SST throttle valve, with drain valve, union thread

figure 078 1G

  • for hydraulic balancing of hot water return systems (PWH-C)
  • wetted parts made of stainless steel
  • maintenance-free spindle gasket with self-lubricating EPDM lip gasket

Product Features

  • for hydraulic balancing of hot water return systems (PWH-C)
  • wetted parts made of stainless steel
  • maintenance-free spindle gasket with self-lubricating EPDM lip gasket
  • EPDM-seat gasket
  • male union thread
  • free from dead spots
  • with a black handwheel
  • keeps throttle pre-setting when vale is closed and opened
  • indication of pre-setting on bracket
  • with sidewise drain valve, rotatable hose connection element G 3/4
  • Open position indicator
  • wear-resistant stainless steel valve seat

Standards and Approvals

  • DVGW approval
  • SVGW approval
  • plastic parts with KTW and W 270 approval
  • according to accepted materials list from German environmental agency
  • up to DN 32 soundproofing certification according to DIN EN ISO 3822 Class 2
  • DIN EN 1213
  • ÜA-Reg.-Nr. R-15.2.3-21-17049, WIEN-ZERT

Technical data

  • pressure rating PN 16
  • max. operating temperature 110 °C
figure 078 1G
Part no. DN A1 A2 D1
(mm)
H1
(mm)
H2
(mm)
L1
(mm)
Zeta cv
(m³/h)
kg
0781G01500 15 G 3/4 G 1/4 60 100 21 70 2.3 5.9 0.65
0781G02000 20 G 1 G 1/4 60 120 21 78.5 1.6 12.5 0.82
0781G02500 25 G 1 1/4 G 1/4 70 140 23 97 1.4 21.3 1.2
0781G03200 32 G 1 1/2 G 1/4 70 165 26 110 1.1 38.7 1.6

CAD models

Part no. DN CAD model
0781G01500 15 Show 3D data
0781G02000 20 Show 3D data
0781G02500 25 Show 3D data
0781G03200 32 Show 3D data

Downloads

Data sheet
File type
Product datasheet
pdf
Brochures
File type
Brochure balancing valves
pdf (624 KB)
Technical information
File type
Spare Parts List
pdf (4.1 MB)
Flow Diagram NIRO throttle valve
pdf (41 KB)