 pieces

Article numberMetal to metal sealing systems
ww290052WS DN12 × 15 mm Stutzen
ww290053WS DN12 × 18 mm Stutzen
ww290054WS DN12 × 22 mm Stutzen
ww310052WS DN16 × 15 mm Stutzen
ww310053WS DN16 × 18 mm Stutzen
ww310054WS DN16 × 22 mm Stutzen
ww310051WS DN20 × 18 mm Stutzen
ww310050WS DN20 × 22 mm Stutzen
ww310055WS DN25 × 22 mm Stutzen
ww310056WS DN25 × 28 mm Stutzen
ww330050WS DN32 × 22 mm Stutzen

Spare parts

NBR, stabilized fibers, 180°C

Packaging unit 10 pieces

Article numberSize
ww0220103/8"
ww0220201/2"
ww0220303/4"
ww0220401"
ww0220501 1/4"

PTFE, teflon, compound 260° C

Packaging unit 10 pieces

Article numberSize
ww0220103/8"
ww0220201/2"
ww0220303/4"
ww0220401"
ww0220501 1/4"

Do you have any further questions?

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