Delta SG Sight Flow Indicators

Ball check valve with FEP/PFA lining, with or without sightglass

DIN-EN: DN 15 – 250 / PN 10 – 40
ASME: NPS 1“ – 4“ / class 150

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SPEC SHEET
CERTIFICATE
Design Features

Design Characteristics

  • temperature range up to 150°C
  • Borosilikat sightglass for visual function control (Type DELTA SG)
  • with heating jacket on request
  • with FEP or PFA lining (3 mm min).

Installations instruction:
Ball riser must point upwards when valve
is horizontally installed and it must point upwards in a slanting position when valve is vertically installed.

Materials

Standard

  • Ductile cast iron ENJS 1049, ASTM Gr 60-40-18 / A395

Special materials

  • Carbon Steel 1.0619 / ASTM A216 WCB
  • Stainless steel 1.4308 / ASTM A351 CF8M
  • Unalloyed stainless steel casting (low Temp.) 1.1138 / LCC/LCB / A352

Sightglass

  • Borosilikat

Ball

  • PTFE

Lining materials

  • Body: PFA, PFA-conductive, FEP
Dimensions