BrewSeal butterfly valves Wafer and lugged
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- Myles Hamilton
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1 Wafer and lugged KEYSTONE Resilient seated butterfly valves DN40-DN800 wafer and lugged versions, optimized for the food and beverage industry. Features Top bushing absorbs actuator side thrust loads. Dirtscraper prevents moisture penetrating into the shaft area. Actuator flange acc. ISO High solid, glossy, silicone free, paint system ensuring excellent corrosion resistance. Body locating holes ease installation and centering between the flanges. Sealed body splits prevent moistures from penetrating behind the seat (up to DN300). Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and bubble-tight shut-off. The seat is field replaceable and fully isolates the body and stem from the flow. Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere. A secondary shaft sealing provides back-up safety. A molded-in O-ring in the seat for flange sealing eliminates the need for gaskets. The thin disc provides the very minimum obstruction to flow (up to DN300). Relief hole drains possible fluids from the top plate recess space (up to DN300). Wafer and lugged body design, acc. ISO 5752/5 short. (DIN 3202, Part 3/K1). All valves are conform Pressure Equipment Directive (97/23/EU) Module H. Available approvals: CE Marking, FDA. Special XP-EPDM seat for specific brewery applications such as hot and cold wort. Technical data Pressure (bar) : 10 Temperature ( C) : Sizes (mm) : Flange accommodation : PN 10/16 ANSI 150 General Applications The disc and seat materials used in the BrewSeal are specifically suited for food and beverage applications including brew houses, pasteurization and filling area s. Note Valve in foreground shown with innovative composite handle and throttling plate. Emerson reserves the right to change the contents without notice EBPJV-0774-EN-1305
2 Wafer and lugged Relief hole Mounting holes acc. ISO 5211/1 U wafer U lugged PCD U wafer/ lugged Lugged version only Mounting holes Lugged version only Valve dimensions (mm) Shaft Actuator flange acc. ISO 5211/1 Key size Wafer Lugged U U width x Hole No. mass mass DN A B C Wafer Lugged D H Q YY F G h9 K R height Type E J L P PCD ø holes (kg) (kg) F , ,5 2, F , ,1 3, F , ,2 5, F , ,6 5, F , ,2 8, F , ,6 11, F , ,5 13, F , ,0 22, F , ,5 33, F , ,0 51, ,0 10 x 8 F ,0 12 x 8 F ,0 12 x 8 F ,5 14 x 9 F * 50* - 44,5* 14 x 9* F ,5 20 x12 F ,5 20 x12 F ,5 20 x12 F Flange accommodation must be specified when ordering. 2. Q is the disc chordal dimension at face of valve for disc clearance into pipe fitting or equipment. 3. Specify size, figure number, part name, material and flange accommodation when ordering spare parts. 4. Valve sizes shown are the DN100 and DN Mass shown is for valve with a composite discstem about 3% up to 20% lower, depending on size and wafer- or lugged type. Emerson reserves the right to change the contents without notice page 2
3 Wafer and lugged DN350 - DN800 (wafer and lugged) Dimensions of flange locating holes (in mm) PN 10 PN 16 Size T U V X T U V X 700 M27 M M30 M M30 M T = thread type, U = full thread + V, X = max. bore depth. 2. All holes in lugged version are through threaded, except the holes closest to top and bottom shaft DN40 - DN300 (wafer version is shown) DN350 - DN800 (lugged version is shown) Part name 1. Dirtscraper 6. Disc 11. O-ring 2. Shaft bushing 7. Split seal 12. Plug 3. Body 8. Body screws 13. Circlip 4. Shaft 9. Disc screw 14. Key 5. Seat 10. O-ring Note For other actuators and selection, please contact your local sales outlet. Actuator selection Actuator type Figure Remark Suitable for Handle F419 Leverlock Composite leverlock DN40 - DN150 Gear F455 CM or WM DN40 - DN800 Pneumatic PremiAir - DN40 - DN800 Electric EPI-2 - DN40 - DN600 Emerson reserves the right to change the contents without notice page 3
