b'SLP/SW SERIESS L P / S W S E R I E SSLP/SW PART NUMBER CODESLP- Retainer Swing DesignModel SLP-T - Retainer Tilt DesignSW - Retainerless Swing DesignSW-T - Retainerless Tilt DesignA - Class 150G - BST-CB - Class 300H - BST-DClass C - Class 400I - BST-ED- Class 600J - BST-FE - Class 900K - BST-HF - Class 1500L - ASA125M- Other1 - RFEnds 2 - Smooth3 - RTJ4 - Butt WeldA - Carbon SteelB - 316 Stainless SteelBody C - 304 Stainless SteelD- Chrome Plated SteelE - Cast IronF - Ductile Iron 2 - Epoxy Coating internal/externalHIGH FLOW CAPACITY Coating 3 - Galvanized and epoxy coated4 - ENP bodyTheSLP/SWSeriesvalvesellipticalshapedinletand5 - Standard bodyoptimumdiameter,plusitsvirtuallyunobstructedopeningB - Carbon Steelcombinetoproduceasubstantiallyhigherflowcapacity(Cv) Disc K - Stainless Steel 316thanotherwafercheckvalves. L - Stainless Steel 304Seat Type 1 - Integral ResilientREDUCED WATER HAMMER 2 - Integral MetalA - Buna NThedesignoftheSLP/SWSerieswilllargelyreduceorB - VitoneliminatewaterhammerbyclosingthevalveattherightC - TeflonD- EPDMmoment(beforereverseflowoccurs). Seat Insert E - Low Temp, Buna NF - Peroxide Cured Buna N(90 Durometer)G - AflasH - Metal Seat as BodyPRESSURE DROP WITH WATER I - 316SS OverlayJ - Stellite OverlayValve Cv Min Flow to Fully Approx Pressure1 - InconelSize Open Valve Drop w/Water Spring2 - 316SSinch / mm GPM Ft/sec. PSI 3 - 304SS1/25 30 28 10.4 0.78 Hingepin A - 316SS1.5/40 38 68 10.7 2.1 B - 304SS2/50 84 46 4.4 1.7 T - Teflon2.5/65 137 76 5.1 1.4 Washer S - 316SSN - NA3/75 221 197 8.5 1.1 Z - Special4/100 373 157 4 1.4Body Type1 - Wafer5/125 679 352 5.6 1.1 2 - Lugged3 - Flanged6/150 931 367 4.1 1.58/200 1440 428 2.7 1.6 Acc. See Table10/250 2623 837 3.4 1.112/300 3531 1229 3.5 1.2 X X X X X X X X X X X X X X X14/350 3226 1180 2.7 2 SPECIAL APPLICATION ACCESSORIES16/400 3911 1447 2.5 2.618/450 5799 3376 4.8 1.7 A0EternalSpring20/500 7769 6500 6.3 1.5 A1ExternalSpring&Weight24/600 10105 8321 5.9 1.6 A2LimitSwitchA3BackflushLeverandEternalSpring28/700 14100 9250 5.3 1.5 A4ExternalPositionIndicator30/750 18041 10303 5.1 0.9 A5BackflushLever32/800 20900 12150 5.0 1.4 A6EmergencyShut-off,FusibleLink36/900 25675 15850 5.2 2 A7DualBalancedWeights40/1000 39340 25310 6.1 2.4 A8ExternalWeight42/1050 47914 31304 7.5 2.7 A9ExternalCompressionSpring48/1200 44983 33095 5.9 1.6 B1ExternalCompressionSpringandWeightB2ExternalSpring,Weight,HydraulicDamper54/1350 63000 45000 6 .9 B3ExternalCompressionSpring,Weight&HydraulicDamper60/1500 70500 62800 6.2 1.1-OtherFullopenstableminimumvelocityandtheefficiencycalculatedatanormalvelocityof10f/sec.34 SUPERCHECK - Check Valves - Wafer Style'