206 / S206-PT / PTC Product Guide0 pages
Main Valves
Model 206-PT / 206-PTC / S206-PT / S206-PTC
Reduced Port, Double Chamber
Hydraulically Operated Valve
Key Features
•t Positive control, even with low
operating pressure
•t Precise positioning
•t Internal drop check included on the
PTC model
•t Available in globe and angle style
206-PT Globe
Product Overview
The 206-PT and 206-PTC series control valves are hydraulically operated by introducing or releasing
water from the control chambers. PT and PTC valves have two operating chambers which are divided
from each other by the diaphragm, and are separated from the flowing media by an adaptor plate.
206-PTC is an enhancement of the 206-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
1
2
3
4
5
6
7
8
44
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 Optional Internal Check Feature (PT)
5.t Buna-N or EPDM Resilient Disc
6.t AISI 316 Stainless Steel Seat
7.t AISI 316 Stainless Steel Stem
8.t NSF 61 Fusion Bonded Epoxy Coating
2013.1
"