Watts S1110-AS Manuale Utente
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Valutato. / 5. Basato su recensioni clienti
8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com
01/05
R
Stainless Series
s110-10 link
Specifications
The Modulating Float Control Valve shall be a pilot operated diaphragm valve designed to maintain a constant
liquid level in a tank or reservoir. It shall throttle open on a lowering liquid level and throttle closed upon
a rising liquid level. The valve shall also act as a Solenoid (On-Off) Control Valve, opening to allow level
control action or closing drip-tight as commanded by the solenoid pilot.
The main valve shall be a hydraulically operated, single diaphragm actuated, globe or angle pattern valve.
Y-pattern valves shall not be permitted. The valve shall contain a disc and diaphragm assembly that forms
a sealed chamber below the valve cover, separating operating pressure from line pressure. The diaphragm
shall be constructed of nylon reinforced Buna-N, and shall not seal directly against the valve seat and shall
be fully supported by the valve body and cover. Rolling diaphragm construction will not be allowed and there
shall be no pistons operating the main valve or any pilot controls.
The main valve body shall be fabricated 304L with Class D zinc plated steel flanges, utilizing stainless
steel seal welds allowing the entire flow path to be stainless steel. External steel components shall be fully
primed and painted with a stainless steel paint to prevent surface corrosion. The valve cover and all internal
components shall be fabricated 304L Stainless Steel, and the main valve trim and throttling components
(cover bearing, valve seat and disc guide) shall be Stainless Steel.
The disc and diaphragm assembly shall contain a Buna-N synthetic rubber disc with a rectangular cross-
section that is securely retained on 3-1/2 sides by a disc retainer and disc guide. Diaphragm assemblies
utilizing bolts or cap screws for component retention will not be permitted.
The exposed portion of the seat disc shall contact the valve seat and seal drip-tight. The disc and diaphragm
assembly must be guided by two separate bearings, one installed in the valve cover and one concentrically
located within the valve seat, to avoid deflection and assure positive disc-to-seat contact. Center guided
valves will not be permitted. All necessary repairs shall be made from the top of the valve while the body
remains in line.
Pilot control systems for valves 3” and smaller shall contain a Flow Clean Strainer, Adjustable Closing Speed
Control, 2-Way Solenoid and Modulating Float Pilot. Pilot control systems for valves 4” and larger shall
contain an external Y-Strainer, Adjustable Closing Speed Control, 2-Way Solenoid, Modulating Float Pilot
and Isolation Ball Valves on all body connections. All pilot control systems shall utilize copper tubing and
brass fittings regardless of valve size.
The valve shall be Watts ACV Model S110-AS / S6110-AS (Globe) or S1110-AS / S61110-AS (Angle) pattern
Modulating Float Control Valve with Solenoid (On-Off) Feature.
S110-AS or S6110-AS (Globe)
S1110-AS or S61110-AS (Angle)
MODULATING FLOAT VALVE with
SOLENOID (On-Off) FEATURE
1
Sommario
Pagina 1 - Stainless Series
8550 Hansen Road • Houston, Texas 77075 • (Ph) 713.943.0688 • (Fx) 713.944.9445 • www.wattsacv.com01/05RStainless Seriess110-10 link S
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