Spears CPVC Instrucciones De Instalación

CPVC Orange Swing Check
Valve Installation Instructions
additional considerations related to valve installations. Plastic piping systems
must be engineered, installed, operated and maintained in accordance with
accepted standards and procedures for plastic piping systems. It is absolutely
necessary that all design, installation, operation and maintenance personnel
be trained in proper handling, installation requirements and precautions for
installation and use of plastic piping systems before starting.
Swing Check Valves are designed for horizontal installations, but may be
installed in up-fl ow only vertical applications.
Check valves must be installed with the valve fl ow arrows pointing in the
direction of fl ow. Do not install upside down. A minimum of 10 pipe diameters
should be maintained from any pump or turbulent source.
INSTALLATION INSTRUCTIONS
Prepare connecting pipe as required for solvent cement or
STEP 1
thread connections.
Support valve body to hold its weight. Make sure valve is
STEP 2
positioned as indicated "This Side Up" with proper flow direction. Attach
one end connector of valve according to Solvent Cementing or Threading
Procedures on the following pages.
Repeat Step 1 to attach opposite end connector of valve to
STEP 3
pipe, making sure valve is aligned with pipe.
Pressure test system only after all solvent cement joints
STEP 4
have fully cured. Flanged connections may require additional tightening
after initial pressure testing.
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CSCV-3A-0705
Read all applicable instructions and
procedures thoroughly before starting.
Suitability of the intended service
application must be determined prior
to installation. Please review "Material
Considerations in Application and
System Design", in the Materials section
of Spears ® THERMOPLASTIC VALVE
PRODUCT GUIDE & ENGINEERING
SPECIFICATIONS, V-4, for important
SOLVENT CEMENT WELDED JOINTS
Use Spears UL approved FS-5 One-Step Solvent Cement. This
® ®
cement requires no primer. For best results, installation must be made
at temperatures between 40°F and 110°F. All joint components must be
inspected for any breaking, chipping, gouging or other visible damage
before proceeding. All pipe, fi ttings and valves must be removed from their
packaging or containers and exposed to the installation environment for
a minimum of one hour in order to thermally balance all components. All
joining components must be clean and dry.
TAKE EXTRA CARE THAT NO SOLVENT CEMENT IS ALLOWED TO
COME IN CONTACT WITH INTERNAL VALVE COMPONENTS.
Pipe Preparation - Prepare connecting pipes as required.
STEP 1
Pipe ends must be cut square at 90° using a wheel type cutter or a saw and
miter box. Regardless of the cutting method used, burrs will be created,
which must be removed. All pipe ends should be beveled at 10° to 15°. A
deburring tool is recommended, however a file may be used in its place as
shown above.
Clean Joint Components - Wipe away all loose dirt and
STEP 2
moisture from the pipe O.D. and fitting I.D. with a clean, dry cotton cloth.
DO NOT ATTEMPT TO JOIN WET SURFACES.
Check Dry Joint Interference Fit - An interference between
STEP 3
pipe and valve socket is necessary for proper fusion of the joint. To
check, lightly insert pipe into fitting socket. DO NOT FORCE. Interference
between pipe and valve must occur between ½ of the socket depth (full
interference fit) and the socket bottom (net fit). Do not use components
which improperly mate.
Apply Spears FS-5 One-Step Solvent Cement - Using a
®
STEP 4
brush or applicator size no less than ½ the pipe diameter, apply a liberal
coat of solvent cement to the pipe surface, then apply a light to medium
coat to the valve socket. If a "net fit" was experienced during dry fit check
(Step 3), apply an additional coat again to the pipe surface. BE SURE TO
USE A VERY LIBERAL AMOUNT OF SOLVENT CEMENT ON PIPE.
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