V5013B,C,F Three-Way Mixing and Diverting Valves

Transcription

1 V50,C,F Three-Way Mixing and Diverting Valves FETURES PRODUCT DT Mixing or diverting models. ronze body with threaded connections or cast iron body with flanged-end connections. Stainless steel stem and replaceable seats. Spring-loaded, self-adjusting packing. Constant total flow throughout full stem travel. Linear flow characteristic for each port, providing constant total flow control of water or glycol solutions (up to 50% concentration). Suitable for pneumatic or electric/electronic actuation. Repacking kits available for field servicing. PPLICTION The V50 is a three-way valve for control of hot water, cold water, and glycol solutions (up to 50% concentration) in heating or cooling applications. These valves are used in two-position or modulating control systems. They can be used for mixing service (V50 and F) to direct flow from one of two inlets to a common outlet or for diverting service (V50C) to direct flow from a common inlet to one of two outlets. Mixing and diverting valves are not interchangeable. Contents pplication... Features... Specifications... Ordering Information... Installation... 4 Operation... 6 Checkout... 6 U.S. Registered Trademark Copyright 998 Honeywell Inc. ll Rights Reserved

2 V50,C,F THREE-WY MIXING ND DIVERTING VLVES SPECIFICTIONS Models: See Table. Dimensions: See Fig. and and Table. Flow Characteristics: Linear, constant total flow throughout full plug travel. Valve Pressure-Temperature Ratings: See Fig.. Close-Off Ratings: Dependent on actuator (see Valve Selection Guide, form ). Maximum Pressure Differential (for Normal Plug and Seat Life): Two-position service: 50 psi (45 kpa). Modulating service: 5 psi (7 kpa). Quiet Water service: 0 psi (8 kpa). Stem Travel: /- to -in. Valves: /4 in. (9 mm). 4-, 5-, and 6-in. Valves: -/ in. (8 mm). Materials: ody: Threaded Valves: ronze. Flanged Valves: Cast iron. Stem: Stainless steel. Packing: V50 &C: Teflon cone for NSI Class 5 flanged valves. V50F: Rubber or teflon/rubber for NSI Class 50 threaded valves. Disc and Plug: V50, C: ronze-skirted plug. V50F: Linear contour plug, one piece brass construction for metal-to-metal seating. Seat: V50: ronze, removable cage type. V50F: Integral brass. ccessories: ctuator ssemblies: See the Valve Selection Guide, form Repack Kits: TRDELINE Kit for / in., /4 in., in. and -/4 in. threaded V50,F Valves For -/ in., in. threaded V50,F and -/ in. and in. flanged V50,C Valves For 4 in., 5 in., and 6 in. flanged V50,C Valves Valve onnet Extension Kit. Further separates the actuator from the valve body for hightemperature applications. ORDERING INFORMTION When purchasing replacement and modernization products from your TRDELINE wholesaler or distributor, refer to the TRDELINE Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:. Your local Home and uilding Control Sales Office (check white pages of your phone directory).. Home and uilding Control Customer Logistics Honeywell Inc., 885 Douglas Drive North Minneapolis, Minnesota (6) In Canada Honeywell Limited/Honeywell Limitée, 55 Gordon aker Road, North York, Ontario MH N7. International Sales and Service Offices in all principal cities of the world. Manufacturing in ustralia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S

3 V50,C,F THREE-WY MIXING ND DIVERTING VLVES Table. Model Descriptions and ody Specifications. Model Straight-through Flow End Connections NSI ody Class ody Size (in.) Capacity Index (Cv) V50F Mixing Stem Down Threaded Female NPT 50 /.5, 4.0 / /4 6 -/ 5 40 V50 Mixing Stem Down Flanged 5 -/ 6 00 V50C Diverting Stem Up ONNET E -/ INCHES (89 MM) WITH STEM DOWN D F CTUTOR SE C G VLVE SIZE IN MM -/ ONNET SIZE IN. MM -/8 5-7/8 48 NUMER OF OLT HOLES C7959 Fig.. V50,C Flanged ody Dimensions. 4 8 C -/8 IN. (5 MM) ONNET SIZE C796 Fig.. V50F Threaded ody Dimensions. Table. V50,C,F pproximate Dimensions in Inches (Millimeters). Model V50,C Fig. V50F Fig. Size in Inches C D E F G -/ / /4 -/4 -/ 4-/ (4) 5-/4 () 5-7/8 (49) 6-/4 (59) 7-/4 (84) -/4 (44) -/4 (44) -7/8 (48) (5) -/8 (60) -5/8 (67) 6-7/7 (64) 6-5/8 (68) 8-/6 () 9-5/8 (44) 0-/6 (7) -5/8 (67) -/ (64) -5/8 (67) -5/8 (67) -/4 (70) -/8 (79) 9-/ (4) (79) (0) 5 (8) 6-/ (49) -/ (89) -/8 (86) -7/8 (98) 4-/4 (08) 4-/4 () 5-7/8 (49) -/ (64) (76) 4 (0) 5 (7) 6 (5) / 4 (9) / 4 (9) / 4 (9) 7/8 () 7/8 () 5-/ (40) 6 (5) 7-/ (9) 8-/ (6) 9-/ (4) 7 (78) 7-/ (9) 9 (9) 0 (54) (79)

