V-Flow vertical pump, gray motor on a stainless steel pump body with flanged ports on a base
V-Flow Pump NV45-4S
Can you match this part’s SKU, size and connections to the system label or manual?
- Worth considering for
- Existing system owners who can match a part number and configuration before ordering.
From $6,209.99
Archived USD price · Check today’s price with Crystal Quest.
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A documentation-based review of the manufacturer’s listing and specifications. How we reviewed it
Our assessment
The most useful starting point in this listing is its published rated flow: 45 GPM. That gives you a concrete detail to compare, but the decision still depends on the exact configuration and your intended use.
What the listing gives you
- Rated Flow
45 GPM — as listed by Crystal Quest. Use this as a comparison point for the matching model.
- Max Working Pressure
232 PSI — as listed by Crystal Quest. Use this as a comparison point for the matching model.
- Configuration choices are documented
Motor: Single-Phase Motor (1PH), Three-Phase Motor (3PH)
What deserves a closer look
- Fit comes first
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
- Look beyond the listed price
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
- Compare the same configuration
The source lists 2 configurations. Use the model and part-number table below so that a size, package or optional component is not mistaken for a different specification.
These are our reading of the published information and our buying considerations. They are not measured performance results.
The specifications, in context.
Values below are published by Crystal Quest. Specifications may describe different configurations; read the model labels and compare the complete source tables in the reference section.
- Rated Flow
- 45 GPM
- Max Working Pressure
- 232 PSI
- Max Inlet Pressure
- 118 PSI
- Motor Power
- 3 HP
Technical SpecificationsOriginal technical table 1 of 2
| Rated Flow | 45 GPM |
| Stages | 4 |
| Max Working Pressure | 232 PSI |
| Max Inlet Pressure | 118 PSI |
| Motor Power | 3 HP |
| Motor Phase / Frequency | 1PH or 3PH / 60Hz |
| Motor Frame | 182TC |
| Motor Enclosure | T - TEFC |
| Pump Length (Flanged) | 18.35 in |
| Weight (Flanged) | 87 lbs |
Construction MaterialsOriginal technical table 2 of 2
| Wetted Components | 304 Stainless Steel |
| O-Rings | EPDM |
| Mechanical Seal | Silicon Carbide/Silicon Carbide/EPDM |
| Motor Bracket & Base Plate | Cast Iron |
All extracted specification rows 25 rows
| Published item | Manufacturer value | Source section |
|---|---|---|
| Rated Flow | 45 GPM | Technical specifications |
| Stages | 4 | Technical specifications |
| Max Working Pressure | 232 PSI | Technical specifications |
| Max Inlet Pressure | 118 PSI | Technical specifications |
| Motor Power | 3 HP | Technical specifications |
| Motor Phase / Frequency | 1PH or 3PH / 60Hz | Technical specifications |
| Motor Frame | 182TC | Technical specifications |
| Motor Enclosure | T - TEFC | Technical specifications |
| Pump Length (Flanged) | 18.35 in | Technical specifications |
| Weight (Flanged) | 87 lbs | Technical specifications |
| Wetted Components | 304 Stainless Steel | Technical specifications |
| O-Rings | EPDM | Technical specifications |
| Mechanical Seal | Silicon Carbide/Silicon Carbide/EPDM | Technical specifications |
| Motor Bracket & Base Plate | Cast Iron | Technical specifications |
| Component | Material (304 SS Models) | Included parts & replacements |
| Motor Bracket | Cast Iron | Included parts & replacements |
| Pump Head | 304 Stainless Steel | Included parts & replacements |
| Impeller | 304 Stainless Steel | Included parts & replacements |
| Diffuser | 304 Stainless Steel | Included parts & replacements |
| Neck Ring | Teflon | Included parts & replacements |
| Shaft | 431 Stainless Steel | Included parts & replacements |
| Casing | 304 Stainless Steel | Included parts & replacements |
| O-Ring | EPDM | Included parts & replacements |
| Pump Base | 304 Stainless Steel | Included parts & replacements |
| Base Plate | Cast Iron | Included parts & replacements |
Multi-column comparison tables are preserved in full under Manufacturer reference.
Choose the configuration carefully.
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
Model & part-number reference 2 configurations
This is a reference table, not an ordering form. SKU and option names are reproduced from the manufacturer snapshot.
| Configuration | Part number / SKU | Listed price (USD) |
|---|---|---|
| Single-Phase Motor (1PH) | SWP-NV45B4FE1T | $6,734.99 |
| Three-Phase Motor (3PH) | SWP-NV45B4FE3T | $6,209.99 |
Price snapshot from November 8, 2026. This is not a current offer or a stock confirmation.
Think beyond day one.
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
- Match the exact model or SKU before relying on an installation diagram or replacement schedule.
- Ask what the quoted package includes and what must be supplied separately.
- Keep the manufacturer’s operating instructions with your service and replacement records.
Documents & videos
Frequently asked questions
Can you match this part’s SKU, size and connections to the system label or manual?Our reading
The most useful starting point in this listing is its published rated flow: 45 GPM. That gives you a concrete detail to compare, but the decision still depends on the exact configuration and your intended use.
