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LVP Series Stainless Steel Vane Pumps

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Presentation on theme: "LVP Series Stainless Steel Vane Pumps"— Presentation transcript:

1 LVP Series Stainless Steel Vane Pumps

2 The LVP Series… is an industrial duty vane pump designed and built for the process industries, not an LPG pump adapted for industrial use is far more durable than other stainless steel vane pumps because of its hardened casing and hard components in critical wear areas is capable of higher pressures (200 PSI/14 Bar) than competitive vane or gear pumps on thin liquids is more robust than other vane pumps, which means it is not dimensionally interchangeable It fills Viking’s performance gap on thin, corrosive liquids, giving us new applications and customers who required pressures that Viking could not deliver in the past. By ignoring this gap, we have allowed Blackmer to take too much of our business in thin liquid applications. Offers higher performance and is more durable than other vane pumps, with higher pressures and longer lasting casing, bushings, shafts and vanes. It’s a thin liquids pump, designed for 28 to 2,500 SSU only. The LVP is the best solution for thin liquids, but it is not applicable over 2500 SSU. That’s where gear pumps shine. It offers a lower cost alternative to SS gear pumps, for those applications where you need a little bit lower price to get the job.

3 Rotary Vane Principle Rotor turns in casing with cam profile
Cavity forms at suction side to draw liquid in Vanes move liquid through casing Cavity decreases at discharge to force liquid out

4 Rotary Vane Principle Rotor turns in casing with cam profile
Cavity forms at suction side to draw liquid in Vanes move liquid through casing Cavity decreases at discharge to force liquid out

5 Efficiency Vanes ride on liquid film against casing.
Carbon discs minimize slip around ends of rotor Less slip = higher efficiency, higher pressure capability

6 Vane Extension Push rods between opposite vanes initiate vane extension

7 Vane Extension Liquid from high pressure side flows through vane slots to help drive vane extension.

8 Vane Extension Centrifugal force and gravity also contribute to vane actuation

9 Vane vs. Gear Pump Efficiency
Gear pumps gradually lose volumetric efficiency over time Vanes maintain efficiency by self-adjusting (extending out) to compensate for wear Replace vanes when performance begins to drop (recommend Power Load Monitor) You can see that vane pumps maintain maximum efficiency longer than gear pumps because the end of the vane is designed to contact the casing, as a sacrificial part. Vanes can wear up to 50% of their length before losing efficiency, but when that efficiency drops, you have to replace the vanes. In a gear pump, the gear tips do not contact the casing, so they lose efficiency very gradually and consistently. You may replace the vanes in a vane pump several times before you would have to replace the gears in a gear pump, but the relative cost of replacing vanes is lower than replacing gears. Since the vane wear is inherent in the design, a good pump should make it easy to replace vanes. Viking does.

10 LVP Series Overview Three frames, two displacements per frame, up to 160 GPM (36 M3/hr) maximum Pressures to 200 PSI (14 Bar) 316 Stainless steel construction Frame 1 (Size 01 & 02) foot mount or close-coupled. Frames 2 & 3 foot mount only. Choice of U.S. standard (inch) or metric design ANSI-compatible raised-face flanges, inch-standard shaft seal, NEMA motor mount DIN-compatible raised-face flanges, metric-standard shaft seal, IEC motor mount

11 LVP 4 1 23 7 U - R Nomenclature LVP Series
Design Standard: U = Inch (US) M = Metric Shaft Sealing: = Mechanical Seal Matls. Of Construction: = 316 SS Drive Configuration: M = Motor Mount D = Direct Drive R = Reducer Drive P = Purchased Red. Mounting: = Motor Mount = Foot Mount Size (US Gallons/100 Revs), capacity at maximum speed = 20 GPM / 4 M3/hr = 40 GPM / 9 M3/hr = 80 GPM / 18 M3/hr = 100 GPM / 23 M3/hr = 125 GPM / 29 M3/hr = 160 GPM / 36 M3/hr

12 Hydraulic Coverage – 60 Hz Speeds
25 50 75 100 125 150 175 200 Capacity (GPM) 40 30 20 10 Capacity (M3/Hr) 2.5 5 7.5 12.5 Pressure (PSI) Pressure (Bar) 15 Size 01 02 05 08 19 23 1750 RPM 1150 RPM 950 RPM 520 RPM (with reducer) Nominal capacities and pressures at maximum speed

13 Hydraulic Coverage – 50 Hz Speeds
25 50 75 100 125 150 175 200 Capacity (GPM) 40 30 20 10 Capacity (M3/Hr) 2.5 5 7.5 12.5 Pressure (PSI) Pressure (Bar) 15 Size 01 02 05 08 19 23 1450 RPM 950 RPM 520 RPM (with reducer) Nominal capacities and pressures at maximum speed

