DesignPoppet valve with diaphragm actuator
Type of actuationPneumatic
Mounting positionoptional
Type of mountingIn-line installation
Line connectionThreaded coupling G1 1/2 to DIN ISO 228
Valve function2/2
Flow directionNon-reversible
Medium pressure0 bar ... 16 bar
Type of resetMechanical spring
Type of pilotingExternally controlled
Pneumatic connectionFemale thread G1/8
Operating pressure72.5 psi ... 101.5 psi
Symbol00995582
MediumVapour Inert gases Filtered compressed air, grade of filtration 200 µm
Direction of flowAbove valve seat, for gaseous media
Control of mediumOn/off operation
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Max. viscosity600 mm²/s
Media temperature-10 °C ... 180 °C
Flow rate Kv47.4 m³/h
Outdoor applicationsWeather-protected application areas Class C1 based on IEC 60654-1
Note on materialsRoHS-compliant
LABS (PWIS) conformityVDMA24364 zone III
Material process valve housingStainless steel casting
Material number process valve housing1.4409
Material sealsNBR
Material spindle sealPTFE
Material seat sealPTFE
Product weight7275 g
ApprovalCRN
CE mark (see declaration of conformity)In accordance with EU Pressure Equipment Directive
Explosion protectionZone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX)
UKCA marking (see declaration of conformity)to UK Pressure Equipment Regulations
Certificate issuing authorityTÜV 968/V 1039.01/20
Safety Integrity Level (SIL)SIL 2
Probability of Failure per Hour (PFH)1.36E-7
Probability of Failure on Demand (PFD)0.000595
Size of drive90 mm
Stroke26 mm
Control functionClosed via reduced spring force, N/C
Position detectionVia mechanical indicator
Material drive housingStainless steel casting
Material number drive housing1.4408
Storage temperature-10 °C ... 60 °C
Degree of protectionIP65 IP67
Material piston rodHigh-alloy stainless steel
Material coverStainless steel casting