Ball Check

Product Sheets-2011 Check(co) 12B21.indd

Geoflow, Inc. Tel 415-927-6000 / 800-828-3388 Fax 415-927-0120 www.geoflow.com

DescriptionThe Ball Check valves prevent backfl ow or drain down inthe system. The true union provides easy access for inlineinstallation and servicing. The true union ball check isdesigned for quick positive sealing with minimum turbulence,low restriction, and efficient fluid transfer. It can be installedvertically or horizontally. System pressure will unseat the ball,allowing flow. Backflow or head pressure of 30” or 1 to 2psi will seat the ball and stop back fl ow. Each check valveships with female thread and socket adapters. This valve ismanufactured 100% from thermolastic materials, making is less suseptable to corrosion.

Look for the

Genuine Geoflow

stamp of quality

Model No.

Inlet/Outlet

(FPT or socket)

Length(inches)

Height(inches)

MaxTemp

(F)

Weight(lbs.)

CV-B-05 0.5” 3.50” 2.00” 140 ° 0.75CV-B-10 1.0” 5.09” 2.31” 140 ° 1.1CV-B-15 1.5” 6.59” 3.81” 140 ° 2.2CV-B-20 2.0” 7.53” 4.22” 140 ° 3.0

Specification All thermoplastic check valves shall be True Union Ball type constructed from PVC Type I Cell Classifi cation 12454. Socket end connections are manufactured to ASTM D2467-94. Threaded connections are manufactured to ASTM D2464-88.The O-Ring seat shall be Viton®. All valve components shall be replaceable. The check valve shall be pressure rated at 235 psi, non-shock water at 73° F. The ball check valve shall be Geoflow part number CV-B-X.

Geoflow, Inc. Tel 415-927-6000 / 800-828-3388 Fax 415-927-0120 www.geoflow.com

INSTALLATION, OPERATION & MAINTENANCE

Systems should always be depressurized and drained prior to installing or maintaining your True Union Ball Check Valves.Temperature effect on piping systems should always be considered when the systems are initially designed. Piping systems must be designed and supported to prevent excess mechanical loading on valve equipment due to system misalignment, weight, shock, vibration, and the effects of thermal expansion and contraction. Because PVC and CPVC plastic products become brittle below 40ºF, Geoflow recommends caution in their installation and use below this temperature. Due to differential thermal expansion rates between metal and plastic, transmittal of pipe vibration, and pipe loading forces DIRECT INSTALLATION OF METAL PIPE INTO PLASTIC CONNECTIONS IS NOT RECOMMENDED. Wherever installation of plastic valves into metal piping systems is necessary, it is recommended that at least 10 pipe diameter in length of plastic pipe be installed upstream and downstream of the plastic valve to compensate for the factors mentioned above.

SOCKET CONNECTION: Socket end connections are manufactured to ASTM D2467 (PVC) and F-439 (CPVC). Solvent cementing of socket end connections to pipe should be performed per ASTM specifications D2855-87. Cut pipe square. Chamfer and deburr pipe. Surfaces must be cleaned and free of moisture, oil, dirt and other foreign material. Remove Union-nuts and end connectors from valve body. Slide Union-nuts, with threads facing valve, onto pipe to which the end connector is to be cemented. Apply primer to inside socket surface of end connector. Never allow primer or cement to contact valve ball or end connector o-ring sealing surfaces, as leaking may result. Use a scrubbing motion. Repeat applications may be necessary to soften the surface of the socket. Next, liberally apply primer to the male end of the pipe to the length of the socket depth. Again apply to the socket, and without delay apply cement to the pipe while the surface is still wet with primer. Next apply cement lightly, but uniformly to the inside of the socket. Apply a second coat of cement to the pipe, and assemble end connector to the pipe, rotating the end connector 1/4 turn in one direction as it is slipped to full depth on to the pipe. The end connector should be held in position for approx. 30 seconds to allow the connection to “set”. After assembly wipe off excess cement. Follow cement manufacturers guidelines for proper “cure-time”, based on the pipe size that you are joining.

THREADED CONNECTION: Threaded end connections are manufactured to ASTM specifications D2464. F437 and ANSI B1.20.1. Due to the variable quality and tolerances of plastic male threaded nipples, Colonial no longer recommends the use of PTFE (Teflon®) tape. We recommend using the following thread sealant: IPS WELD-ON All Seal™. To provide a leak proof joint, the pipe should be threaded into the end connection “hand tight”. A strap wrench may be used to tighten the joint an additional 1/2 turn past hand tight. Tightening beyond this point may induce excessive stress that could cause failure.

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Spring Check

Product Sheets-2011 SpringCheck(co) 12D21.indd

Geoflow, Inc. Tel 415-927-6000 / 800-828-3388 Fax 415-927-0120 www.geoflow.com

Look for the

Genuine Geoflow

stamp of quality

Model No.

Inlet/Outlet

(FPT or socket)

Length(inches)

Height(inches)

MaxTemp

(F)

CV-S-05 0.5” 4.13” 2.22” 140 °CV-S-10 1.0” 5.25” 2.88” 140 ° CV-S-15 1.5” 5.9” 3.89” 140 ° CV-S-20 2.0” 7.0” 4.29” 140 °

Spring Check Valve DescriptionThe spring check valve is used to prevent backflow and siphoning. The ½ pound stainless steel spring maintains a positive seal, even when no back pressure is present. Minimum of 2 psi required to open the valve.

Spring Check SpecificationsThermoplastic Spring check valves shall be constructed from PVC Type 1, cell class 12454 material conforming to ASTM D-1784. Seals shall be EPDM. Valves shall have socket end connections for solvent weld. All Spring check valves shall be pressure rated at 150 psi at 73 degrees F. All spring check valves shall require 2 psi to open.

Spring Check InstallationConnection - FIPT slip connections. Install in a box for easy access. It is recommended that these check valves be installed no closer than 10 pipe diameters from a pump and no closer than 5 pipe diameters from an elbow

CheckValveBall12B21CheckValveSpring12D21