Strainer
Datasheet for 2662, Issue 0120
Dimensions
PN G C L H Sw Sw1 Mass
Art.nr. DN Kv
[bar] [in] [mm] [mm] [mm] [mm] [mm] [kg]
1 2662 11 15 25 1/2˝ 15 68 37 25 22 3,10 0,176
1 2662 12 20 25 3/4˝ 16,3 80 46 32 24 6,30 0,280
1 2662 13 25 25 1˝ 19 90 55 41 25 10,40 0,540
1 2662 14 32 25 1-1/4˝ 14 93 62 47 32 16,5 0,363
1 2662 15 40 25 1-1/2˝ 16 105 69 54 36 27,4 0,804
1 2662 16 50 25 2˝ 18 125 83 67 46 36,7 1,310
Material and construction
Body: forged brass acc. to EN 12420; CW602*
*Exception is DN 50: Casted Brass acc. To EN 1982; CC770S
Closing plug: forged brass acc. to EN 12420; CW602
Sieve: stainless steel, single, meshed perforation 0,5mm
Plug seals: EPDM
Internal threaded side connection: G acc. to ISO 228-1
Operating data
Operating pressure: up to 25 bar
Operating temperature range: -30°C to +130 °C (water 0,5 °C to 95 °C)
Medium:
Heating water quality according to ÖNORM H5195 or VDI-Standard 2035. The use of ethylene or propylene glycol in
a mixing ratio 25- 50% is allowed. Please refer to manufacturers documentation when using ethylene glycol products
for frost and corrosion protection. HERZ water strainers DZR is not suitable for usage of agressive medium (such as:
acids, alkalis, combustible and explosive gases..) because it can destroy sealing components. Pursuant to Article 33
of the REACH Regulation (EC No. 1907/2006), we are obliged to point out that the material lead is listed on the SVHC
list and that all brass components manufactured in our products exceed 0.1% (w / w) lead (CAS: 7439-92-1 / EINECS:
231-100-4). Since lead is a component part of an alloy, actual exposure is not possible and therefore no additional
information on safe use is necessary. Please note that EPDM gaskets will be affected by Mineral oils lubricants and
thus lead to failure of the EPDM seals in the valves that use EPDM seals.
HERZ Armaturen Ges.m.b.H
Richard-Strauss-Strasse 22,1230 Vienna, Austria,
Datasheet for 2662, Issue 0120
Field of application
HERZ water strainer DZR is used in water installations, heating systems and industrial plumbing. It is used wherever
you want to clean a medium of dirt or where you want to protect sensitive installations elements.
Assembly instructions
The threads of the pipe are coated with a suitable sealing material (spinning material, Teflon ribbon, sealing paste)
and the pipe end is screwed into strainer. When assembling use suitable assembly tool, that adapts to valve end
connections Sw. Special attention should be paid to the flow direction indicated on the housing with an arrow.
Brass
HERZ use top-quality brass that responds to the latest European norms DIN EN 12164, DIN EN 12165 and DIN EN
1982. Housings of water strainers are made from brass due to its good strenght, excellent corrosion resistance and
variety of other properties. Please note that water strainers DZR listed in this data sheet are made from CW602N and
CC770S because this material has DZR properties (dezinfication resistant brass).
Maintenance instructions
Occasionally or after assembly and system leakage testing, the mesh sieve has to be cleaned by unscrewing the
plug and replacing or cleaning the sieve. In order to prevent the medium outflow from the system when cleaning, it is
recommended to build in a closing element (ball valve) before and after the strainer.
Disposal instruction
The disposal of HERZ water strainer DZR must not endanger the health or the enviroment. National legal regulations for
proper disposal of the HERZ water strainer DZR have to be followed.
Components
1.Plug
2.Plug Seal
3.Housing
4.Mesh
HERZ Armaturen Ges.m.b.H
Richard-Strauss-Strasse 22,1230 Vienna, Austria,
Datasheet for 2662, Issue 0120
Labels on Water Strainer DZR
Pressure-flow diagram
Diagram pressure-flow
3,1 6,3 10,4 16,5 27,4 36,7
100
10
∆p [kPa]
1 2 3 4 5 6
1
0,1
100 1000 10000 100000
mv[kg/h] water
All specifica ons and informa on within this document are reflecting the informa on available at the me of going to print and meant for informa onal purpose only. Herz Armaturen
reserves the right to modify and change products as well as its technical specifica ons and/or it func on according to technological progress and requirements. All diagrams are
indica ve in nature and do not to be complete. It is understood that all images of Herz products are symbolic representa ons and therefore may visually differ from the actual product.
Colours may differ due to prin ng technology used. In case of any further ques ons don’t hesitate to contact your closest HERZ Branch-Office. 31
HERZ Armaturen Ges.m.b.H
Richard-Strauss-Strasse 22,1230 Vienna, Austria,
