The Keystone Series GR is a heavy duty industrial resilient seated butterfly valve aimed at general purpose applications.

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1 The Keystone Series GR is a heavy duty industrial resilient seated butterfly valve aimed at general purpose applications. Features Wafer and lugged body design with face-to-face dimension, according to EN 558 Series 20 and PI 609. Designed according to EN 593 and PI 609. The seat is field replaceable and fully isolates the body and shaft from the flow. Primary shaft sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere. secondary shaft sealing provides back-up safety. molded-in O-ring in the seat for flange sealing eliminates the need for gaskets. Shaft seals prevent moisture penetrating into the shaft area. The two piece shaft allows for a thin disc and provides minimal obstruction to flow (up to DN 300). Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and drop-tight shut-off. Body locating holes allow ease of installation and centering between the flanges. Extended body neck allows for pipe insulation. ctuator flange according to ISO Top and bottom shaft bearings for optimized support and minimum friction and decreased torque. Top bushing absorbs actuator side thrust loads. ll valves comply to Pressure Equipment Directive (97/23/EU) Module B1 + D, CE Marking. vailable approvals: KIW, BS, WRS, CS, NSF/NSI STD 61. General application Water, air, dry bulk conveying etc. These valves are for any service where a drop-tight shut-off with maximum flow area is required. Technical data Pressure (bar) : 16 bar DN bar DN End of line (bar) : 10 bar DN bar DN Vacuum service (bar) : 0.4 bar Temperature ( C) : -10 to +160 Sizes (DN) : Flange accommodation : PN 6/10/16 SME 125/150 JIS 10K BS Table E S4087 PN 16 S2129 Table E Tyco reserves the right to change the contents without notice KEYEW-6268-EN-1209

2 Series GRW/GRL DN (GRW shown) Parts list Item Qty Description 1 1 Body 2 1 Seat 3 1 Disc 4 1 Upper shaft 5 1 Lower shaft 6 1 Upper bushing 7 1 Packing 8 1 Body circlip 9 1 Shaft circlip 10 2 Upper and lower bearing 11 1 Plug DN (GRL shown) Parts list Item Qty Description 1 1 Body 2 1 Seat 3 1 Disc 4 1 Shaft 5 1 Bushing 6 1 Shaft circlip 7 1 Body circlip 8 1 Body O-ring 9 1 Shaft O-ring 10 1 Disc screw 11 1 Disc screw O-ring 12 4 Upper and lower bearing 13 1 Plug 14 1 Plug O-ring 15 1 Plug circlip Tyco reserves the right to change the contents without notice page 2

3 Material specification DN Part name Material Designation EN/DIN mat.no Remark Body Ductile iron GJS EN JS-1030 Disc Super duplex GX2CrNiMoN EN stainless steel GX5CrNiMo EN Comparable with CF8M 304 stainless steel GX5CrNiMo19-10 EN Comparable with CF8 luminium bronze Cul10Fe2-C EN CC331G Nickel aluminium bronze Cul10Fe5Ni5 EN CC333G Ductile iron CTD GJS EN JS-1030 CTD = Nickel plating Shaft 316 stainless steel X5CrNiMo EN stainless steel X17CrNi16-2 EN Super duplex GX2CrNiMoN EN Seat EPDM Food grade NBR Food grade White NBR FKM Bushing Polyester Packing NBR Bearing PTFE/steel Circlip Stainless steel Plug Carbon steel DN Body Ductile iron GJS EN JS-1030 Disc Super duplex GX2CrNiMoN EN Duplex GX2CrNiMoN EN stainless steel GX5CrNiMo EN Comparable with CF8M 304 stainless steel GX5CrNiMo19-10 EN Comparable with CF8 luminium bronze Cul10Fe2-C EN CC331G Nickel aluminium bronze Cul10Fe5Ni5 EN CC333G Comparable with BS 1400 B2 Ductile iron CTD GJS EN JS-1030 CTD = Epoxy coated, max. temp. 120 C Shaft 431 stainless steel X17CrNi16-2 EN Similar to STM 276/Gr. 431 Duplex X2CrNiMoN EN Super duplex X2CrNiMoN EN Seat EPDM Food grade NBR Food grade FKM Disc screw Super duplex GX2CrNiMoN EN Duplex X2CrNiMoN EN Disc screw O-ring EPDM NBR FKM Plug Carbon steel Plug O-ring NBR Plug circlip Stainless steel Bushing Polyester Shaft/Body O-ring NBR Bearing PTFE/steel Shaft/Body circlip Stainless steel Note: Valves with super duplex disc will have super duplex disc screw. ll other discs will have a duplex disc screw. Tyco reserves the right to change the contents without notice page 3