14 Port Size (ANSI or DIN Flanges)
Specifications – 60 Hz Speeds Model Nominal capacity Max. Speed Port Size (ANSI or DIN Flanges) GPM M3/HR RPM in. (ANSI) mm (DIN) LVP 40017 20 4 1750 1.5 40 LVP 40027 9 LVP 41057 80 18 1150 2 50 LVP 41087 100 23 950 LVP 41197 125 29 520 3 65 LVP 41237 160 36 Max. Differential Pressure 200 PSI 14 Bar Max. Hydrostatic Pressure 300 PSI 20 Bar Viscosity Range 28 to 2,300 SSU 1 to 500 cSt Temp. Range Std Construction -15° to 275°F -26° to 135°C Temp. Range (Optional Construction) -60° to 500°F -51° to 260°C The green colored digits in the model number indicate the displacement in tenths of a gallon. The limits on viscosity are due to the close clearances between the bushings and shaft, which do not allow sufficient lubrication for thick liquids.

15 Port Size (ANSI or DIN Flanges)
Specifications – 50 Hz Speeds Model Nominal capacity Max. Speed Port Size (ANSI or DIN Flanges) GPM M3/HR RPM in. (ANSI) mm (DIN) LVP 40017 16 4 1450 1.5 40 LVP 40027 35 8 LVP 41057 66 15 950 2 50 LVP 41087 100 22 LVP 41197 125 29 520 3 65 LVP 41237 160 36 Max. Differential Pressure 200 PSI 14 Bar Max. Hydrostatic Pressure 300 PSI 20 Bar Viscosity Range 28 to 2,300 SSU 1 to 500 cSt Temp. Range Std Construction -15° to 275°F -26° to 135°C Temp. Range (Optional Construction) -60° to 500°F -51° to 260°C The green colored digits in the model number indicate the displacement in tenths of a gallon. The limits on viscosity are due to the close clearances between the bushings and shaft, which do not allow sufficient lubrication for thick liquids. Certifications available through Viking Europe: ATEX CE

16 Materials of Construction
Component Std. Construction Options Casing 316 SS Surface Hardened to 62 Rockwell C Head 316 SS Rotor / Shaft Vanes Carbon reinforced PEEK® Carbon Graphite Push Rods PEEK Shaft Coating (bushing area) Chrome Oxide Bushings (casing & head) Silicon Carbide Discs O-Rings Viton® EPR, PTFE, Kalrez® Pressure Relief Valve (or optional cover plate or optional Return-to-Tank valve) Foot Optional M-Drive Motor Mount Bracket (Frame 1 only) “U” models: Cast Iron “M” models: Steel

17 Seals – “U” (inch standard) pumps
Catalog Seal Options Faces Elastomer Options Description FlowServe Type 52 (Standard) CG/SiC Viton®, EPR Elastomer Bellows – Component single mechanical seal John Crane Type 8-1 Viton, EPR, Kalrez® O-Ring Pusher – Component single mechanical John Crane Type 9 Teflon® Teflon Wedge – Component single mechanical FlowServe ISC1PX Viton, EPR, Kalrez Cartridge single mechanical seal FlowServe ISC2PP Cartridge double mechanical seal Garlock PS-II Aflas® Cartridge triple lip seal CG/SiC seal face materials are standard on all seals for better seal life and broad chemical compatibility

18 Seals – “M” (metric standard) pumps
Catalog Seal Options Faces Elastomer Options Description John Crane Type 2100 (Standard) CG/SiC Viton®, EPR Elastomer Bellows – Component single mechanical seal John Crane Type 58U Viton, EPR, Kalrez® O-Ring Pusher – Component single mechanical John Crane Type 59U Teflon® Teflon Wedge – Component single mechanical John Crane 5610 Viton, EPR, Kalrez Cartridge single mechanical seal John Crane 5620 Cartridge double mechanical seal CG/SiC seal face materials are standard on all seals for better seal life and broad chemical compatibility

19 Motor Mount Sizes 01 and 02 offer foot or motor mount, all other sizes foot mount only. “U” models (inch standard) couple to NEMA C-face motors: 56C, 143/145TC, 182/184TC “M” models (metric standard) couple to IEC B14 Flange motors: 90, 100, 112, 132

20 LVP Limitations Temperature
Standard pump -15° to 275°F (-26° to 135°C). Limiting factor: bushing interference fit Up to 500°F (260°C) using optional carbon graphite bushings & vanes, Kalrez® seals, but pressure limited to 125 PSI (8 Bar) when using optional carbon graphite bushings. -60°F (-51°C) with EPR seals. Viscosity - Consult factory for viscosities over 2300 SSU (500 cSt.) Drive Equipment – Side loads (belt or chain drives) not allowable

