Choosing between two used centrifugal process pumps starts with the material and the price point. Before choosing, think about what the pump will handle and how much you want to spend. The Goulds 3196 STi and the Summit 2196 LTO are both used units, but they sit at different price points. The right choice depends on the pump's role in your process, not just the sticker price.
Quick verdict
The Goulds carries the lower listed price and a compact design. The Summit carries the higher listed price and is built to a larger specification.
Head-to-head table
| Feature | Goulds 3196 STi | Summit 2196 LTO |
|---|---|---|
| Listed price | USD 1,625.00 | USD 3,400.00 |
| Impeller diameter | 6.750″ | 9.75″ |
| Material | Ductile iron | 316SS |
| Condition | Used | Used |
| Price bar |
The difference between the two listed prices is USD 1,775.00. The pump-only status matters for budgeting, because the motor will need to be sourced separately for the Summit.
Where each pump wins
For a lower listed price and a more compact ANSI end-suction layout, the Goulds 3196 STi is the one to start with. Its specifications include a 3500 RPM maximum speed and an electric power source, which are useful if you need a pump that specifies those operating details.
For the higher-spec side of this pairing, the Summit 2196 LTO is the one to start with.
Product notes
Goulds 3196 STi 1x1.5-8 ANSI End-Suction Centrifugal Process Pump 6.750
This Goulds ANSI process pump has a 6.750-inch impeller, a 1-inch outlet, and a 1.5-inch inlet, matching a compact end-suction layout. Those port sizes give you a concrete starting point for piping compatibility. Its specifications include a 3500 RPM maximum speed, an electric power source, and US origin. It is also the less expensive option in this head-to-head, giving it an advantage in upfront price. On the limitation side, this is not a stainless steel pump, so if wetted parts need to be 316SS, the Summit is the one in this comparison that explicitly lists that material. The smaller impeller also means the Goulds is aimed at a more compact operating envelope than the Summit, which matters if you need larger flow capacity. But if corrosion resistance is not a priority, the Goulds is the more direct way to get into an ANSI end-suction pump.
Summit 4x6x10 2196 LTO Centrifugal Process Pump 316SS
This Summit 2196 LTO centrifugal process pump is built with 316 stainless steel and has a 9.75-inch impeller. It is pump-only, with no motor included, and it notes the unit was tested to be in good working condition. Those are useful facts when comparing against a process pump you already have. It is the higher-priced unit here, but the larger impeller and 316SS construction are the concrete reasons to consider it. The larger impeller diameter increases the performance envelope relative to the Goulds, which is a useful reference point. The trade-off is the higher listed price and the missing motor, which means your total outlay will include the pump plus a separate drive. If you already have a motor and want a larger stainless process pump, this is the option to focus on.
Final choice by use case
Choose the Goulds 3196 STi if you want the lower listed price and a compact ANSI pump. Choose the Summit 2196 LTO if you are ready for the higher listed price and a larger pump. In short, your process and your motor situation will decide between these two.
