General Description
These valves allow free flow in one
direction in the line in which the check
valve element(s) is (are) located; flow in
the opposite direction is not possible.
Direct Check Valves
DGMDC-3-4*
Typical Section
Functional Symbols
PTBA
DGMDC-3-X-A*
DGMDC-3-Y-A*
DGMDC-3-X-B*
DGMDC-3-Y-B*
DGMDC-3-Y-P*
DGMDC-3-X-T*
DGMDC-3-Y-A*-B*
PTBA
PTBA
PTBA
PTBA
PTBA
PTBA
Model Code for Direct Check Valves
DGMDC-3- * (- * * )-4*
1
3 4 5 6
Direction of flow
X = Free flow away from actuator
Y = Free flow towards actuator
Check location
A = A line
B = B line
P = P line; with Y in
T = T line; with X in
Check valve opening/cracking
pressure
K = 1 bar (14.5 psi)
M = 2,5 bar (36 psi)
N = 5 bar (72 psi)
Check location (second element
of dual model)
Only available as model type
DGMDC-3-Y-A*-B*-4*
B = B line
Check valve opening/cracking
pressure (second function of dual
model)
Options as in
Design number, 40 series
Subject to change. Installation
dimensions unchanged for design
numbers 40 to 49 inclusive.
2
3
4
5
-* *
21
1
1
3
6
13
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