21 The Viking Advantage – Durability
Casing Surface Hardened to 62 Rockwell C! Carbon-reinforced PEEK® Vanes for high strength and low friction With a non-hardened 316SS casing, SS particles embed in vanes, and accelerate wear on both vanes and casing. The casing is hardened using low temperature nitriding, just like we do our stainless gear pump rotors. This reduces wear on the casing, which was a major complaint among Blackmer users. It reduces the chance of pickup if the rotor does contact the casing. The hardening process only goes a few thousandths of an inch deep, so extended use on abrasive liquids will penetrated the hardening and allow wear. For mildly abrasive liquids, it will last much longer than an unhardened stainless steel pump. What if Blackmer hardens their casing? They can, a little bit, but not to the hardness that Viking achieves, because their investment cast pump has much less metal, which makes it susceptible to warping during the ion-nitriding process. This distortion leads to leakage and excessive vane wear. Benefit: Hardened casing surface is smooth longer, with less scoring, for less vane wear. Reduces maintenance & life cycle cost.

22 The Viking Advantage – Durability
Silicon Carbide Bushings Chrome Oxide Shaft Coatings Carbon bushings work well at low pressures, but above 125 psi / 8 bar, they can wear rapidly! Test pumps at 200 PSI with carbon graphite bushings failed due to bushing wear after 100 hours. Silicon carbide exhibited zero wear after 350 hours. Benefit: Longer shaft and bushing life, especially if abrasives or contaminants present. Reduces maintenance & life cycle cost.

23 The Viking Advantage – Maintenance
Easy disassembly and reassembly No shimming or setting end clearances!

24 The Viking Advantage – Maintenance
Easy access back pull-out seal Benefit: Simple seal replacement. No thrust bearings to remove for seal access. No thrust bearing lubrication. Faster maintenance for lower cost.

25 The Viking Advantage – Maintenance
Carbon discs for anti-slip and thrust control are reversible. When worn, switch them instead of replacing them. Benefit: Doubles usable life of discs. No shimming or end clearance adjustment! Faster maintenance for lower cost.

26 The Viking Advantage – Maintenance
Top-mounted pressure relief valve (not shown) and casing drain for complete drainability Benefit: All liquid can be drained from pump before maintenance Improved safety, less chemical cleanup.

27 The Viking Advantage – Maintenance
For users with multiple pump sizes, the rotor/ shaft, vanes & seals are common within a frame. Frame 2&3 shafts same diameter for common seals. Frame Size Shaft Ø “U” (in) “M” (mm) 1 01 25 02 2 05 1.5 38 08 3 19 23 Benefit: Fewer parts to stock. Lower inventory costs.

28 The Viking Advantage – Maintenance
Thin-liquid design uses O-ring seals (not gaskets or Teflon seal rings), and Raised Face flanges standard Benefit: Prevents leakage even with very thin liquids Improves safety and helps prevent cleanup costs.

29 The Viking Advantage – Installation
Motor-speed operation on first 3 sizes (60 Hz) and 4 sizes (50 Hz) can eliminate speed reducer or gear motor Size 60 Hz RPM GPM 50 Hz RPM M3/hr 01 1750 20 1450 3.6 02 40 7.4 05 1150 80 950 15 08 100 22 19 520 125 29 23 160 36 Benefit: Eliminate reducer, one set of couplings, one shaft guard, and one shaft alignment. Reduces installation cost and space required.

30 The Viking Advantage – Installation
Opposite ports, with either ANSI B16.5-compatible 150# class raised face flanges, or DIN compatible PN 16/25/40 raised face flanges for easy in-line piping. Inch- or metric- standard shafts, seals and motor-mount. Benefit: Easy to install according to local standards worldwide. Eliminates adapters, allows local coupling and seal sourcing. Reduces installation cost and ensures local seal availability.

31 The Viking Advantage – Installation
Adjustable pressure relief valves standard. Available without valve (with cover plate) or with return-to-tank valve. Benefit: Protects pump from system upsets, eliminates cost of external relief valve and piping. Reduces installation cost.

32 The Viking Advantage – Installation
Gauge ports standard. Benefit: Easy installation of vacuum or pressure gauges or transducers for condition monitoring. Reduces cost of installing monitoring equipment.

33 The Viking Advantage – Application
Reversible direction of rotation allows one pump to be used for tank loading and unloading, or line stripping. Note: Always provide pressure relief when reversed. For permanent reverse operation, change internal flow path and relief valve direction. Benefit: More flexibility. Eliminates cost of a second pump, piping and valving.

