The Vanessa valve is a quarter turn, metal seated, zero leakage* rotary process valve, a valve which has become the standard for quality, reliability and durability among process valves.
Features include
A metal seal ring in Duplex (as a minimum) and a highly wear-resistant Stellite® grade 21 seat ensure prolonged superior tightness
Integral position indicators on the shaft and the top mounting flange provide positive disc position indication
Single piece cast body, with face-to-face dimensions to ISO 5752, ASME B16.10 and API 609, guarantees interchangeability with other valve types
Blowout-proof shaft is safe to operate and provides complete compliance with API 609 thanks to its four different internal and external retaining devices
Double flanged body style also available in jacketed configuration to prevent fluid crystallization.