4 Series GRW (Wafer) DN DN H øn α øn øe øg øe F L F øg L C øb C øb Q ø øm øyy Q ø øm øyy J J Valve dimensions (mm) D Top plate drilling Size Shaft Bolt No. Holes dapt. Weight (3) (DN) B C D E F J L M N Q (1) YY G H (2) Key circle holes α dia. code (kg) F F F F F F F F F x F x F x F x F x F x F x F x F x F (1) 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 valve. (2) H dimension refers to flat on shaft. (3) Weight may vary depending on trim materials used. D Tyco reserves the right to change the contents without notice page 4

5 Series GRL (Lug) DN DN H øn α øn øe F øg L øe øg F L C øb C øb Q ø øm øyy Q ø øm øyy J J D D Valve dimensions (mm) Top plate drilling Size Shaft Bolt No. Holes dapt. Weight (3) (DN) B C D E F J L M N Q (1) YY G H (2) Key circle holes α dia. code (kg) F F F F F F F F F x F x F x F x F x F x F x F x F (4) x F (1) 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 valve. (2) H dimension refers to flat on shaft. (3) Weight may vary depending on trim materials used. (4) Valve size DN 900 is tapped flange design and has no separate lugs. Series GRW & GRL Dimensions of tapped flange locating holes (mm) Size Series GRW Series GRL (DN) U V U V Note: ll holes in lugged version are through threaded, except the holes closest to top and bottom shaft. Tyco reserves the right to change the contents without notice page 5

6 Torque application factor categories pplication I Clean liquid lubricating media (water, clean oils, lube oil, mineral oil, etc.); and with no deposit or chemical attack, valve operated at least once a week. Temperature range from 0 C to maximum temperature rating of the elastomer seat. pplication II Other liquid media and lubricating gases (aqueous liquids, such as food & beverage, water, etc.); and with minor deposit or chemical attack, valve operated at least once a month. Temperature range from 0 C to maximum temperature rating of the elastomer seat. pplication III a. Dry non-abrasive media or gases (non-abrasive powders and dry gas); or b. Fluids with moderate deposit or chemical attack; or c. Valves operated less than once a month. Temperature range from 0 C to maximum temperature rating of the elastomer seat. pplication IV a. Dry abrasive media and degreasing applications (sand, cement, silicone free, oxygen cleaned); or b. Liquids with severe deposit; or c. Valves not frequently operated (once a year). ll above with temperature range from -10 C to maximum temperature rating of the elastomer seat. 1. For applications with temperatures above or below the guidelines above, please consult factory. 2. For dry service valves it is suggested to use U/C discs (reduced diameter) when service conditions are less than 3.5 bar. Valve seating and unseating torques (Nm) Differential Valve size (DN) pressure (bar) pplication I 3, (1) (U/C) pplication II 3, (1) (U/C) pplication III 3, (1) (1) 4828 (1,2) 5719 (2) (U/C) pplication IV 3, (1) (1) 5223 (1,2) 6168 (2) (U/C) U/C refers to reduced diameter disc option. (1) Use a minimum of Class 8.8 steel bolts to connect actuator to valve. (2) Duplex shaft not suitable for these conditions, use only 431 stainless steel or super duplex. Tyco reserves the right to change the contents without notice page 6