34 The Viking Advantage – Application
Seal chamber accepts many component and cartridge-style seals Elastomer bellows single com-ponent seal (Type 52 or 2100) O-ring Pusher single com-ponent seal (Type 8-1 or 58U) Teflon® wedge single com-ponent seal (Type 9 or 59U) Single cartridge seal Double cartridge seal Triple Lip cartridge seal Benefit: Sealing options for almost any liquid or application, with local seal availability from user’s preferred vendors. Minimizes leakage, reduces seal maintenance and inventory costs.

35 Internal Flow – Clockwise Rotation
Liquid enters the suction port, passes through the cam profile to the discharge port, where pressure increases. This causes liquid indicated by the red arrow to flow from the higher pressure discharge side to the lower pressure suction side, to provide cooling and lubrication between the bushings and shaft. Internal flow cools and lubricates bushings and shaft seal

36 Align hole with open internal flow channels
Disc Placement – Clockwise Rotation Grooved sides face motor The long slot on the left side of the rotor side of the outboard (or head) disc allows fluid access to the head bushing, and the bore and slot on the right allow liquid to flow back to the suction side. On the inboard (or casing) disc the bore serves no purpose, but the short slot allows liquid back to the suction side, and the long slot allows liquid access to the bushing and seal. Discs are identical and face same direction. When worn on one side, switch locations and flip to the other side. Drain groove at bottom Both discs always face same direction! Align hole with open internal flow channels

37 Internal Flow – Counterclockwise Rotation
To permanently reverse direction of flow, reverse the location of the two setscrews and flip the direction of the discs and relief valve. This is counterclockwise flow (left hand suction). For permanent reversal, reverse location of suckback set screws, reverse direction of discs and relief valve (requires diassembly of pump)

38 Smooth sides face motor Align hole with open internal flow channels
Internal Flow – Counterclockwise Rotation Smooth sides face motor Both discs always face same direction! Align hole with open internal flow channels

39 Twenty-Minute Maintenance
Animation time: 35 Seconds Real Time: 10 Minutes Lock out motor, remove drain plug and drain pump Remove head capscrews and head Remove disc Replace vanes one by one in top slot (rounded end toward casing, grooves facing suction port) Reassemble

40 Viking Value Motor mount option on Frame 1 pumps eliminates coupling guard and shaft alignment, and allows casing to be rotated to vertical orientation.

41 Comparison to Major Competitor
Issue Viking LVP Competitor Bushing Wear Standard SiC bushings resist wear Carbon graphite bushings can wear rapidly, adversely affecting vane and mechanical seal life Vane Wear Coefficient of friction for PEEK vane material is approximately ¼ that of PPS (Ryton) material. PEEK has broader chemical resistance and 50% greater mechanical strength PPS material is not as good for thin, non-lubricating liquids as PEEK and is not as strong as PEEK When vanes wear to the point that they slip out of the slot Composite vanes and push rods minimize damage to hard casing. Replacement vanes are longer-lasting against smooth casing. Metal vane inserts and push rods score casing, cause pick-up. Replacement vanes wear quickly against rough casing.

42 Comparison to Major Competitor
Issue Viking LVP Competitor Casing Wear Standard surface hardened casing (62 Rc) resists wear (patent applied for) Stainless casing material is soft and can wear rapidly Leakage Has one-piece casing, with no seal to leak, better shaft / mechanical seal alignment Two-piece casing design with O-ring seal, creating potential leak point and an extra point of run-out. Pressure Capability 200 PSI (14 Bar) for broader application 125 PSI (8 Bar) Shaft Alignment Motor mount adaptor available on Size 01 and 02 for NEMA C or IEC B14 flanged motors eliminating alignment concerns Not available

43 Comparison to Major Competitor
Better volumetric efficiency Viking LVP Competitor Benefit: Viking LVP has less than half of competitor’s slip. Can allow a smaller pump to be used in some cases.

44 Conclusion Viking’s LVP Series Vane Pumps are your best value because:
less wear – Viking’s casing hardened to 62 Rockwell C vs. competitor’s soft 316SS. Viking’s silicon carbide bushings vs. competitor’s carbon graphite. higher pressure – Viking’s 200 PSI (14 Bar) vs. competitors’ 125 PSI (8.5 Bar) more flexibility – Viking’s choice of motor mount or foot mount vs. competitor’s foot mount only easier maintenance –Viking: fewer parts, simple disassembly/ reassembly for fast, easy, economical repair, vs. competitor’s number one customer complaint: maintenance lower life cycle cost – Viking’s reduced wear for less downtime and fewer replacement parts, higher volumetric efficiency.

45 LVP Series Stainless Steel Vane Pumps


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