INTERNAL GEAR: STAINLESS STEEL HYGIENIC PUMPS SERIES DESCRIPTION OPERATING RANGE: NOMINAL FLOW RATES: Section 230 Page 230.

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1 INTRNL R: RI 157, 4157, 257, 4257 age Issue RI RITION ORTIN RN: iking s Hygienic eries positive displacement pumps are designed to conform to International standards for sanitary processing of foods, beverages, fine chemicals, pharmaceuticals and personal care products where the pump will be subject to frequent cleaning, using either lean In lace (I) or lean Out of lace (O)/trip lean Methods. These pumps are available with compliance to major hygienic standards including 3- and H Type L, lass 1. etted materials comply with standards to limit leaching of substances. Nominal low ressure Range Temp. Range iscosity Range (M) 1 to 275 (M 3/ hr.) 0.2 to 62 (I) To 150 (ar) To 10 ( o ) -5 to 225 ( o ) -20 to 107 () 28 to 100,000 (ct) 0.1 to to 21,500 NOMINL LO RT: ump ize M M 3 /Hr H HL LQ LL L Q Q hown with Optional ing Nuts on Head

2 age INTRNL R: Issue RI 157, 4157, 257, 4257 Y TR N NIT: plined shaft with one front-removable rotor. aster disassembly and reassembly vs. timed pumps with two rotors. (atent pending) One shaft seal. Half the seal replacement cost of timed pumps with two shaft seals. ront-loading seals. liminates entrapment areas in the stuffing box common to other gear pumps, simplifies maintenance. (atent pending) Mechanical seal with arbon/ilicon arbide faces standard. rovides greater seal life than arbon/eramic or arbon/ faces standard on most pumps. Many seal options available. ealed bearings with food-grade grease. No oil reservoir to enable water infiltration or condensation, no oil changes. ive minute end clearance adjustment by rotating the bearing housing, vs. 2-4 hours shimming on most lobe or pumps. conforming wetted materials. nsures product integrity. ll internal angles machined to a minimum radius of 1/32 inch (0.08mm). nsures cleanability. ll internal wetted surfaces polished to minimum Ra of 32µin / 0.8µm. nsures cleanability. etted part material traceability available. nsures the ability to trace the part back to original batch. Reversible direction of flow. nables stripping product from the line to minimize product loss and improve cleaning efficiency. low proportional to speed regardless of system pressure. nables more accurate batching or metering than centrifugal pumps which are highly sensitive to system pressure. Locating pin on casing. nsures pump head cannot be reassembled incorrectly. Removable idler pin allows replacement of pin only instead of head and pin assembly. (atent pending) TNR N OTION: eals: ingle mechanical seal standard. Options: double mechanical seal with flush/quench or single or double O-ring seal. Heating / ooling: Non-jacketed pump standard. acketing option for melting chocolate or other room-temperature solids prior to startup. orting: Hygienic clamp ports conforming to IO 2852 standard. Other hygienic ports and NI compatible flange ports optional. tandard and optional port sizes listed in specifications, page 5. Opposite ports standard, 90 ports optional. The port with a casing groove (shown as ) needs to be used as the suction port for the pump s primary rotation which is clockwise from the shaft end in orientations,,,,, H, I and L. The purpose of this suckback groove in the casing is to cause liquid to flow from the higher pressure discharge side behind the rotor to the lower pressure suction side to cool and lubricate the shaft seal, and ensure complete flushing during I. ue to the casing groove location, orientations,, and (counterclockwise rotation) will require a special casing. Idler pin (shown as ) and rotation shown is as viewed from shaft end of pump. I-able ort Options one port oriented downwards for drainability H I L dditional Options for O

