V178 is a gate valve with body, bonnet and most of the internal parts made of aluminum. The valve brings a higher level of safety in gas piping systems. It can be activated by a manual handwheel or pneumatic actuator. V178 valve is designed for combustive gases, pure gases and oxidizing gases.
Key advantages
Can be used with both direction
Leakage class IV-1
Pressure up to 100 bar
Oil free standard
Minimum pressure losses under medium pressure
Specifications
Operating press. range (ps) 50 bar
Operating temp. range (ts) - -20 to +60 °c
Direction of flow - Both direction
Installation Vertical - actuator up
Lackage class Taux A (acc. to EN 12266-1) or IV-1 (acc. to DIN3230 STD)
Seat diameter 050 to 0300 Mm
Material (envelope) Copper-Aluminium (CuAl)
Material (o-ring) FPM
Material (seat/guiding) PCTFE
Electrical conductivity - Copper braid between shutter and body
Production tests - Individual tests (hydraulic at 150 bars leaktightness at 110 bars)
Manual actuation Handwheel
Electrical actuation Servodrive
Pneumatic actuation Double acting actuation
Dimensions DN50 to DN300 (ISO PN100 STD flanges)
Face and finish RF (Raised Face), FF (Flat Face), Ring Type Joint (RTJ) Other on demand