Richter buttery valve have proven successful in thousands of different process.
Double action, maintenance-free and self-adjusting top and bottom stem sealing - wide variety of discs / body combinations possible
Durable due to optimum material combination PTFE lining and PFA disc
Maximum reliability due to triple sealing of the stem
Minimized operating costs
Design：
ISO/DIN
Nominal Pressure：
10 bar
Disc Lining：
PFA
Body Lining：
PTFE
Body Lining Option：
Modified PTFE
Housing Material：
EN-JS 1049 / ASTM A395
Face-to-Face ：
DIN EN 558-1 and ISO 5752 series 1, API 609 Table 1, MSS SP-67 Table 3
Flanges to ：
ISO 7005-2, type B or flanges drilled to ASME B16.5 class 150, raised face
Temperature Range：
-40 °C to +200 °C (-40 °F to 400 °F)
Certifications ：
EU Pressure Equipment Directive 2014/68/EU, German Clean Air Act (TA-Luft), SIL
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