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HomeMy WebLinkAboutTab 4 - John Guest Valves Tag No. HV-1070, HV-1054 Polypropylene Shut-Off Valve The PPSV Range of Shut-Off Valve is offered for tube sizes 1/2" O.D. and 3/8" O.D., produced in polypropylene and fitted with EPDM O-rings. Polypropylene has the advantage of being more chemically resistant than acetal. The valves are for use with potable water. For use with other potable liquids please .� contact our Technical Support Department for guidance. The valves are not to be used with compressed air, explosive gases, petroleum spirits and other fuels or for heating systems. Working Pressures and Temperatures Water Max. 150 psi at 70°F (Max.10 bar at 20°C) Max. 60 psi at 140°F (Max.4 bar at 60°C) Min. 33°F/1°C Detailed technical information is shown on page 21. SPEEDFIT TO MALE NPTF THREAD SPEEDFIT TO SPEEDFIT SPEEDFIT TO FEMALE NPTF THREAD r � PART NO. TUBE THREAD PART NO. TUBE PART NO. TUBE THREAD OD NPTF OD OD NPTF PPSVO10822W 1/4 x 1/4 PPSVO40808W 1/4 PPSV500822W 1/4 x 1/4 PPSV011223W 3/8 x 3/8 IPPSVO41212W 3/8 PPSV501222W 3/8 x 1/4 Acetal Shut-Off Valve °I - The PISV Range of Inch-size Shut-Off Valves is available in 3/8" tube O.D. size. The Valve is manufactured in gray acetal copolymer with a nitrile O-ring. The valves are available with long and short handles to operate a 1/4 turn off action. Specifically designed for compressed air and potable liquids, the valves are ideal for CO,lines in beverage dispensing and for pneumatic applications. _ -r It is the customer's responsibility to ensure that the installation of John Guest fittings in COz applications is performed in accordance with the relevant industry and government safety guidelines. Working Pressures and Temperatures Air 150 psi at -4°F (10 bar at-20°C) Air/Potable Liquids Max. 150 psi at 33°F (10 bar at 1°C) Max. 150 psi at 73°F (10 bar at 23°C) Max. 100 psi at 150°F (7 bar at 65°C) Detailed technical information is shown on page 21. MOUNTING CLIP SHUT-OFF VALVE SHORT HANDLE SHUT-OFF VALVE LONG HANDLE PART NO. !1► SVMG10 PART NO. TUBE PART NO. TUBE OD OD The mounting clip is designed to give a very firm grip. A twisting action is needed to remove the PISVO412CS 3/8 PISVO412S 3/8 valve.The clip can be used with either shut-off valve. PISVO416S 1/2 When used with the short handle version,valves can be banked together. Available for 3/8"O.D.valves. John Guest' How Super Speedfit Works Materials of construction To make a connection, the tube Super Speedfit fittings are made up of three components: is simply pushed in by hand; the Bodies are produced in an acetal copolymer or polypropylene. unique patented John Guest collet O-rings are nitrile rubber or EPDM. locking system then holds the tube Collets are produced in acetal copolymer or polypropylene firmly in place without deforming it or with stainless steel teeth. restricting flow. Grips before it seals O-ring provides a The Collet (gripper) has leakproof seal stainless steel teeth which hold the tube firmly in position while the 0-ring provides a per- manent leakproof seal. How to make a connection Cut the tube square Collet Cut the tube square and remove burrs and sharp edges. Ensure that the outside diameter is free of score marks. For soft or thin-walled plastic tubing we recommend Stainless steel teeth the use of a tube insert. grip the pipe To disconnect Push up to tube stop Push in collet and remove tube (— Push the tube into the fitting, to the tube stop. To disconnect, ensure that the system is Pull to check secure depressurized, push the collet square against the fitting. With the collet held in this position x the tube can be removed. 7xul Pull on the tube to check it is secure. Test the system before use. Technical Specifications Installation and System Testing that is or appears to be leaking should be replaced. Fittings and tube should be kept clean and Product life is affected by the severity of the applica- Working Pressure and undamaged before use. tion,the hostility of the working environment and con- Temperature Range for Acetal All tube and fittings installations must be pressure tact with aggressive chemicals or liquids.It is there- tested 9 fore important that specific replacement intervals be Fittings (PI, SI, SM and PM). tested after installation to ensure system integrity considered by specifiers/users/customers based on before handing over to the final user.Refer to"How previous service life or when failure could result in Super Speed HO fittings are suitable for the follow- to make a connection"on inside front cover. unacceptable downtime,damage or injury risk. ing pressures and temperatures. Chemicals Cleaners and Sanitizing of Temp. Pressure For use with chemicals or other potentially Acetal Fittings 5/32"-5/16" 3/8".1/2" aggressive liquids, please refer to our Chemical 4mm-8mm 10mm-22mm Compatibility Chart shown on page 22 and 23,or Our advice to customers is to use cleaners and san- contact our Technical Support Department. itizing agents that are above pH4 and low in Air Super SpeedN fittings are not recommended for hypochlorite level. Acetal fittings and parts that are -4°F 230 psi 150 psi use with explosive gases, petroleum spirits, and cleaned and/or sanitized should be rinsed immedi- 20°C (16 Bar) (10 Bar) other fuels or for central heating systems. ately with copious amounts of clean, neutral tap water to remove all traces of the cleaners.Details of Potable Liquids and Air Collet Covers