Murphy Dump Valves DV Series User's Manual
Contents
1. Specifications Dimensions Operating Temperature hn a pvasorss pve7siss pv2t00ss__ A 6 340171 6 340171 634071 Valve Operating Pressure B 7 9 64 181 7 9 64 181 7 59 64 201 30 70 psi 207 483 kPa 2 07 4 83 bar 2000 psi 13 7 MPa 137 bar nr anr nero Stem Seal Carbon Graphite Filled PTFE G veNnpT veNPT 18BNPT_ Upper Case Coating Electroless Nickel Plated NOTE Dimensions are in inches and millimeters on 12L14 Carbon Steel Body Material DV850 DV875 and DV2100 _ A Electroless Nickel Plated 12L14 Carbon Steel DV850SS DV875SS and DV2100SS ANSI 316 UNS31600 Stainless Steel Wetted Parts Body 12L14 Carbon Steel Optional ANSI 316 stainless steel Shaft Stem ANSI 316 stainless steel Guidebushing ANSI 316 stainless steel Body Seat ANSI 316 stainless steel Piston Seal ANSI 316 stainless steel G Pressure Inlet Port Positive Seal Detail Dump Valve Operation gt As condensate rises in the scrubber the float on the Murphy L1200NDVOR rises and trips its pneumatic valve The valve opens allowing pres sure to enter the dump valve pilot chamber Once the pressure enters the pilot chamber it forces the diaphragm and valve stem forward thus opening the valve seat and releasing condensate through the valve stem and out the drain a pop up button indicates valve open closed As the condensate level drops the L1200NDVOR pneumatic valve clos2. MFR Sitiuirph i DV 98110B Revised 11 99 Catalog Section 15 00 02 0325 Dump Valves Description The DV850 DV875 and DV2100 are pneumati cally controlled dump valves They open and close automatically by pneumatic control from a Murphy L1200NDVOR or similar level con troller and dump valve operator Diaphragm actuated the DV series dump valves operate at 30 70 psi 207 483 kPa 2 07 4 83 bar and up to 2000 psi 13 7 MPa 137 bar vessel pressure See Operating Pressures chart Murphy offers stainless steel versions of the DV850 DV875 and DV2100 Series NOTE All stainless steel versions carry Canadian Registration Number OC1476 2 Operating Pressures Operating vs Vessel Pressure 70 ao O 0 a O ol o o o o A A A o DV850 875 o Minimum Control Pressure PSIG gt N oa 0 500 1000 1500 2000 Vessel Pressure PSIG Application Primarily designed for compressor scrubbers these valves can be used to dump any liquids compatible with the valve s specifications DV Series E For Separators Scrubbers to 2000 psi 13 7 MPa 137 bar Vessel Pressure m Unique Positive Seal Field Replaceable Piston Seal and Body Seat Assembly DV875 E Operates on 30 70 psi 207 483 kPa Laten PST 2 07 4 83 bar Control Pressure E Built In Valve Open Closed Pop Up Indicator Button m Compatible with Murphy Level Controls
3. E Union Trips i Minimum control pressure 30 psi 207 kPa 2 07 bar ee OHA E a 1 MURPHY NU MATIC ike Dump Valve DV850 Ball Valve DV875 or DV2100 j a m Union mit 5 Cendensate Out Replacement Parts Specify model number 55000219 Diaphragm Assembly all models DV850 i ee gee oe oi 55000224 Seat Kit piston seal amp body seat DV850SS 1 NPT Process Connection for DV850 DV875 DV850SS DV875SS DV875 1 NPT Process Connection cares DV875SSi 1 NPT Process Connection 25000225 Seat Kit piston seal amp body seat DV2100 2 NPT Process Connection for DV2100 DV2100SS 2 NPT Process Connection Optional Adapter Bushing 55050617 2 NPT to 1 NPT Stainless steel models carry Canadian Registration Number OC 1476 2 Shipping Dimensions Shipping Weights DV850 and DV875 9 lbs 4 kg Warranty DV2100 13 lbs 6 kg A two year limited warranty on materials and workman ship is given with this Murphy product Details are avail able on request and are packed with each unit 7x 7x Il in 178 x 178 x 279 mm In order to consistently bring you the highest quality full featured products we reserve the right to change our specifications and designs at any time FRANK W MURPHY MANUFACTURER P O Box 470248 Tulsa Oklahoma 74147 USA tel 918 627 3550 fax 918 664 6146 e mail sales fwmurphy com htto www fwmurphy com FRANK W MURPHY MFR CONTROL SYSTEMS amp SERVICES P O Box 1819
4. Rosenberg Texas 77471 USA tel 281 342 0297 fax 281 341 6006 e mail sales fwmurphy com FRANK W MURPHY LTD bA Church Rd Laverstock Salisbury SP1 1QZ U K ACREDTATON tel 44 1722 410055 fax 44 1722 410088 e mail sales fwmurphy co uk htto www fwmurphy co uk FRANK W MURPHY FRANCE n Ta T Li Since ur phy Giy OF CERTIFICATION BODIES USA ISO 9001 FM 28221 UK ISO 9002 FM 29422 MURPHY DE MEXICO S A DE C V Blvd Antonio Rocha Cordero 300 Fracci n del Aguaje San Luis Potosi S L P M xico 78384 tel 52 48 206264 fax 52 48 206336 e mail ventas murphymex com mx FRANK W MURPHY PTE LTD No 2 Tuas South Street 2 Sprintecs Bldg 02 01 02 Singapore 638042 tel 65 863 1398 fax 65 863 0208 e mail fwmsales fwmurphy com sg MURPHY SWITCH OF CALIFORNIA 41343 12th Street West Palmdale California 93551 1442 USA tel 661 272 4700 fax 661 947 7570 e mail sales murphyswitch com htto www murphyswitch com MACQUARRIE CORPORATION 1620 Hume Highway Campbellfield Vic 3061 Australia tel 61 3 9358 5555 fax 61 3 9358 5558 e mail murphy macquarrie com au tel 33 130 762626 fax 33 1 30 763989 Printed in U S A
5. es to shut off the pressure to the dump valve allowing it to close If for any reason the condensate continues to rise beyond normal dump levels model L1200 High Level Shutdown Switch operates the alarm and or shuts down the equipment The MURPHYGAGE and Filter Regulator on the L1200NDVOR help keep the control pres sure clean dry and at proper pressure levels for system activation NOTE Always use clean dry instrument quality gas SLS99 MURPHY MATIC Scrubber Systems Patent Pending Patent 3970099 Patent 3970099 Patent Pending A complete MURPHYMATIC system for auto matic level control of condensate in scrubbers shown above is available as a complete package from Murphy The SLS99A Scrubber System includes 1 DV850 Dump Valve 1 L1200NDVOR Dump Valve Operator which includes filter regulator and MURPHY GAGE 1 L1200 High Level Shutdown Switch The dump valve for the SLS99B is DV2100 The dump valve for the SLS99C is DV875 For more information contact your nearest Murphy sales representative or distributor How to Order AISI 316 Stainless Steel body Shipping Dimensions all MURPHY MATIC Air Supply Maximum 300 psi 2 07 MPa Rising Level Shutdown L1200 with snap switch Minimum control pressure 30 psi 20 70 bar 207 kPa 2 07 bar ZN p i ma Electrical Conduit L1200NDVOR Dump Valve Operator Filter Regulator with MURPHYGAGE Rising
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