Steriflow Mark 978INLINE Series - Manual (Page 3)

M
ark
978 S
anitary
G
lobe
-S
tyle
C
ontrol
V
alVeS
- J
orlon
D
iaphraGM
S
eal
m
ark
978e J
orlon
D
iaphragm
s
eal
(1/2" - 1" a
ngle style
; 1" i
nline
s
tyle
)
Corrosion resistant coating
with SST fasteners
Namur yoke permits
easy mounting of a
variety of positioners
Extended PEEK guide bushings
ensures smooth, stable move-
ment throughout entire stroke
length
FDA/USP Class VI Jorlon diaphragm
resistant to aggressive chemicals,
suitable for continuous steam service;
Lifetime Warranty
Contoured plug and orifice design to
provide true equal percentage or linear
flow characteristic for improved turndown
Solid 316L barstock construction offers
excellent chemical resistance, ensures
consistent material integrity and surface
finish
Bolted bonnet provides
enhanced strength and
safety over clamped bonnet
Corrosion resistant SST
yoke assembly suitable for
washdown
FDA/USP Class VI
secondary stem seal
Optimal flow inlet geometry for true
flow characteristics.
s
peciFication
Stainless steel sanitary control valve shall be made from ASTM A479 316L barstock material, which includes
body and all wetted metal parts. Control valve with the stem sealed by FDA approved and USP Class VI certi-
fied Jorlon diaphragm with lifetime warranty. The valve stem shall be supported by a one piece, SS NAMUR
Yoke with two extended PEEK TM Guide bushings to provide structural rigidity and true guiding in any installation
orientation. Guiding of valve stem/plug shall be outside of the wetted process areas of valve above diaphragm.
Control valve shall have secondary stem seal, and extended guide bushing to provide additional support for
multiple installation orientations. Valve shall be self draining in any orientation.
NEW Bi-direction flow capability.
Valve can be installed with inlet on side
or bottom. Self draining when valve is
installed with inlet on side
and valve in upright
position as shown.
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