Who is V-Flow Pump NV45-4S worth considering for?Best fit
Existing system owners who can match a part number and configuration before ordering.
What are the configuration constraints and installation requirements?Fit & plumbing
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
What are the ongoing maintenance and filter replacement considerations?Ownership costs
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
Go back to the source.
The full product information below is supplied by Crystal Quest, including its own descriptions and claims. We have reorganized the typography and tables for reading. This material is separate from Elorova’s assessment.
Product overviewManufacturer material
Product Description
The V-Flow Pump NV45-4S is a high-efficiency, four-stage vertical booster pump designed for industrial, commercial, and agricultural applications. Its vertical, in-line design saves space while delivering reliable performance in demanding environments.
Motor Options
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Single-Phase Motor
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Ideal for locations without three-phase power
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Same flow (up to 45 GPM) and pressure (up to 232 PSI) as three-phase models
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Slightly lower electrical efficiency and better suited for lighter duty cycles
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Three-Phase Motor
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Standard for commercial and industrial sites
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Higher electrical efficiency and smoother continuous operation
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This pump is well-suited for reverse osmosis, washing systems, water treatment, power plants, boiler systems, water boosting, irrigation systems, sprinkler systems, and hot and cold water circulation.
The V-Flow Pump NV45-4S combines precision engineering and dependable performance, making it a trusted choice for a wide range of water handling needs.
Technical specificationsManufacturer material
V-Flow Pump NV45-4S
Vertical Multistage Booster Pump, 304 Stainless Steel
Technical Specifications
| Rated Flow | 45 GPM |
| Stages | 4 |
| Max Working Pressure | 232 PSI |
| Max Inlet Pressure | 118 PSI |
| Motor Power | 3 HP |
| Motor Phase / Frequency | 1PH or 3PH / 60Hz |
| Motor Frame | 182TC |
| Motor Enclosure | T - TEFC |
| Pump Length (Flanged) | 18.35 in |
| Weight (Flanged) | 87 lbs |
Construction Materials
| Wetted Components | 304 Stainless Steel |
| O-Rings | EPDM |
| Mechanical Seal | Silicon Carbide/Silicon Carbide/EPDM |
| Motor Bracket & Base Plate | Cast Iron |
Included parts & replacementsManufacturer material
Construction & Design Features (304 Stainless Steel Model)
| Component | Material (304 SS Models) |
|---|---|
| Motor Bracket | Cast Iron |
| Pump Head | 304 Stainless Steel |
| Impeller | 304 Stainless Steel |
| Diffuser | 304 Stainless Steel |
| Neck Ring | Teflon |
| Shaft | 431 Stainless Steel |
| Casing | 304 Stainless Steel |
| O-Ring | EPDM |
| Pump Base | 304 Stainless Steel |
| Base Plate | Cast Iron |
| Mechanical Seal | Silicon Carbide/Silicon Carbide/EPDM |
Installation & maintenanceManufacturer material
Installation Instructions for V-Flow Pump NV45-4S
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Preparation:
- Inspect the pump and motor for visible damage during shipping. Report any issues to the carrier or dealer immediately.
- Ensure the installation site is level, stable, and provides adequate space and ventilation for motor cooling and maintenance.
- Verify that the pump model and motor specifications match the system requirements and application.
-
Mounting the Pump:
- Secure the pump base to a flat, solid surface to minimize vibrations during operation.
- Align and support the suction and discharge piping to prevent excessive strain on the pump.
- Install isolation valves on both the suction and discharge sides for easier servicing and maintenance.
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Piping Connections:
- Ensure piping matches the pump’s 2" ANSI 150# flanged connections.
- Install gaskets to prevent leaks and ensure proper sealing.
- Remove any protective covers or caps from the flanges before installation.
- Include a bleed valve in the discharge line for hot water systems to relieve pressure during servicing.
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Electrical Connection:
- Have a certified electrician verify the electrical supply matches the motor’s specifications (5 HP, three-phase).
- Ensure correct motor wiring and confirm counterclockwise rotation when viewed from the motor’s rear.
- If rotation is incorrect, reverse any two leads on a three-phase motor to correct it.
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Priming the Pump:
- Remove the fill plug and fill the pump casing with water using a funnel.
- Open the vent plug to allow air to escape as the pump fills with water.
- Re-seal the vent and fill plugs once a steady stream of water flows from the vent.
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Initial Testing:
- Fully open the suction valve and partially open the discharge valve.
- Apply power to the motor and monitor for smooth operation without unusual noise or vibration.
- Gradually open the discharge valve to achieve the desired operating conditions.
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Safety Precautions:
- Never operate the pump without water to avoid damaging internal components.
- Replace coupling guards after installation to ensure operator safety.
- Ensure the pump is properly grounded and all connections are secure before starting.
What this review is based on.
Elorova researched the public Crystal Quest product listing, its published configuration data, source photographs and linked documents. The source page was checked on .
We have not purchased or installed this product, conducted a laboratory evaluation, or independently confirmed the manufacturer’s treatment and certification claims. We do not copy retailer star ratings into an Elorova rating.
Original Crystal Quest product listingOur research is a snapshot. Check the merchant’s current documentation, warranty, configuration, price and delivery terms before deciding. Read our editorial policy.
