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All sales subject to standard terms and conditions of sale.
I&M009-10207-03/13 Rev. 05/13
Installation and Maintenance Instructions for
DDS-Series High Static Operating Pressure
IWD Range Differential Pressure Switches
PRESSURE ADJUSTMENT NUT
TERMINALS
COMMON
NORMALLY OPEN
NORMALLY CLOSED
ONE
“1”
SPDT
TANDEM
“2”
DPDT
5.52
5.52
7.00
4 MTG. FEET
9/32 HOLES
PRESSURE
ADJ. NUT
A
C
B
B
1/4 NPT PR.PORT LOW
1/4 NPT PR.PORT HIGH
3/4 NPT
CONDUIT
OUTLET
NEMA Rating Static Pressure A B C D
4 250 psi 5.97 3.82 0.75 1.43
7 250 psi 6.19 3.82 0.75 1.43
4 1500 psi 6.57 4.41 1.13 1.53
7 1500 psi 6.78 4.41 1.13 1.53
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