User guide
-5-
JSB SerieS Bio-Pharma GaS Back PreSSure reGulatinG ValVe
Flow conFiGurations
outlet inlet outlet inlet outlet inlet outlet inlet
outlet gage inlet gage
inlet gage outlet gage
* Gage ports are 1/4" FNPT (consult factory for required alternative)
A B D E
Dimensions, in. (mm)
3.31
(84,1)
0.615 (15,6)
5.21 (132,2)*
sample speciFications
Stainless Steel back pressure regulator shall be made from ASTM A479 barstock material, which
includes body and all wetted metal parts, and shall have SF5, 20 Ra μin (0,5 Ra μm) electropol-
ish nish as standard. Regulator shall be fully drainable out the inlet and outlet when installed with
spring housing 90° to ground. Regulator shall be activated by an FDA approved, USP Class VI certi-
ed Jorlon diaphragm, stem shall be completely guided above the wet so as not to generate metal
particulate. Regulator shall be free of exposed threads and any cracks or crevices within wetted
process area. Regulator shall have trim that can be replaced inline by simply unthreading the bonnet
and replacing the one piece, diaphragm and trim set. Trim set must be either FDA and USP Class
VI approved Teon, or PEEK.
* Add 0.75" (19,1) for
easy removal