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BRS Technical - 1

BULLETIN 40.00-2 JULY 2005 BRS Resilient Seated Butterfly Valves >

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BRS Technical - 3

Materials of Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Valve Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5Flow Characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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BRS Technical - 5

ItemDescriptionMaterials > A1BodyCast Iron, ASTM A126 Class BDuctile Iron, ASTM A536 Grade 65-45-12 (meets AWWA C504)A2DiscBronze, ASTM B584/B763, Grade C84400Ductile Iron electroless nickel plated, ASTM A536 Grade 65-45-12 Ductile Iron with nickel edge, ASTM A536 Grade 65-45-12 (520") (meets AWWA C504) 316 stainless steel, ASTM 473, Grade CF-8M A3Shaft316 stainless steel, ASTM A276416 stainless steel, ASTM A582A4SeatXNBR - Carboxylic-Acrylonitrile-ButadieneNBR - Acrylonitrile-Butadiene CR - Chloroprene EPDM - Ethylene Propylene a Diene Terpolymer CSM - Chloro-Sulfonyl-Polyethylene EU -...

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BRS Technical - 7

ItemDescriptionMaterial > A1BodyCast Iron, ASTM A126 Class BDuctile Iron, ASTM A536, Grade 65-45-16 (meets AWWA C504)A2Disc316 stainless steel, ASTM 743, Grade CF-8MBronze, ASTM B584/B763, Grade C84400 Ductile Iron with nickel edge, ASTM A536, Grade 65-45-12(meets AWWA C504)316 stainless steel, ASTM 473, Grade CF-8M A3Shaft316 stainless steel, ASTM A276416 stainless steel, ASTM A582A4Stud18-8 stainless steel A5PackingNBR - Acrylonitrile-Butadiene PTFE A6BearingFiber reinforced PTFE A7Thrust BearingTeflon with 304 stainless steel backing A8Retaining Ring302 stainless steel A9Spring302...

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BRS Technical - 8

* Add to valve weights above if valve has bronze disc. 24" (600mm) - 35 lbs (15.9 kg), 30" (750mm) - 75 lbs (34.0 kg), 36" (900mm) - 135 lbs (61.2 kg) >

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BRS Technical - 9

Inherent Flow Characteristics Applicable Standards > ANSI B16.1 Conforms to ANSI Class 125 flange drilling, material, testing and exceeds the wall thickness. ANSI B16.5 Conforms to ANSI Class 150 flange drilling. ANSI B16.104 Exceeds Class VI shutoff requirements. AWWA Class 75B Diameter of stainless steel shaft meets AWWA Class 75B standard. AWWA Class 150B Body wall thickness exceeds the AWWA Class 150B standard for butterfly valves. AWWA C504 The welded nickel edge on the 436" cast iron disc conforms to AWWA C504. MSS SP-25 Markings and identification conform to the requirements....

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BRS Technical - 10

BRS 6, W1, CI, NBR, NBR, CI- S4 * > Valve Style Valve Size End Style Body Material Seat Material Shaft Seal Disc Material Shaft Material Actuator Code Trim Combination Valve Style Body Material Give size code as follows: Give body material code as follows: > BRS = Butterfly Rubber Seated - Includes flange seals CI = Cast IronDI = Ductile Iron Valve Size Give size code as follows: Shaft Seat > 2 = 2" (50mm) 12 = 12" (300mm) 2.5 = 2.5" (65mm) 14 = 14" (350mm) 3 = 3" (80mm) 16 = 16" (400mm) 4 = 4" (100mm) 18 = 18" (450mm)) 5 = 5" (125mm) 20 = 20" (500mm) 6 = 6" (150mm) 24 = 24" (600mm) 8 = 8"...

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BRS Technical - 11

Lever Style Size Range Order Code > 10 Position Lever 26" (50֖150mm) LT 812" (200֖300mm) LT Infinite Position Lever 26" (50֖150mm) LI Seat Side Seat Side > Standard Position 90а Position > Seat Side Seat Side Ordering Example: BRS,6,W1,CI,NBR,CI-S4*LT >

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BRS Technical - 12

PowerRac > ή double-acting and spring-return actuators feature a proven rack-and-pinion design. PowerRac > provides high torque output throughout the full stroke for accurate control. Refer to Bulletin 74.00-2 for technical details, 74.00-1 for design and construction information, and Bulletin 74.00-4 for sizing information. > DeZURIK spring-diaphragm actuators feature all steel, cast iron and stainless steel construction with no aluminum parts to corrode in caustic environments. The output shaft is supported at the top and bottom with bronze bearings that absorb side thrust and ensure...

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