Alternative to Sundyne LMV 322 Vertical High Speed Centrifugal Pump
Product Overview
LMV322 High-Speed Vertical Centrifugal Pump - The Perfect Solution for High-Speed Liquid Transfer
For industrial users seeking a high-performance alternative to the Sundyne LMV 322, stability and compatibility are the core requirements. Leveraging 18 years of dedicated R&D in high-speed centrifugal pumps, Sunstrand has successfully launched the LMV 322 replacement model - fully compliant with API 610 (OH6).
We have achieved not only a true "drop-in" physical replacement, but also - based on global delivery experience from 20,000 units - made targeted improvements to mechanical seal life under extreme pressure pulsation conditions.
Technical Benchmarking & Performance Parameters
100% Dimensional Interchangeability
The Sunstrand LMV 322 features identical flange center-line distances, baseplate bolt hole patterns, and auxiliary piping connections to the original model. This means that during maintenance or upgrade, you can achieve a seamless transition without any modification to existing process piping.
Performance-Equivalent Hydraulic Model
Our hydraulic engineers have used modern CFD to perfectly replicate and optimize the original hydraulic performance curve.
- Flow range: Up to 114 m³/h (500 gpm)
- Head range: Up to 1,828 m (6,000 ft)
- Power rating: Fully supports heavy-duty drivers up to 336 kW (450 hp)
| Parameter |
US Customary (60 Hz) |
Metric (50 Hz) |
| Maximum Differential Head |
3,000 ft |
641 m |
| Maximum Flow Rate |
230 gpm |
42 m³/h |
| Maximum Motor Power |
50 HP |
37 kW |
| Temperature Range |
-200 to 650 °F |
-130 to 340 °C |
| Maximum Case Working Pressure |
1,440 psi |
101 kg/cm² |
| Maximum Suction Pressure |
450 psi |
32 kg/cm² |
| Maximum Viscosity |
750 cP |
750 cP |
| Maximum Solids Size |
0.015 in (400 microns) |
0.381 mm (400 microns) |
| Feature |
Specification |
| Design Standard |
API 610 (OH6) |
| Mounting Configuration |
Vertical |
| Seal Configurations |
Single / Double / Tandem (per API 682) |
| Inducer Option |
Available (for low NPSHa) |
| Flange Rating & Type |
600# ANSI RF |
| Suction x Discharge Size |
3″ x 2″ |
| API Flush Plans Supported |
11, 12, 13, 21, 23, 31, 32, 41, 52, 53, 54, 61, 62, J |
Core Spare Parts Commonality
Not only is the complete pump interchangeable - Sunstrand-manufactured high-speed shafts, impellers, inducers, and mechanical seals can be used directly in your existing Sundyne LMV 322 pump sets, providing a cost-effective alternative sourcing option.
Industry Applications & Solutions
- Fine Chemicals: For high-pressure MDI/TDI circulation, our optimized API 682 seal configuration more effectively prevents seal wear caused by crystallization.
- Oil Refining: For hydroprocessing units, Sunstrand supplies material grades (e.g., Duplex SS, Hastelloy) with 3.1 material traceability reports to ensure compliance.
- Liquid Transfer (Energy): Our improved high-efficiency inducer provides better cavitation resistance than standard replacement parts when handling low NPSHa conditions.
Packaging & Shipping Information
Product Packaging
- One LMV322 High-Speed Vertical Centrifugal Pump
- User manual and installation instructions
- Safety instructions and warnings
Shipping Details
- Ships within 6 months
- Shipping weight: 75kgs
- Shipping dimensions: 120*80*100cm (depend each pump)
- Shipping carrier: UPS or FedEx or Cargo
- Shipping options: Standard or expedited
Technical FAQ
Q: When using Sunstrand as an alternative, is system pressure rating recalculation required?
A: No. The pressure-containing components of our LMV 322 are designed to fully comply with original equipment standards and API 610. Every pump casing undergoes a hydrostatic test at 1.5 times design pressure, ensuring safe operation under your existing system pressure.
Q: What is the delivery lead time advantage of Sunstrand products?
A: Compared to the long global sourcing lead times of international brands, Sunstrand has full control over its supply chain. Core spare parts are kept in stock, and complete pump delivery lead times are typically 30% - 50% shorter than industry averages - making Sunstrand an ideal choice for emergency repairs and expansion projects.
Q: How do you guarantee that post-replacement vibration levels meet standards?
A: Every Sunstrand LMV 322 undergoes full-speed dynamic balancing before shipment. Our gear manufacturing precision reaches AGMA Class 12, ensuring that at high rotational speeds, vibration values fully comply with - and outperform - the limits specified in API 610 (≤ 2.0 mm/s).
