Keystone Butterfly Valves Figure AR1/AR2

1 Features and Benefits Triple function resilient seat helpsprovide bi-directional drop-tight shut-off, designed to totally isolate the valve body and stem from the line media. Molded-in O-ring seat design serves as flange seals, eliminating the need for gaskets between the flanges andthe valve. Unique dovetail seat retention designallows for convenient and economical field replacement. Superior one-piece through shaftdesign provides high strength andpositive disc control. Internal shaft seal is designed toprevent external media from enteringvalve and it also adjusts for pressureand shaft rotation. Heavy-duty, corrosion resistant topbushing delivers upper stem support,absorbs actuator side-loading andextends valve cycle life.

2 Polished disc edge helps ensureoptimal performance and maximumseat life. Stainless steel torque plug (2" to 12"), disc screws (14" to 20") and taper pins (24" to 36") provide positive leak-proof connections while allowing forquick and easy disassembly. One-piece body with extended neck allows clearance for flanges and insulation. Each valve is factory-tested to 110 percent of the manufacturer s pressure ApplicationIdeally suited for many high performance applications, such as fire protection, water treatment,cooling systems, food and beverage and bulk product handling. Consult yoursales representative for appropriatematerials and specific DataSize Range: Figure AR1 (wafer style) 2" to 36" Figure AR2 (lugged style) 2" to 24"Flange Standard: ANSI Class 125/150(Consult your sales representative for additionaldrilling standards.)

3 Keystone Butterfly Valves Figure AR1/AR2 General Purpose ValveCopyright 2014 Pentair. All rights reserved. KEYMC-0025-US-1001 Resilient seated Butterfly Valves AR1 (wafer) (2" to 36"), 2" to 12", to 175 psiAR2 (lug) (2" to 24"), 14" to 36", to 150 psiKeystone Butterfly Valves Figure AR1/AR2 General Purpose ValveCopyright 2014 Pentair. All rights reserved. KEYMC-00252 Materials PartStandard MaterialMaterial SpecificationOptional Material1 BodyCast ironASTM A-126, Class BCarbon steelDuctile ironASTM A-395 GR 60/40/18 Stainless steel2 DiscDuctile ironASTM A-536 GR 65/45/12 Aluminum bronzeASTM B-148, UNS C95200 Grade A316 Stainless steelASTM A-743, CF8M3 Stem316 Stainless steel (2" to 12")ASTM A-276 UNS S3160018-8 Stainless steel (14" to 20")ASTM A-276 UNS S3040017-4 PH Stainless steel (24" to 36")ASTM A-564 UNS S17400 Phosphate treated steel(2" to 20")ASTM A-108 UNS G104504 SeatNBR food grade (0 F to 212 F)Fluoroelastomer (FKM)EPDM food grade (-40 F to 250 F)White NBR5 Upper stem bushingPolyester (2" to 20")

4 Bronze (24" to 36")6 Stem packingNBR7 Torque plug (2" to 12")316 Stainless steelASTM A-276 UNS S31600 condition ADisc screws (14" to 20")316 Stainless steelASTM F-593 Group 2 condition CW1 Taper pins (24" to 36")17-4 PH Stainless steelASTM A564 UNS S17400 H10758 Bearings (2" to 12")Sintered metal356187248 Parts and MaterialsKeystone Butterfly Valves Figure AR1/AR2 General Purpose ValveCopyright 2014 Pentair. All rights reserved. KEYMC-00253ED45 HFigure AR2 LuggedNotes:1. H Dimension refers to flat on Q dimension is the minimum allowable pipe or flange inside diameter at the centered body face to protect the disc sealing edge against damage when opening the 41/851/215/8411/49/163/813/8N/A31/447 BAB21/221/245/8613/4411/49/163/821/16N/A 31/447 BAB33 51/861/413/4411/49/163/829/16N/A31/447 BAB44 63/87 2 4 11/45/87/1635/8N/A31/447 BAC55 73/871/221/84 11/43/41/243/4N/A31/447 BAD653/481/28 21/84 11/43/41/251/2N/A31/447 BAD873/41011/1691/221/26 11/47/85/871/2N/A549 CAE1093/413103/421/26 211/8N/A919/321/4x 1/4549 CAF12113/41413/16121/43 6 211/8N/A119/161/4x 1/4549 CAF14131/4163/4123 6

