Types

Safety Valves - Types
Type 670                                       Safety Valve 670.pdf
set pressure rangeseat sealing working temperature flow coefficient 100 - 1,100 bar (1,450 to 15,900 psi) metal/ metal -60 to +200°C = 0.46
Type 672                                       Safety Valve 672.pdf
set pressure rangeseat sealing working temperature flow coefficient 100 - 720 bar (1,450 to 10,400) metal/ metal -60 to +400°C = 0.46
Type 674                                       Safety Valve 674.pdf
set pressure rangeseat sealing working temperature flow coefficient 50 - 525 bar (725 to 7,600 psi) metal / PTFE -60 to +200°C = 0.28

 

High Pressure Safety Valve

Type 680                                       Safety Valve 680.pdf

for pressure from 15,900 to 58,000 psi and temperatures from -10 to +200°C

Type 651                                      Safety Valve 651.pdf

for pressure from 145 to 15,900 psi design without type-test approval

Type 609                                     Safety Valve 609.pdf

rupture disk for pressure from 3,625 to 60,900 psi acceptance of setting by TÜV, if requested

 

PDF Data Sheets: Hofer - Safety Valves

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