Ashcroft DDS Series DP Switch Manuel d'utilisateur télécharger pdf (Page 2)

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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

7.00

4 MTG. FEET

9/32 HOLES

PRESSURE

ADJ. NUT

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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Ashcroft DDS Series DP Switch Manuel d'utilisateur Page 2