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Robertshaw Regulator Valve Options

 
 
 

Style A

Single-seated, unbalanced, quick opening

Sizes direct acting 1/4 in. through 1 in.,

reverse acting 1/4 in. through 1-1/2 in.

Bronze body, stainless steel trim

PFD Datasheet

Style FA

Double-seated, semi-balanced,

quick-opening

Sizes 2-1/2 in. through 4 in. direct acting,

3/4 in. through 4 in. reverse acting

PFD Datasheet

Style CSS

Single-seated, unbalanced direct or

reverse acting, stainless steel

body and trim

Sizes 1/2 in., 3/4 in. or 1 in.

PDF Datasheet

Style MAS

Sizes 3/4 in. through 2 in.

Steel body, stainless steel trim

Fully balanced

Class IV shut-off

Teflon packing

PFD Datasheet

Style MA

Double-seated, semi-balanced,

quick-opening

Sizes 2-1/2 in. through 4 in. direct

acting, 3/4 in. through 4 in. reverse acting

PDF Datasheet

Style WA

Three-way, unbalanced

Sizes 1/2 in. through 1-1/2 in.

Bronze body, stainless steel trim

PFD Datasheet

Style MASS

Sizes 1-1/2 in. to 2 in.

Stainless steel body and trim

Fully balanced

Class IV shut-off

Teflon packing

PFD Datasheet

Style WD

Balanced sleeve, three-way type

Sizes 2 in. through 6 in.

BZ body and trim

PFD Datasheet

Style WCSS

Sizes 1/2 in., 3/4 in., 1 in.

All stainless steel construction

(three-way version of CSS Valve)

Quick disconnect stem

PFD Datasheet

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