which products are made from acetal are shown in +33°F 230 psi 150 psi Are available as additional security against removal of our catalog but generally John Guest products incor- +1°C (16 Bar) (10 Bar) the tube or to provide a simple means of color cod- porating acetal are designated by the part number ing. The cover is offered in a range of six colors. prefix PI,PM,Cl,CM and RM.Polypropylene fittings +7TF 230 psi 150 psi Please see page 15 of this catalog. offer greater resistance to aggressive chemicals than 16 Bar+23°C ( ) (10 Bar) u acetal fittings.Polypropylene does not have the same +158°F 150 psi 100 psi Food Quality mechanical properties as acetal and John Guest +70°C (10 Bar) (7 Bar) All the fittings in this catalog are produced in Food polypropylene fittings are generally designated by the and Drug Administration (FDA) approved materials part number prefix PP,PPSV and PPASV. Also suitable for vacuum and are therefore recommended for food quality Our material suppliers recommend ECOLAB Oasis For Polypropylene Working Pressure and applications. 133 as a suitable external cleaner for acetal products manufactured by John Guest. Temperature Range,please refer to page 2. The wetted surfaces of John Guest PI,PM,SI,Cl,PP and NC plastic fittings, PPSV and PISV Valves,and Responsibility of Use Depending on the tube used,under certain condi- PE Tubing are in compliance with FDA requirements tions fittings may be used at higher pressures and for direct contact with food as detailed in 21 CFR part While we give a warranty against defects in manufac- temperatures.Please refer to our Technical Support 177.2470 for the body and 177.2600 for the O-ring. ture or materials, it is the responsibility of the Department for guidance.Note 1 Bar=14.5 PSIG. user/installer to ensure that fittings and related prod- Maximum Torque Values ucts are suitable for their application.The installation Tube Types for Plastic Threads BSP, must be carried out correctly in accordance with our recommendations,complying with recognized codes Plastic Tube-Polyethylene,nylon and polyurethane BSPT & NPT. of practice and relevant national standards, and be conforming to the tolerances shown below. For soft maintained. Please refer to our terms and tubing or thin wall tube we recommend the use of Do not overtighten plastic threaded fittings as this properly tube inserts. could cause undue stress and eventual failure. conditions of sale. Braided Tube-Use of Tube to Hose Stems listed on Maximum recommended torque figures are shown product Selection page 6 is essential when using braided tube or hose. below. and Installation The use of clamps to retain braided tube on barbs is Threads recommended. John Guest fittings and related products are specifi- Metal Tube(soft)-Brass,copper or mild steel con- 1/8" 1/4" 3/8" 1/2" 1 3/4" cally designed and manufactured by John Guest to forming to the tolerances below. Maximum 1.Oft Ibs 2.2ft Ibs 2.9ft Ibs the Technical Specifications set out in the John Guest Metal Tube (hard) - We do not recommend Super Torque 1.5Nm 3.ONm 4.ONm Product Catalog.All John Guest fittings and related Speedfit fittings for hard metal or chrome plated tubes. products should be selected, installed, used and John Guest recommends that OEM customers con- maintained in accordance with these Technical For stainless steel and other polished metal tubes we sider replacing threaded ports with the more modern Specifications.It is the customer's/user's responsibil- recommend the use of Superseal fittings.These are Cartridge Systems. ity to ensure that John Guest fittings and related shown on pages 10 and 11 of this catalog. It is recommended that all installations are checked products are suitable for their intended applications, It is essential that outside diameters be free from prior to use to determine that a seal has been made. and are properly installed and maintained and are score marks and that the tube be deburred before The maximum torque figures quoted for use with used in accordance with the Technical Specifications. Inserting the fitting. Speedfit fittings are dependent on the mating thread It is also the customer's/user's responsibility to pro- Tube Tolerances conforming to the relevent U.S., British or vide its customers with any relevant technical infor- International thread standard. mation about John Guest products it supplies them. Super Speedfff•fittings are offered for tubes with The company has a policy of continuous research and outside diameters to the following tolerances. Maintenance and Replacement development and reserves the right to amend without Intervals notice the specification and design of all products Size(inches) 5/32-3/16 1/4-1/2 illustrated in this catalog. John Guest reserves the John Guest products generally require little mainte- right to change the color and shape of products. Tolerance(inches) +0.001 1 0.003 +0.001!-0.004 nance but as a minimum we recommend routine visu- g g p p Photographs are for illustration purposes only. Size(mm) 4mm-5mm 6mm-22mm al inspection. Frequency of visual inspection will Subject to our Terms and Conditions of Sale shown depend on severity of application and risk of failure.If Tolerance(mm) +0.05/ 0.07 +0.05/ 0.10 after visual inspection John Guest products appear on page 24. damaged,cracked,charred,discolored,heat distort- John Guest USA, Inc. is not responsible for mis- ed or corroded,they should be replaced.Any product prints or typographical errors.