4 V50,C,F THREE-WY MIXING ND DIVERTING VLVES INSTLLTION When Installing this Product. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition.. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application.. Installer must be a trained, experienced service technician. 4. fter installation is complete, check out product operation as provided in these instructions. IMPORTNT Install the valve so the fluid flows in the direction of the arrow cast on the body. Mount the valve with the operator motor shaft horizontal. Location In selecting a location, the following must be considered.. Make sure sufficient space has been provided for the complete valve assembly. The actuator assembly fits over the valve stem.. The actuator assembly should not be mounted below the valve where moisture or dirt may accumulate. The ambient temperature must not exceed the maximum limits for the valve or motor. Controlled liquid-pressure must not exceed the maximum pressure limits of the valve. FLUID PRESSURE PSI (kpa) 60 (7) 40 (655) 0 (57) 00 (79) 80 (4) 60 (0) 40 (965) 0 (87) 00 (689) 80 (55) 60 (44) 40 (6) 0 (8) 0 50 (0) 75 (4) 00 (8) 5 (5) 50 (66) V50F V50 & C 75 (79) 00 (9) 5 (07) 50 () FLUID TEMPERTURE F( C) (INCLUDES ODY ND PCKING LIMITTIONS) 7(PSI) Fig.. Valve pressure-temperature ratings. 75 (5) M (49) Piping Hookups ll piping must comply with local codes and ordinances. Refer to Fig. 4-8 for typical piping hookups. RETURN M757 COIL YPSS PULL PUMP PUMP V50F OR SUPPLY OILER Fig. 4. Typical V50F or mixing valve with constant volume through coil. MIXED DISCHRGE WTER TO HET LOD V50F OR OILER YPSS PUMP M758 Fig. 5. Single zone bypass for reset control. RETURN PUMP TO HET LOD V50C CHILLER OILER M759 Fig. 6. V50C diverting valve used to change over complete system

5 V50,C,F THREE-WY MIXING ND DIVERTING VLVES SUPPLY LINE FROM OILER OR CHILLER RETURN LINE TO OILER OR CHILLER V50C COIL M760 Fig. 7. Typical zone hookup of V50C diverting valve used to control flow through coil. FULL HET HETING COIL Valve Installation Threaded Valve bodies Line up the pipes squarely with the valve at each end. If the pipes are forced into the valve, the body may become twisted and improper seating will result. Prevent pipe chips, scale, and dirt from entering the piping since they may lodge in the seat and prevent proper closing. pply a vise or wrench to the valve (see Fig. 9). PIPE SIZE (INCHES) / /4 -/4 -/ EFFECTIVE LENGTH OF THREDS (INCHES) [MILLIMETERS] / [.7] 9/6 [4.] /6 [7.5] /6 [7.5] /6 [7.5] /4 [9.] 5 GPM 5 GL./MIN. PROPORTIONED HET.5 GPM.5 GPM USE PROPERLY REMED ND CLENED PIPE ND MODERTE MOUNT OF DOPE (LEVE TWO THREDS RE). VISE GRIPS HEX END NEXT TO PIPE (DO NOT TWIST OR SQUEEZE VLVE ODY). SUPPLY MIN RETURN MIN 5 GPM VISE HOLDS PIPE SECURELY GINST TURNING ND PRLLED JW WRENCH GRIPS VLVE HEX FLTS NEXT TO PIPE. M76 NO HET Fig. 9. Mounting of threaded valve bodies. 5 GPM NO FLOW THROUGH COIL C Flanged Valve odies The valve flanges are flat faced with a smooth finish. Companion flanges must be of the same specifications. Mounting bolts must be long enough to allow nuts to utilize the full length of the nut threads. 5 GPM M76 Fig. 8. Three-way mixing valve operationcoil bypass. Three-way valves maintain constant flow in the piping. s the temperature requirements change, the volume of the fluid in the coil varies. The bolts should be approximately /8 in. ( mm) smaller than the diameter of the bolt hole to allow clearance for installing. To prevent leakage, use a gasket material recommended for the medium to be handled

