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Anti-pollution check valve and combined stop and check valves

combined stop and antipollution check valve, union thread, with plugged drain port

figure 145 2G

  • particularly suitable for hot water circulation systems due to very low opening pressure
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • maintenance-free spindle sealing with self-lubricating and under pressure replaceable EPDM-lip gasket
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Product Features

  • particularly suitable for hot water circulation systems due to very low opening pressure
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • maintenance-free spindle sealing with self-lubricating and under pressure replaceable EPDM-lip gasket
  • EPDM-seat gasket
  • cone rotatable, protected against water hammer
  • male union thread
  • with plugged drain port
  • with test port
  • spindle thread not in contact with medium
  • controllable check cartridge
  • wear-resistant stainless steel valve seat
  • with a black handwheel
  • free from dead spots
  • for any installation position
  • with isolating function for maintenance
  • Open position indicator

Standards & approvals

  • DVGW approval
  • SVGW approval
  • KIWA approval
  • BELGAQUA approval
  • according to accepted materials list from German environmental agency
  • up to DN 32 soundproofing certification according to DIN EN ISO 3822 Class 1
  • DIN EN 13959
  • ÜA-Reg.-Nr. R-15.2.3-21-17048, WIEN-ZERT

Technical data

  • pressure rating PN 10
  • max. operating temperature 65 °C
  • short-term peak temperature 90 °C
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Part no. DN A1 A2 D1
(mm)		 H1
(mm)		 L1
(mm)		 Zeta ∆ popening
(hpa)		 cv
(m³/h)		 kg
1452G01500 15 G 3/4 G 1/4 60 100 82 5 10 4 0.43
1452G02000 20 G 1 G 1/4 60 105 97 3.8 10 8.1 0.58
1452G02500 25 G 1 1/4 G 1/4 70 132 112 3.1 10 14.1 0.92
1452G03200 32 G 1 1/2 G 1/4 70 154 131 2.8 10 24.2 1.33
1452G04000 40 G 1 3/4 G 1/4 70 161 148 2.4 10 41 1.65
1452G05000 50 G 2 3/8 G 1/4 80 192 174 2.7 10 60.3 2.54

CAD models

Part no. DN CAD model
1452G01500 15 Show 3D data
1452G02000 20 Show 3D data
1452G02500 25 Show 3D data
1452G03200 32 Show 3D data
1452G04000 40 Show 3D data
1452G05000 50 Show 3D data

Downloads

Data sheet
File type
Product data sheet
pdf
Instructions
File type
installation and operating instructions for combined stop and antipollution check valves
pdf (0.97 MB)
Brochures
File type
Building technology valves and systems
pdf (20.57 MB)
Technical information
File type
Flow Diagram combined stop and atipollution check valve
pdf (0.09 MB)