Type 310A
D102068X012
Instruction Manual
Form 5351
March 2010
®
This Instruction Manual provides installation,
maintenance, and parts ordering information for the
Type 310A-32A pilot-operated, pressure reducing
regulator and the Type 310A-32A-32A working monitor
regulator. Information on equipment used with this
regulator is found in separate manuals.
The Type 310A-32A pilot-operated, pressure reducing
regulator includes a single Type 32A pilot mounted
on the Type 310A main valve for pressure reducing or
wide-open monitoring applications.
Figure 1. Type 310A Regulator with Type 32A Pilot
W6278
!
The Type 310A-32A-32A working monitor regulator
includes Type 310A regulator which functions as the
rst-stage regulator in the working monitor situations
by taking the initial pressure reduction and two
Type 32A pilots which serve as the monitoring and
working pilots.
Ratings and specications for the Type 310A
congurations are listed in the Specications section
on page 2. Some specications for a specic regulator
are stamped on a nameplate attached to the pilot
spring case (key 1, Figure 9).