6 V50,C,F THREE-WY MIXING ND DIVERTING VLVES DO NOT PPLY PIPE DOPE TO VLVE FLNGE, COMPNION FLNGE OR GSKET. E SURE FCE OF COMPNION FLNGE IS FLUSH WITH FCE OF VLVE-ODY FLNGE ND LIGNED SQURELY EFORE TIGHTENING MOUNTING NUTS. IF POSSILE, MOUNT COMPNION FLNGE ON PIPE EFORE MOUNTING FLNGE ON THE VLVE. M764 Fig. 0. Mounting of flanged valve bodies. Valves mixing valve receives input flow at two ports, and discharges the mixed flow at the third port. diverting valve receives input flow at one port, and diverts the flow to one of two output ports. IMPORTNT V50 Valves should not be piped backwards. pplications The terms diverting application and mixing application do not always clearly define the appropriate V50. The proper V50 depends on the valve piping. One example of this is the coil bypass application (see Fig. 7 and 8). diverting valve installed upstream of the coil determines the flow through the coil (see Fig. 7). This is functionally the same as a mixing valve installed downstream of the coil directing water from either the coil or the bypass to the return piping (see Fig. 8). lmost all new installations can use a V50,F Mixing Valve, given an appropriate mixing valve piping arrangement. NOTE: For V50F and, if the pressures in the pipe lines at inlets and are unequal, a balancing cock may be installed in the line carrying the higher pressure. est possible modulation will be obtained if this cock is adjusted under actual operating conditions so that pressures and are equal at midstroke. OPERTION Mixing and Diverting It is important to understand the differences between mixing valves (V50,F) and diverting valves (V50C). When applied to valves, the terms mixing and diverting do not always carry the same connotation as when applied to applications. Namely, a mixing application does not always use a mixing valve. The type of valve used is dependent upon the piping of the application. CHECKOUT It is important to check the valve stem to see that it operates freely. Impaired valve stem operation may indicate that the body was twisted by faulty piping or the stem was bent by rough handling. Either of these conditions may warrant replacement of the valve body or other components. The valve should be checked at regular intervals for leakage around the packing. The packing is spring-loaded and should seldom require attention. If leakage is discovered and inspection shows that the packing gland is screwed down tightly, the valve must be repacked

7 V50,C,F THREE-WY MIXING ND DIVERTING VLVES V50F OR USED IN V50C USED IN C HETING PPLICTION HETING PPLICTION V50C USED S SYSTEM UTO CHNGEOVER TO CONTROLLER TO CONTROLLER TO CONTROLLER TO RETURN LINE OUT IN FROM COIL SUPPLY IN OUT TO COIL RETURN LINE FROM LOD IN OUT OUT IN OUT TO OILER SUPPLY LINE FROM HOT WTER OILER TO COIL YPSS TO CHILLER M76 LSO PIPED TO COIL INLET. Fig.. V50,C,F valve hookups

8 V50,C,F THREE-WY MIXING ND DIVERTING VLVES Home and uilding Control Honeywell Inc. Honeywell Plaza P.O. ox 54 Minneapolis MN Honeywell Latin merican Region 480 Sawgrass Corporate Parkway Suite 00 Sunrise FL 5 Home and uilding Control Honeywell Limited-Honeywell Limitée 55 Gordon aker Road North York, Ontario MH N7 Honeywell Europe S.. venue du ourget 40 russels elgium Honeywell sia Pacific Inc. Room -5 Sun Hung Kai Centre No. 0 Harbour Road Wanchai Hong Kong Printed in U.S.. on recycled paper containing at least 0% Rev. -98 post-consumer 8 paper fibers.