5 313/8N/A131/85/16x 5/16549 CAG16151/4191/41261/644 63 15/8N/A153/8x 3/8549 CAH18171/4211/2141/241/4841/417/8N/A167/ 81/2x 3/861/2413 DAJ20191/4233/4157/85 841/417/8N/A183/41/2x 3/861/2413 DAJ24231/4281/4191/2515/16841/417/8N/A22 5/81/2x 3/861/2413 DAJ30291/4345/82369/16841/421/4N/A2811/1 61/2x 3/861/2413 DAK36 351/4411/4273/477/8851/427/8N/A341/23/4x 1/261/2413/161, DAVF igure AR1 Wafer22 41/851/215/8411/49/163/813/8N/A31/447/16 43/445/8- 11 BAB21/221/245/8613/4411/49/163/821/16N/A 31/447/1651/245/8- 11 UNC BAB33 53/1661/413/4411/49/163/829/16N/A31/447/ 16645/8- 11 UNC BAB44 63/87 2 411/45/87/1635/8N/A31/447/1671/285/8- 11 UNC BAC55 73/871/221/8411/43/41/243/4N/A31/447/168 1/283/4- 10 UNC BAD653/481/2821/8411/43/41/251/2N/A31/44 7/1691/283/4- 10 UNC BAD873/41011/1691/221/2611/47/85/871/2N/ A5 49/16113/483/4- 10 UNC CAE10 93/413103/421/262 11/8N/A 919/321/4x 1/45 49/16141/4127/8- 9 UNC CAF12 113/41413/16121/43 62 11/8N/A 119/161/4x 1/4549/1617127/8- 9 UNC CAF14

6 131/4163/4123 63 13/8N/A 131/85/16x 5/16549/16183/4121 - 8 NC CAG16 151/4191261/644 63 15/8N/A 153/8x 3/8549/16211/4161 - 8 NC CAH18 171/4213/8141/241/4841/417/8N/A 167/81/2x 3/861/2413/16223/416 11/8- 7 NC DAJ20 191/4231/2157/85 841/417/8N/A 183/41/2x 3/861/2413/162520 11/8- 7 NC DAJ24 231/4281/4191/2515/16841/417/8N/A 225/81/2x 3/861/2413/16291/220 11/4- 7 NC DAJF igure AR1 Dimensions (inches)Top Plate DrillingBolt No. Hole Weight A B C D EF G H QKey Circle Holes Dia. (lbs) CodeFigure AR2 Dimensions (inches)Top Plate DrillingTapped Lug DataBolt No. Hole Bolt AB CDEFGH QKey Circle Holes Dia.

7 Circle Holes Tap(lbs) Code45 EDHRate of flow through a valve dependsupon the pressure drop. The mostcommon method of presenting thisinformation is by Cv. The Cvis the valve coefficient of flow and representsthe flow of water in gallons per minute(GPM) with a 1 psi pressure dropthrough the valve. The higher the Cv, the greater the flow and the better thecontrol characteristics. Throttlingcharacteristics are shown in the samemanner with Cv s at the various discopenings. See Table 1 for tabulated Cv sfor the Figure AR1/AR2 Butterfly Butterfly Valves Figure AR1/AR2 General Purpose ValveCopyright 2014 Pentair. All rights reserved. KEYMC-00254 Table 1 CvChart (Water @ 70 F, Specific Gravity = )ValveDisc position (Degrees Open)

8 Size 20304050607080902" " " "15481071963184635896475"329920636257983 2104511416"471452955108101160145015808"8 4239450751119017542385289210"13336065210 64168325243596459312"1925098991449228834 705085668214"34077014002200340056007900 1000016"4401000180028004500740010800 1300018"5701300230036005800960015000 1800020"7101600290046007200 1200018400 2200024" 1000230040006400 10000 1650025900 3000030" 1500360062009900 16000 2600042500 4700036" 260052009100 15000 23000 3800065000 70000 Torque is the rotary effort required tooperate a valve. This turning force in a Butterfly valve is determined by threefactors the friction of the disc and seatdue to interference for sealing, bearingfriction, and fluid dynamic torque at 70 FBreakaway torque is the total of thetorques resulting from bearing frictionand disc /seat interference friction at agiven pressure differential.

9 See Table 2for torques to open and close the valveat pressures shown in wet services withminimum operating frequency of one per week (normal conditions).Note: These values are valid for water andlubricating fluids only at 70 F. Since torques aregreatly increased for dry and nonlubricatingfluids and temperature variations, contact yourKeystone representative for accurate values inTathese 2 Seating and Unseating TorquesCategory 2 (Normal Conditions)ValveSize 50100150 1752" "2772842912643"3303403503554"50051953954 95"6877247617796"95310061059 10868"161017201830 188510"252127512963 307412"341837374055 421414"514759956842 16"680881169424 18"8810 10720 12630 20" 11172 13845 16517 24" 13372 16994 20616 30" 22074 29148 36222 36" 33224 45448 57672 Valve SizingTorque Data