4 Valve data for wafer and lugged versions K v values Disc- DN opening ,5 47, ,6 0,9 2,4 5,0 9,2 14,8 22, ,8 5,9 11,1 20,4 37,6 66, ,2 14,3 26,2 47,4 84, ,1 28,3 49,7 87, ,5 51,6 87, ,2 88, , , Rated K v = the volume of water in m 3 /hr that will pass through a given valve opening at a pressure drop of 1 bar. 2. K v = Q R.D. ( liquid) Δp Q = flow through valve (m 3 /hr) R.D. = relative density of liquid (water = 1) Dynamic torque factor F T for metric units Disc- DN opening ,1 0,1 0,2 0,5 0,9 1,8 3,0 7,2 14,1 24,3 21,4 32,0 45,6 62,5 108,0 171,5 210,9 256,0 30 0,1 0,3 0,6 1,1 2,1 4,1 7,1 16,8 32,8 56,7 64,3 96,0 136,7 187,5 324,0 514,5 632,8 768,0 40 0,3 0,5 1,1 2,1 4,1 8,0 13,8 32,8 64,1 110,7 124,3 185,6 264,3 362,5 626,4 994, , ,8 50 0,4 0,9 1,9 3,6 7,0 13,7 23,6 56,0 109,4 189,0 235,8 352,0 501,2 687, , , , ,0 60 0,8 1,5 3,3 6,1 12,0 23,4 40,5 96,0 187,5 324,0 415,9 620,8 883, , , , , ,4 70 1,3 2,5 5,5 10,2 20,0 39,1 67,5 160,0 312,5 540,0 733, , , , , , , ,2 80 2,0 3,9 8,5 15,9 31,0 60,5 104,6 248,0 484,4 837, , , , , , , , , Dynamic operating torque formula: T D = F T x ΔP T D = Dynamic torque (Nm) ΔP = Pressure drop across disc at desired disc-opening (bar) F T = Dynamic torque factor (see table) 2. The above mentioned dynamic torque includes all frictional resistances. 3. The dynamic torque is tending to close the disc. 4. ΔP to be determined with K v formula. Maximum allowable shaft torques in Nm W.Nr. DN * * for Composite disc 1. In ISO 5211/2 a table is listed representing the maximum torques which can be transmitted through the actuator flange. These values are based upon specific criteria and can be lower than the maximum allowable shaft torques. In this case the criteria can be changed in order to reach the maximum allowable shaft torques. Emerson reserves the right to change the contents without notice page 4
5 Valve data for wafer and lugged versions Sizing torques in Nm ΔP DN in bar Application I 3, Application II 3, Application III 3, Application I : Water. Temp.: 0-80 C; Valve opens at least once a month. Application II : All other liquid applications and lubricating gasses. Application III : Non-lubricating and dry media. 2. The charted maximum sizing operating torque is the sum of all friction and resistance for opening and closing of the disc against the indicated pressure differential. 3. The effect of dynamic torque is not considered in tabulation. 4. In sizing operators it is not necessary to include safety-factors. * For limited shaft material selection only. Material specification Part name Material EN designation. EN/DIN Mat. No. Remarks Body Cast iron GJL-250 EN JS 1040 Pressure max. 10 bar Stainless steel GX5CrNiMo Comparable with CF8M Disc Stainless steel GX5CrNiMo Comparable with CF8M Stainless steel mirror polished GX5CrNiMo Comparable with CF8M Stainless steel GX5CrNiMo DN350 - DN800 Stainless steel pickled and passivated GX5CrNiMo DN350 - DN800 Composite Engineered Composite DN40 - DN300 Shaft Stainless steel (cast) GX5CrNiMo DN40 - DN300 Stainless steel X 17 CrNi DN40 - DN600 Stainless steel X 35 Cr Mo DN700 - DN800 Seat XP EPDM FDA approved PTFE / EPDM Upon request Body screw Stainless steel A2 Disc screw Stainless steel X 2 CrNiMoN DN350 - DN800 Bushing Polyacetal Plug Carbon steel C DN350 - DN800 O-Ring plug NBR DN350 - DN800 Circlip Spring steel According DIN 472, DN350 - DN800 Dirt scraper NBR/Steel Key Steel According DIN 6885, DN350 - DN800 Split seal Graphite Note Please refer to the OptiSeal documentation for safety, installation and maintenance instructions. Emerson reserves the right to change the contents without notice page 5
6 Valve data for wafer and lugged versions Pressure-Temperature Diagram (DN40-DN300) Seat Disc Body Size range Valve function Temperature in C material material material DN (mm) Wafer/End of Line Trim XP EPDM Stainless steel CI W / EOL 10 Bar / 6 Bar 850* Stainless steel MP CI W / EOL 10 Bar / 6 Bar 851* Stainless steel SS W / EOL 10 Bar / 6 Bar 435* Stainless steel MP SS W / EOL 10 Bar / 6 Bar 436* Composite CI W / EOL 10 Bar / 6 Bar 440 * DN300 6 Bar / 6 Bar MP = mirror polished Pressure-Temperature Diagram (DN350-DN900) Seat Disc Body Size range Valve function Temperature in C material material material DN (mm) Wafer/End of Line Trim XP EPDM Stainless steel CI W / EOL 10 Bar / 6 Bar 730 Stainless steel PP CI W / EOL 10 Bar / 6 Bar 731 PP = pickled & passivated Trim Body Seat Disc Shaft Trim number Remarks Cast iron XP-EPDM Stainless steel (cast) Stainless steel (cast) 850 DN40 - DN300 Stainless steel MP (cast) Stainless steel (cast) 851 DN40 - DN300 Stainless steel Stainless steel 730 DN350 - DN800 Stainless steel PP Stainless steel 731 DN350 - DN800 Composite Stainless steel 440 DN40 - DN300 Stainless steel XP-EPDM Stainless steel (cast) Stainless steel (cast) 435 DN50 - DN300 Stainless steel MP (cast) Stainless steel (cast) 436 DN50 - DN300 MP = mirror polished PP = pickled & passivated Emerson reserves the right to change the contents without notice page 6
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butterfly valves high performance Ruamcharoen Engineering And Supplies Ltp., Tel : Fax :
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