7 Maximum allowable shaft torques (Nm) Shaft Valve size (DN) material SS (SS ) 431SS (SS ) Duplex (SS ) Super duplex (SS ) Flowrate co-efficients - K v values Valve size Disc opening (degrees) (DN) Note: K v = The volume of water in m3/hr that will pass through a valve with a pressure drop of 1 bar at 20 C Pressure-temperature diagram Seat Disc Body Size range Valve function Temperature ( C) material * material material (DN) Standard / End of Line EPDM all DI Std / EOL 16 bar / 10 bar NBR and all DI Std / EOL 16 bar / 10 bar white NBR FKM all DI Std / EOL 16 bar / 10 bar 10 bar / 6 bar EPDM all DI Std / EOL 10 bar / 6 bar NBR all DI Std / EOL 10 bar / 6 bar FKM all DI Std / EOL 10 bar / 6 bar 6 bar / 4 bar * all seat materials drop tight Tyco reserves the right to change the contents without notice page 7

8 Ordering information Example: GR L 100 D 1 2 E D3 I B0 UC DN 100 Series GR Lug style, Ductile iron body, 316SS disc, 431SS shaft, EPDM seat, PN 16, ISO 5211, bare shaft, U/C disc GRL 100 D12E D3 I B0 UC Series GR Body style L Lug W Wafer Size (DN) Body material D Ductile iron Disc material stainless steel 4 Ductile iron / ENP 7 Super duplex stainless steel 5 Ductile iron / Epoxy ctd. N Nickel aluminium bronze 3 luminum bronze 6 Duplex Shaft (1,2) stainless steel 6 Duplex stainless steel 7 Super duplex (1) The standard material is 431 stainless steel. 316 stainless steel shaft is available as an option in DN (2) DN valves with a super duplex disc will have a super duplex disc screw. ll other disc materials will have a duplex disc screw. Seat E EPDM (Food grade) N NBR (Food grade) F FKM W White NBR Flange drilling (refer to flange accomodation chart for code selection) Single drilled 1 SME 125/150 E S2129 Table E D1 DIN PN 6 D3 DIN PN 16 D S4087 PN 16 B1 BS Table E D2 DIN PN 10 J2 JIS 10K Multidrilled M1 DN PN 10/16, SME 125/150, BS Table E, JIS 10K M2 DN PN 10/16, SME 125/150, BS Table E Multidrilled locating plates Flange accommodation chart for wafer valves Sizes (DN) Ordering Ordering Ordering Drillings code 600 code code PN 6 Mod req D1 Mod req D1 Mod req D1 PN 10 STD M1 STD M2 s ordered D2 PN 16 STD M1 STD M2 s ordered D3 SME 125/150 STD M1 STD M2 s ordered 1 BS Table E STD M1 STD M2 s ordered B1 JIS 10K STD M1 N - s ordered J2 Mod req - Is possible but will require some modifications and will be a special STD - Standard valve locating plate is multi drilled and covers this flange standard s ordered - ll valves have to be ordered as this drilling using the code above N - Not possible on this valve size Mounting I ISO 5211 ctuation Flange accommodation chart for lug valves Sizes (DN) Ordering Ordering Ordering Drillings code 600 code code PN 6 s ordered D1 s ordered D1 s ordered D1 PN 10 s ordered D2 s ordered D2 s ordered D2 PN 16 s ordered D3 s ordered D3 s ordered D3 SME 125/150 s ordered 1 s ordered 1 s ordered 1 BS Table E s ordered B1 s ordered B1 s ordered B1 JIS 10K s ordered J2 N - s ordered J2 B0 Bare shaft G1 Gear P1 Pneumatic D E Electric H1 10 pos handle C1 Chainwheel P2 Pneumatic SR Special (If none leave blank) UC Under cut disc for 3.5 bar or less pressure P Special body coating MTR Material certifications SF Silicone free DOC Special documentation Tyco reserves the right to change the contents without notice page 8

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