106 / S106-PT / PTC Product Guide0 pages

Main Valves

Model 106-PT / 106-PTC / S106-PT / S106-PTC
Full Port, Double Chamber
Hydraulically Operated Valve
KEY FEATURES

•t Maintains positive control under all
operating pressures
•t Precise positioning
•t Internal drop check option included
on the PTC model
•t Available in globe and angle style
106-PT Globe

Product Overview
The 106-PT and 106-PTC series control valves are hydraulically operated by introducing or releasing
water from the control chambers. PT and PTC valves have two operating chambers that are divided
from each other by the diaphragm, and are separated from the flowing media by an adaptor plate.
106-PTC is an enhancement of the 106-PT and includes an internal drop check feature. This
mechanical check provides non-slam closure on reverse flow, independently of the stem position or the
pilot operation.
PT and PTC valves are usually combined with Singer Valve specific purpose pilots and accessories to
provide control for a wide range of functions: typically pump control and solenoid control applications.
Refer to Main Valve Options on page 75 and Pilots & Accessories on page 259 to further customize the
valve to suit specific applications.

Product Line Drawing
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1.t Optional Model X129 Limit Switch Assembly
2.t Double Chambers Separated From The Flowing
Media
3.t ASTM A536 Ductile Iron Construction
4.t Diaphragm Buna-N or EPDM
5.t Optional Internal Check Feature (for PT series)
6.t Buna-N or EPDM Resilient Disc
7.t AISI 316 Stainless Steel Seat
8.t AISI 316 Stainless Steel Stem
9.t NSF 61 Fusion Bonded Epoxy Coating

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