Description
This SPK series are vertical multistage centrifugal pumps designed for applications such as cooling lubricant circulation for machine tools, condensate transfer, and similar uses. These pumps are mounted on tanks, with the chamber stack immersed in the pumped liquid, allowing for flexible configurations with various pump sizes and stages.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 92741473 |
| Pump speed on which pump data is based | 3415 rpm |
| Rated flow | 5.28 US gpm |
| Rated head | 64.64 ft |
| Stages | 5 |
| Impellers | 5 |
| Primary shaft seal | AQQV |
| Pump version | A |
| Drain holes | Open drain hole |
| Pump housing | Cast iron |
| Pump head | EN-GJL-200, ASTM 25B |
| Impeller | Stainless steel, DIN W.-Nr. 1.4301, AISI 304 |
| Material code | A |
| Maximum ambient temperature | 140 °F |
| Pipe connection | RP 3/4 |
| Flange size for motor | FT85 |
| Connect code | M |
| Pumped liquid | Water |
| Liquid temperature range | 14 .. 194 °F |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor type | 71A |
| Rated power - P2 | 0.33 HP |
| Power (P2) required by pump | 0.33 HP |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 200-230D/346-400Y V |
| Rated current | 1.30/0.75 A |
| Starting current | 500-580 % |
| Cos phi - power factor | 0.86-0.80 |
| Rated speed | 3380-3450 rpm |
| IE Efficiency class | NEMA Premium / IE3 60Hz |
| Motor efficiency at full load | 77.9-79.5 % |
| Motor efficiency at 3/4 load | 77.7 % |
| Motor efficiency at 1/2 load | 74.3-72.7 % |
| Number of poles | 2 |
| Enclosure class (IEC 34-5) | 55 Dust/Jetting |
| Insulation class (IEC 85) | F |
| Built-in motor protection | NONE |
| Minimum efficiency index, MEI ≥ | N/A |
| Net weight | 24.5 lb |
| Gross weight | 27.3 lb |
Estimate shipping
Refund Policy
Liberty Supply accepts returns up to 90 days after the date of invoice for domestic transactions. All returns must be issued an RMA number. RMA requests can be made by emailing support@libertysupply.com. International transactions are non-returnable and non-refundable.
No restocking fee will be imposed on items authorized for return within 30 days if they are in the original, unopened packaging and not subject to a manufacturer-imposed restocking fee. Certain products are subject to a restocking fee. This fee is determined by the specific rules set by the product's manufacturer.
Items opened and returned prior to 90 days after the date of invoice are subject to an additional 20% re-stock fee as long as they are in unaltered, saleable condition. Previously used/installed items cannot be returned unless covered by warranty.
Returns for special order items or items that have been modified (such as an impeller trim) are assessed on a case-by-case basis. If a return is allowed, special order items will incur a variable re-stock fee of up to 50%.
Customers can either ship authorized return items back to Liberty Supply or request a pick-up arranged by us. If Liberty Supply does not receive the items for which a return is requested, the return will be denied. Additionally, if Liberty Supply is not at fault, return shipping costs and any freight charges for replacement or original orders will be deducted from the credited amount.
All product warranties implied are the manufacturer's liability. If an item is returned under the manufacturer's warranty, Liberty Supply will forward the returned goods to the manufacturer for inspection and determination, which may take up to five (5) weeks. The final decision for warranty is solely at the manufacturer's discretion.