BALANCED MOTOR VALVES

Transcription

1 PISTON BALANCED PRESSURE CLOSE APPLICATIONS: Pilot operated oil or water valve for separators, meters, and water knockouts where a reduced signal pressure is available, and where freezing occurs due to a higher pressure drop. FEATURES: Piston balanced single seat 0 psig minimum diaphragm pressure Standard 303 stainless valve stem Reinforced oil resistant synthetic rubber diaphragms & seats Easy to service and repair Available for pressure opening or pressure closing service CERTIFICATIONS: Canadian Registration Number (CRN): 0C NTY (Ductile) 0C NTY (Steel) SUPPLY PRESSURE: 0 to 35 psig. OPERATION TEMPERATURE: Standard F. Max. Heat Modified F. Max. CAPACITY: Refer to Table of Contents. Cf & Cv VALUES Line Size Trim Size Cf Cv 2".50" " 2.25" " 3.00" " 4.88" Stem and Seat Assembly Motor Valve Diaphragm Pressure Upstream Pressure Downstream Pressure Oil Piston Stem Cage Update image Seat E3:20.5 Issued 6/8

2 PISTON BALANCED PRESSURE CLOSE DUCTILE IRON * * 8 * 7 * * 4 3 * 2 * * 22 * 23 * * 26 * 23 * * 30 3 PART NO. ITEM QTY. DESCRIPTION 2 INCH 3 INCH 4 INCH LOCK NUT * SEAT * 7498HSN 7499HSN SEAT * HSN SEAT DISC RATIO PLUG 332DEL 333DEL GASKET * STEM CAGE O RING * 774HSN 329HSN O RING * 54HSN 55HSN 55 9 BOLT 672 x x 8 0 STEM STEM GUIDE HOUSING D 869D 3 NUT 24 x 8 24 x 0 4 BOLT 236 x 8 9 x 0 5 DIAPHRAGM * BREATHER PLUG 47 7 SPRING BONNET UPPER DIAPH. PLATE LOWER DIAPH. PLATE O RING * 07HSN 639HSN BACK UP * 49T 50T 23 2 BACK UP * CYLINDER O RING * 808HSN 802HSN O RING * 329HSN 330HSN PISTON SEAL RETAINER SS6 28 PISTON SS6 29 ORING * 265HSN 54HSN REMOVABLE SEAT 752PH 760PH 762PH BODY SCREWED ANGLE SCREWED THRU FLANGED ANGLE FLANGED THRU GROOVED ANGLE Delrin Cage available on request for 4 inch valves ANGLE VALVES AVAILABLE: THRU VALVES AVAILABLE: CAT. SIZE MOTOR OPER. MAX NO. TYPE VALVE PRES. W.P. KIT ELB 2" SCRD 250 SMA PB PC-D WO /TI RFQ ELD 2" FLGD 225 FMA PB PC-D WO /TI RFQ ELH 3" SCRD 325 SMA PB PC-D WO /TI RTS ELJ 3" FLGD 325 FMA PB PC-D WO /TI RTS ELL 3" GRVD 325 GMA PB PC-D WO /TI RTS ELN 4" FLGD 425 FMA PB PC-D WO /TI RTU To remove Piston 807, use Spanner Wrench 47SNW. To remove Pistons 859 and 863, use Spanner Wrench 859SNW. Note: Drawing depicts 2" valve. Piston design varies, install with Spanner Wrench holes on top. For dimensions refer to Table of Contents. E3:20.7 Issued 7/8 Rev. CAT. SIZE MOTOR OPER. MAX NO. TYPE VALVE PRES. W.P. KIT EYB 2" SCRD 250 SMT PB PC-D WO /TI RFQ EYD 2" FLGD 225 FMT PB PC-D WO /TI RFQ EYH 3" SCRD 325 SMT PB PC-D WO /TI RTS EYJ 3" FLGD 325 FMT PB PC-D WO /TI RTS EYN 4" FLGD 425 FMT PB PC-D WO /TI RTU *These are recommended spare parts and are stocked as repair kits. NOTE: Cage and removable hard seat is available on new valves at extra cost. Refer to Table of Contents for Cage and Hard Seats available. When ordering specify valve model, then add with removable seat. Change 2 inch Screw number

3 LIQUID CAPACITY CHARTS 300 psig Maximum W.P. Valves CAPACITY-Bbls. Water/Day, Steady Flow PRESSURE DROP ACROSS VALVE PSIG VALVE SIZE - INCHES ,500 2,400 9,500 2,50 2,00 3,400 3,450 3,400 2,600 4,50 6,450 4,600 3,000 4,800 9,000 5,800 3,350 5,350 2, ,550 4,750 7,600 30, ,00 5,800 9,300 36, ,600 6,700 0,750 42, ,400 8,200 3,50 52, ,00 9,500 5,200 60, ,700 0,600 6,950 67, ,250,600 8,600 73, ,750 2,550 20,00 79, ,200 3,400 2,450 84, ,650 4,200 22,750 90, ,050 5,000 24,000 94, ,850 6,400 26,300 04, ,550 7,750 28,400 2, ,200 8,950 30,350 20, ,800 20,00 32,200 27, ,400 2,200 33,950 34, ,950 22,200 35,600 40, ,500 23,200 37,200 47, ,000 24,50 38,700 53, ,500 25,050 40,50 58, ,950 25,950 4,550 64, ,500 27,000 43,250 7, ,050 28,050 44,900 77, ,600 29,000 46,500 83, ,00 29,950 48,000 89,950 For gravity correction, multiply the above figures by Where G is the specific gravity of the flowing liquid. NOTE: Flow rates are for steady flow conditions over a 24 hour period. Corrections should be made to deal with intermittent flow conditions. G Change Logo E3:30. Issued /3

4 CAGE & HARD SEAT NOTES: Removable seat and cage is standard in Piston Balanced Motor Valves. But is optional in Diaphragm Balanced Motor Valve. To order specify valve model, then add with removable seat. Remove Cast Iron E3:40. Issued 6/3

5 DIMENSIONS ANGLE DIMENSIONS THRU DIMENSIONS VALVE A B C D E F 2" S/FMA 6 /2 9 8 /2 4 /4 3 4 /4 3" S/FMA 8 /2 3/4 0 /4 5 /2 3 3/4 5 /2 4" FMA 8 /2 2 /2 6 /2 4 /2 6 /2 6" FMA 0 3/4 9 3/4 0 /4 5 /2 7 /6 VALVE A B C D E F 2" SMT 6 /2 0 3/8 9 7/8 2 /8 8 /2 2" FMT 6 /2 0 3/8 9 7/ " SMT 8 /2 3 5/6 9/6 2 7/8 2 3" FMT 8 /2 3 5/6 9/6 3 3/4 2 3/6 4" FMT 8 /2 4 7/8 3 3/8 4 /2 5 /8 6" FMT 0 3/4 9 3/4 5 /2 22 Change Logo E3:50. Issued /3