3 INTRNL R: RI 157, 4157, 257, 4257 age Issue MOL NMR Y ize: H LQ HL LL L Q Q haft ealing: lank = O-ring eal (ingle or ouble) 4 = Mechanical eal (ingle or ouble) ouble eal arrier/uffer luid orts tandard nables field change from single to double seals. asic eries etted Material onfigurationof onstruction: 7 = tainless teel Hygienic racket: 1 = Not acketed 2 = acketed racket & Head eal Location: = ehind-the-rotor Rotatable earing Housing ive minute end clearance adjustment by rotating the bearing housing, vs. 2-4 hours shimming on most lobe or circumferential piston pumps. Internal ngles Machined to a minimum radius of 1/32 in (0.08 mm). nsures cleanability. ealed earings with ood-rade rease Means no oil reservoir, no oil changes. Internal etted urfaces olished to a minimum Ra of 32µin (0.8µm). nsures cleanability. Removable Idler in llows replacement of pin only instead of head and pin assembly to reduce maintenance costs. (atent pending) ackscrew Taps or easy head removal. Locating in on asing nsures correct pump head reassembly. ront Removable Rotor, haft eal and asing nables fast disassembly and reassembly for cleaning or inspection without disturbing drive end. corn Nuts tandard ing nuts optional for O. eal Leak etection aps at 3, 6, 9 and 12 o clock positions, provide visual cue of seal leakage and keeps liquid out of bearings. Rigid racket nsures shaft alignment to maximize seal and bearing life. Only One haft eal Reduces chance of unplanned downtime due to seal leakage and reduces cost of seal replacement compared to most hygienic pumps which require two seals.

4 age INTRNL R: Issue RI 157, 4157, 257, 4257 MTRIL O ONTRTION tandard omponent roduct ontact? tandard onstruction Options asing, Head and Rotor Yes 316 Rotor Retainer crew Yes 316 Rotor Retainer asher Yes 17-4 H Idler Yes 770 non-galling alloy (200 /93 Max Temp) Metal etectable cetal (125 /52 Max Temp) Idler ushing Yes arbon raphite ilicon arbide2, Hardened Iron1 Idler in Yes 316 tainless teel, olmonoy #6 oated ingle Mechanical eal aces Yes arbon vs. ilicon arbide i vs. i ouble Mechanical eal aces Yes arbon (tationary 1) vs. ilicon arbide (Rotary) vs. arbon (tationary 2) i (tationary 1) vs. i (Rotary) vs. arbon (tationary 2) O-rings and Mechanical eal lastomers Yes una M, iton, Others vailable eal Hardware, including O-Ring eal leeve (for O-ring shaft seal option) Yes 316 eal prings No 304 haft No 17-4 H ealed all earing No teel, una, H1 ood rade rease ealed ngular ontact Thrust earings No teel, una, H1 ood rade rease racket No ast Iron, owder-oated earing Housing No 316 asing tuds No 304 Head Nuts No 304 Head corn Nuts 304 Head ing Nuts Head acket (option) No 316 racket acket (option) 3 No 316 Tubing Head acket O-ring No flas iton is a registered trademark of uont erformance lastomers, L.L.. flas is a registered trademark of the sahi lass o., Ltd. 1 Material option not compatible with cleaning solutions, disqualifies pump from 3 and H certifications. 2 rilled idler not possible. 3 racket jacket disqualifies pump from 3 certification.

