Description
This vertical multistage centrifugal pump is designed for applications like cooling lubricant pumping, condensate transfer, and similar uses. Mounted on tank tops with chamber stacks immersed in liquid, these pumps offer adjustable stages and immersed lengths to meet specific flow, pressure, and depth requirements.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 99973731 |
| Rated pump speed | 3452 rpm |
| Rated flow | 90.3 US gpm |
| Rated head | 40.03 ft |
| Chambers | 5 |
| Impellers | 1 |
| Number of reduced-diameter impellers | 0 |
| Drainage back to tank (Yes/No) | N |
| Pump orientation | Vertical |
| Code for shaft seal | HQQE |
| Approvals | CE,EAC,UKCA,RCM, |
| Curve tolerance | ISO9906:2012 3B |
| Pump version | A |
| Cable gland entry | 2xPG 16 blind plug |
| Pump head | Cast iron, EN 1561 EN-GJL-200, ASTM A48-25B |
| Impeller | Stainless steel, EN 1.4301, AISI 304 |
| Material code | A |
| Maximum ambient temperature | 140 °F |
| Maximum operating pressure | 362.59 psi |
| Max pressure at stated temperature | 363 psi / 194 °F |
| Type of connection | NPT(F) |
| Size of outlet port | 2 inch |
| Immersion depth | 12.3 in |
| Flange size for motor | 56C |
| Connect code | WB |
| Pumped liquid | Water |
| Liquid temperature range | 14 .. 194 °F |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor standard | NEMA |
| Motor type | 90GB |
| Rated power - P2 | 2 HP |
| Main frequency | 60 Hz |
| Suitable for 50/60 Hz (Yes/No) | N |
| Rated voltage | 3 x 208-230YY/460Y V |
| Service factor | 1.15 |
| Rated current | 6,00-5,80/2,90 A |
| Starting current | 800-910 % |
| Cos phi - power factor | 0.81-0.78 |
| Rated speed | 3500-3520 rpm |
| IE Efficiency class | NEMA Premium / IE3 60Hz |
| Motor efficiency at full load | 85.5 % |
| Motor efficiency at 3/4 load | 87.4-86.8 % |
| Motor efficiency at 1/2 load | 86.3-85.0 % |
| Number of poles | 2 |
| Enclosure class (IEC 34-5) | 55 Dust/Jetting |
| Insulation class (IEC 85) | F |
| Built-in motor protection | NONE |
| Frequency converter | None |
| Terminal box position | 6 |
| Minimum efficiency index, MEI ≥ | 0.70 |
| Net weight | 71.3 lb |
| Gross weight | 79 lb |
| Shipping volume | 3.64 ft³ |
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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.