Ball valves

Series 7/ 8 Trunnion Mounted Ball

Series 7/ 8 trunnion mounted ball

Default firesafe design and NACE versions available.

Features

  • Cast body with ISO 5211 top plate for direct mounting
  • Double seal combination of O-rings and fire safe spiral wound gasket for perfect body joint sealing
  • O-ring stem sealing with (2) pre-energized graphite seals for emission control
  • SPE x SPE seats as standard (DBB). DPE x DPE seats (DIB-1) and SPE x DPE seats (DIB-2) available
  • Primary soft seal and a secondary metal seat for fire safe design
  • Anti-blowout proof stem design
  • Fully machined body bore provides less resistance to flow hence increasing flow

Technical data

Body Type Flanged (RF, RTJ), Buttweld
Body CS, SS, Duplex SS
Ball CS + ENP, CF8M, CF3M, Duplex SS
Stem 410 SS, 316 SS, 304 SS, XM-19, Duplex SS
Seat RTFE, PEEK, Devlon, Nylon, Viton
Seat Seal HNBR, FKM
Size Range

Series 7 - 2" to 14“ (DN 50 to 350)

Series 8 - 16” to 24” (DN 400 to 600)

Pressure Rating

Class 150 - 1500 Full and Reduced Bores

Design Standard

API 6D, ASME B16.34

Testing Standard

API 6D, API 598, ISO 5208

Our Solutions, in the various industrial sectors

Over the years, Hydroservice has developed projects aimed at solving problems in the field of hydraulics.
Take a look at the Business Units in which we operate, and discover all the achievements and projects.

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