PR
ODUCT S
PECIFIC
A
TION
Mar
ch
2005
PNEUMA
TIC
ACTU
A
TED INDUSTRIAL
V
A
LVES
SERIES:
2800
SIZES 1/2 to 2 INCHES
Precision Globe Control
V
alves
Tw
o-
W
ay a
n
d T
h
re
e-
W
ay
, R
ec
ipr
o
ca
ting
,
Br
o
n
ze
o
r St
ai
n
le
ss
Ste
el
B
o
dy
V
alve
s
fo
r Pr
o
cess a
n
d U
tili
ty
Applic
at
ion
s
Flexible Design Options
provide optimum performance and
extended reliability in a cost effective,
application specific package.
Dual Point PEEK Bearing
Stem Guiding
provides both stability and low friction,
yielding reduced hysterisis and
optimum control.
Trim
available in 316SS, 17-4 pH, Alloy 6,
PEEK, and PTFE.
Port Guided Plug
Assembly
provides stability and desired equal
percentage flow characteristic.
Lower Plug
offers easy access for inspection
and clean out.
Rugged Body
with a selection of port reductions.
2820
Two-W
ay
Single Seat
Unbalanced V
alve
Table of Contents
Body Style V
ersus Application
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Body Pressure-T
emperature Rating
. . . . . . . . . . . . . . . . . . . . . . . . .
3
Flowing Differential Pressure Limits
. . . . . . . . . . . . . . . . . . . . . . . .
3
Flow Coefficients (Cv) V
ersus T
ravel
. . . . . . . . . . . . . . . . . . . . . . . .
4
Sizing Reference and Load Sizing Calculations
. . . . . . . . . . . . . . . . .
5
Shut-Off
Δ
P Ratings
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-7
Dimensions and W
eights
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Actuators, Positioners, and Accessories
. . . . . . . . . . . . . . . . . . .
9-11
Factor
y Default Settings
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
Configurations
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13-14
Содержание Packaged Storage Water Heater Steam-to-Water System
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