Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Type 455/456 457/458 459M<br />
<strong>Safety</strong> <strong>Valve</strong>s<br />
for high operating pressures<br />
≥ PN 63/PR # 600<br />
DESIGN FEATURES<br />
• <strong>Valve</strong> body with brackets resp. ring<br />
grooves to provide fixing means to<br />
help support the valve and reduce the<br />
effect of reaction forces<br />
• Torque free adjustment of set pressure<br />
with play-free flat needle roller bearing<br />
• Bull race disc with lift aid which is<br />
detachable for ease of maintenance [5]<br />
• Discs with soft seals available up to<br />
100 bar/1450 psig<br />
• Stellited, precision machined metal<br />
sealing surfaces [6]<br />
1<br />
4<br />
7<br />
16
Change language