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VSH Threaded reducer (2 x female thread)

VSH Threaded reducer (2 x female thread)


The VSH Threaded D1101 is a straight reducer coupling with 2 female thread ends. VSH Threaded provides a wide assortment of fittings for every application. Ease of use and high quality are our top priorities in the VSH Threaded range.

  • manufactured from first class brass
  • same fitting applications for water and gas
  • provided with all relevant approvals


potable water heating compressed air


building installations industry
item number size weight dimensions packaging gtin
0450439 G1/2"xG3/8" DZR 0.03 kg 22x26x26 mm bag (10 pce) 08711985003734
0450549 G3/4"xG1/2" 0.04 kg 25x32x32 mm bag (5 pce) 08711985003758
0450659 G1"xG3/4" DZR 0.07 kg 28x40x40 mm bag (2 pce) 08711985003772
item number size d1 DN1 l1 d2 DN2 l2
0450439 G1/2"xG3/8" DZR 21.3 1/2" (DN15) 10 17.2 3/8" (DN10) 12
0450549 G3/4"xG1/2" 26.7 3/4" (DN20) 10 21.3 1/2" (DN15) 15
0450659 G1"xG3/4" DZR 33.7 1" (DN25) 12 26.7 3/4" (DN20) 16
see above for the diagram related to these dimensions
color brass
materials brass (CW602N (DZR), CW625N (DZR), CB772S-G)
finishing none
manufacturer Aalberts integrated piping systems B.V. (VSH)
shape straight, reducer
connection type G - female thread gas cylindrical (BSPP)
product group fittings (demountable)
ETIM class EC003024 Fitting with 2 connections
HS code 74122000
brand VSH
series Threaded
type D1101
UNSPS 40173601
label value
ETIM class EC003024 Fitting with 2 connections
Material connection 1 Brass
Surface protection connection 1 Untreated
Surface treatment connection 1 Untreated
Material connection 2 Brass
Surface protection connection 2 Untreated
Surface treatment connection 2 Untreated
Shape Straight
Reducing Yes
Eccentric No
System-specific Yes
Connection 1 Internal thread cylindrical BSPP-G (ISO 228-1)
Connection 2 Internal thread cylindrical BSPP-G (ISO 228-1)
Main colour fitting Brass
With buffer stud Yes
High tensile strength Yes
With thermal insulation No
With sealing rings/gaskets No
Capped No
With connection indicator No
With drain valve No
With de-aerator No
FM quality mark No
LPCB quality mark No
ULC quality mark No
UL quality mark No
DIN-CERTCO certificate No
VdS quality mark No
With approval for TÜV No
DVGW quality mark for gas No
DVGW quality mark for water No
Certified according to NF 545 No
KIWA certified No
Gastec QA mark No
KOMO certified No
Type approval according to BBR/EKS No