antipollution check valve, with plugged drain port, union thread

figure 158 1G

  • 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
  • male union thread

Product datasheet PDF

Show planning data on pdod.de

Downloads
figure 158 1G
figure 158 1G
figure 158 1G
figure 158 1G
figure 158 1G

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
  • male union thread
  • with plugged drain port
  • with test port
  • controllable check cartridge
  • free from dead spots
  • for any installation position

Standards and Approvals

  • DVGW approval
  • ÖVGW approval
  • SVGW approval
  • KIWA approval
  • BELGAQUA approval
  • plastic parts with KTW and W 270 approval
  • according to DVGW worksheet W 570
  • 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
figure 158 1G
Part no. DN A1 A2 BS
(mm) 		H1
(mm) 		L1
(mm) 		Zeta ∆ popening
(hpa) 		HS
(mm) 		cv
(m³/h) 		LS
(mm) 		kg
1581G01500 15 G 3/4 G 1/4 27 24 70 4.3 10 37 4.3 70 0.19
1581G02000 20 G 1 G 1/4 34 27 80 3.2 10 44 8.9 80 0.27
1581G02500 25 G 1 1/4 G 1/4 42 32.5 82 2.7 10 54 15 82 0.42
1581G03200 32 G 1 1/2 G 1/4 48 36 87 2.7 10 60 24.8 87 0.47
1581G04000 40 G 1 3/4 G 1/4 54 40.5 95 1.5 10 67 51 95 0.63
1581G05000 50 G 2 3/8 G 1/4 70 47.5 115 2.4 10 82 63.9 115 1.03

CAD models

Part no. DN CAD model
1581G01500 15 Show 3D data
1581G02000 20 Show 3D data
1581G02500 25 Show 3D data
1581G03200 32 Show 3D data
1581G04000 40 Show 3D data
1581G05000 50 Show 3D data

Planning data

Show planning data on pdod.de

Downloads

Data sheet
File type
Product datasheet
pdf
Brochures
File type
Building technology valves and systems
pdf (20.6 MB)
Technical information
File type
Flow Diagramantipollution check valve type EA
pdf (94 KB)