The Type 1131 is utilized for
applications where migration of the process media is not
permissible. The Type 1131 uses a rolling diaphragm
design to separate the high and low-pressure ports to
isolate the media and can see up to 3000 psi static
pressures. Body materials are available in Aluminum,
Brass and Stainless Steel, with Buna, Viton or EPDM
(1) Not for use with incompatable media.
(2) Other wetted parts include stainless
steel, Teflon and ceramic.
(3) Not to be used with water or