5 INTRNL R: RI 157, 4157, 257, 4257 age Issue IITION (.. NIT) Model Number 3 Mech eal 4 O-ring eal 1 tandard ort ize Optional ort izes vailable Max. Nominal low Rate & peed with Mechanical eals (100 ) Max. Nominal low Rate & peed with O-Ring eals (100 ) Max. ifferential ressure Max. Hydrostatic ressure 2 Max. Recommended Temp for td. ump pprox. hipping eight Inches Inches M RM M RM I I lbs H4157 H HL4157 HL157 1½ ½ ½ ½, LQ4157 LQ157 2½ LL4157 LL L4157 L Q4157 Q N/ N/ Q4157 Q N/ N/ IITION (.I. NIT) Model Number 3 Mech eal 1 tandard ort ize Optional ort izes vailable Max. Nominal low Rate & peed with Mechanical eals (100 ) Max. Nominal low Rate & peed with O-Ring eals (100 ) Max. ifferential ressure Max. Hydrostatic ressure 2 Max. Recommended Temp for td. ump pprox. hipping eight 4 O-ring eal Inches Inches M3/Hr RM M3/Hr RM ar ar k H4157 H HL4157 HL157 1½ ½ ½ ½, LQ4157 LQ157 2½ LL4157 LL L4157 L Q4157 Q N/ N/ Q4157 Q N/ N/ tandard ports are IO 2852 sanitary clamp. ort options include most other hygienic port types and NI-compatible lass 150 flanges. 2 xtra clearances are required above 225 (107 ). Higher temperatures can be handled with special construction, consult factory. 3 Mechanical seal viscosity range: arbon/i 1 to 5,000 ct (28 to 1,000,000 ); i/i 1 to 150,000 ct. 4 O-ring seal viscosity range: 1 to 1,000,000 ct. 5 Q size pumps not available with clamp ports. NI-compatible flange ports only. 3 and H certifications not available on this size due to the ports.

6 age INTRNL R: Issue RI 157, 4157, 257, 4257 IMNION H THROH Q 157 / 4157 T R N 4X.50 MIN O M H L Optional ing Nuts T R 4X.50 MIN N O M H L tandard corn Nuts Model No. Mech. eal O-Ring eal (in) 1 H4157 H157 1 HL4157 HL LQ4157 LQ LL4157 LL157 3 L4157 L157 3 Q4157 Q157 4 (clamp) (flange) 3 H L 2 M N O R T in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in mm Q IMNION OMIN OON 2 1 tandard ports are sanitary clamp. anitary clamp port dimension is O.. of pipe, not O.. of ferrule, which is about 1/2 greater diameter. Optional flange ports suitable for use with lass 150 steel or stainless steel companion flanges or flanged fittings. 2 dimension on L, LL & L equivalent to iking niversal eal 127 series of same size, not 127 or, which have 1.44 (36.6mm) diameter. 3 lamp ports to IO 2852 standard. Requires H - approved gaskets for H certification.

7 INTRNL R: RI 157, 4157, 257, 4257 age Issue IMNION H THROH Q 257 / 4257 H / HL 2X 4.39 T R N 2X X 3/8 NT 2X 15 2X.94 2X 1/2 NT O M H L / / T R 2X 2.31 N 2X 15 2X 45 2X 3/8" NT 2X X X 1-1/4" NT M H L 4X 2X O LQ / LL / L T 2X 2.94 N 2X 45 2X 3/8" NT 2X 1" NT 2X X 3.00 M H L O onsult factory for Q & Q sizes.

8 age INTRNL R: Issue RI 157, 4157, 257, 4257 IMNION H THROH Q 257 / 4257 Model No. Mech. eal O-Ring eal (in) 1 H4157 H157 1 HL4157 HL LQ4157 LQ LL4157 LL157 3 L4157 L157 3 Q4157 Q157 4 (clamp) (flange) 3 H L 2 M N O R T in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in x mm x in mm Q IMNION OMIN OON 2 1 tandard ports are sanitary clamp. anitary clamp port dimension is O.. of pipe, not O.. of ferrule, which is about 1/2 greater diameter. Optional flange ports suitable for use with lass 150 steel or stainless steel companion flanges or flanged fittings. 2 dimension on L, LL & L equivalent to iking niversal eal 127 series of same size, not 127 or, which have 1.44 (36.6mm) diameter. 3 lamp ports to IO 2852 standard. Requires H - approved gaskets for H certification.

9 INTRNL R: RI 157, 4157, 257, 4257 age Issue NH RQIR rinted performance curves are not available. erformance curves can be electronically generated with the iking ump urve enerator on vikingpump.com. NH R data is not available on the urve enerator NH R data is not available on the pump selector. NH R tables for the Hygienic eries can be found in TR-126.