供应西门子空气放大器 61H

Siemens?Booster Relays - 61H and 61VH西门子继动器
常见型号：
Models 61H?? Models 61L?? Models 61F? Models 61FE?? Models 61VH


61VH?is a High-Capacity Booster Relay designed for use on control valve actuators that require very fast stroking speeds
Both 61H and 61VH feature a stabilizing bypass needle valve between the input and output, which eliminates the need for an externally piped bypass.
Epoxy powder coating provides excellent corrosion resistance

Input pressure acting upon the effective area of the upper diaphragm, produces a force that is opposed by the output pressure exerted upon the effective area of the lower diaphragm.? The opposing forces are in a direct 1:1 ratio.