This manual provides installation, maintenance, and parts information for Fisher EWD, EWS and EWT valves ranging from 4×2 to 12×8 inches.
The Fisher EW valve guidance manual covers the full range of EWD, EWS and EWT ball valves. It includes product descriptions, technical specifications, installation procedures, maintenance steps, and detailed parts ordering information.
Safety warnings, recommended protective equipment, and guidelines for handling high‑temperature and high‑pressure applications are emphasized throughout the document. The manual also describes optional sealing options such as C‑seal, ENVIRO‑SEAL, and HIGH‑SEAL systems. This manual is written in Chinese.
| Size range | 4×2 to 12×8 inches |
|---|---|
| Connection type (flanged) | ANSI 300/600/900 grades |
| Maximum inlet pressure (C‑seal internals) | up to 1500 psi |
| Operating temperature range | -29 °C to 427 °C |
The manual covers EWD, EWS and EWT valves from 4×2 inches up to 12×8 inches.
WhisperFlo valve internals are rated up to 1500 psi pressure drop.