GAST 5KH33DN16HX Vacuum Pump Ge Motor Gauge Trap 1/6HP 115V

( Brand: Gast ), ( Manufacturer Part Number: 5KH33DN16HX ), ( Type: Vacuum Pump ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review GAST Vacuum Pump Ge Motor 1/6hp 115v Working Gauge And Trap

The **GAST 5KH33DN16HX** is a high-performance, oil-sealed rotary vane vacuum pump designed for precision applications requiring reliable and consistent suction power. Engineered with durability and efficiency in mind, this 1/6 horsepower (1/6 HP) pump operates seamlessly on a **115V single-phase electrical supply**, making it ideal for laboratory, industrial, and research environments where compact yet robust vacuum solutions are essential. The pump features a **rotary vane mechanism**, delivering smooth, pulsation-free operation with minimal noise, ensuring quiet yet powerful performance for extended use. Its **115V motor** is optimized for energy efficiency, reducing operational costs while maintaining peak performance under moderate to heavy-duty conditions.

One of the standout features of the GAST 5KH33DN16HX is its **integrated gauge trap**, a critical component that prevents oil backflow into the vacuum system, thereby protecting sensitive instrumentation and maintaining system integrity. This trap ensures that only clean, oil-free air or gas is expelled, making it particularly well-suited for applications in analytical chemistry, material testing, and semiconductor manufacturing where contamination must be strictly controlled. The pump s **compact yet sturdy construction** allows for easy installation in tight spaces, while its robust housing and precision-engineered internals ensure longevity even under demanding operational cycles.

Built for versatility, the GAST 5KH33DN16HX can handle a wide range of gases, including air, nitrogen, and inert gases, with a **maximum ultimate vacuum of approximately 250 microns (0.25 Torr)**, making it suitable for applications such as degassing, filtration, and process vacuum requirements. The pump s **self-priming capability** eliminates the need for pre-evacuation, simplifying setup and reducing downtime. Additionally, its **low-maintenance design** combined with easy oil refill access ensures that routine upkeep is straightforward, allowing operators to focus on their core tasks without frequent interruptions.

Whether used in a laboratory for sample preparation, in an industrial setting for material processing, or in a research facility for experimental setups, the GAST 5KH33DN16HX delivers consistent, high-quality vacuum performance. Its combination of **reliability, efficiency, and precision** makes it a trusted choice for professionals who demand dependable equipment without compromising on performance. With proper maintenance, this vacuum pump will serve as a dependable workhorse for years, ensuring smooth and uninterrupted operation in even the most critical applications.

**Pros and Cons of buying a Gast 5KH33DN16HX Vacuum Pump (GE Motor, 1/6 HP, 115V, Gauge Trap)**

### **Pros**

1. **Reliable Performance** Gast is a well-known brand in the vacuum pump industry, known for durability and consistent operation. The 1/6 HP motor is sufficient for moderate to heavy-duty applications, such as dental offices, laboratories, or small manufacturing setups.

2. **Efficient Cooling System** The pump features a built-in gauge trap, which helps prevent oil contamination in the vacuum system by trapping particles and moisture. This reduces maintenance needs and extends the life of connected equipment.

3. **Compact and Space-Saving Design** The unit is designed to fit in tight spaces, making it suitable for installations where floor space is limited.

4. **Energy Efficiency** At 1/6 HP, it consumes less power compared to larger pumps while still delivering adequate vacuum performance for most applications.

5. **Easy Installation and Maintenance** The pump is designed for straightforward setup, and the gauge trap simplifies monitoring vacuum levels without requiring additional external gauges.

6. **Versatile Applications** Works well in dental suction, laboratory equipment, small-scale industrial processes, and other low-to-medium vacuum needs.

7. **Quiet Operation** Gast pumps are generally quieter than some competitors, reducing noise in sensitive environments like medical or office settings.

---

### **Cons**

1. **Limited High-Vacuum Capability** At 1/6 HP, this pump is not designed for ultra-high vacuum applications (e.g., semiconductor manufacturing or advanced scientific research). It may struggle with very high flow rates or extreme vacuum demands.

2. **Single-Phase Motor (115V)** The 115V requirement limits its use to standard single-phase electrical setups. If you need a 230V or three-phase pump, this model won t work without additional conversion equipment.

3. **Potential for Oil Contamination Risks** While the gauge trap helps, some users report that over time, oil can still seep into connected systems if not properly maintained. Regular oil changes are necessary to prevent clogging or system damage.

4. **Noise Under Heavy Load** While generally quiet, prolonged use at maximum capacity may produce more noise than expected, which could be an issue in noise-sensitive environments.

5. **Replacement Parts Availability** While Gast parts are widely available, some specialized components (e.g., seals, gauges) may require ordering from the manufacturer, leading to potential downtime if not stocked.

6. **Not Ideal for Continuous Heavy-Duty Use** This pump is better suited for intermittent or moderate-duty applications. Continuous high-load operation may reduce its lifespan if not properly cooled and maintained.

7. **Limited Warranty Coverage** Standard warranties on industrial pumps like this often exclude damage from misuse, improper installation, or neglect. Always check the warranty terms before purchase.

---

### **Conclusion**

The **Gast 5KH33DN16HX** is a solid choice for users needing a **reliable, mid-range vacuum pump** for applications like dental suction, laboratory equipment, or light industrial processes. Its **durability, gauge trap feature, and compact design** make it a practical option for moderate vacuum demands. However, it is **not suitable for high-vacuum or continuous heavy-duty use**, and its **115V single-phase requirement** restricts its compatibility with certain electrical setups.

If your application involves **low-to-moderate vacuum needs, occasional use, or space constraints**, this pump is a **good investment**. For **high-flow, high-vacuum, or continuous-duty requirements**, a larger or more specialized pump (e.g., 1 HP or higher, or a two-stage pump) would be a better fit.

---

### **Recommendation**

- You need a **dependable, mid-sized vacuum pump** for dental, lab, or light industrial use.

- Your setup requires **115V single-phase power**.

- You prioritize **compact size and ease of maintenance**.

- Your vacuum demands are **not extreme** (e.g., not below 25 inHg or requiring ultra-high purity).

- You require **higher vacuum levels** (e.g., below 10 inHg) or **continuous heavy-duty operation** opt for a **higher HP pump (e.g., 1/2 HP or 1 HP)**.

- Your electrical setup uses **230V or three-phase power** check for compatible models.

- You need **oil-free operation** consider dry vacuum pumps instead.

- Your application involves **highly sensitive environments** (e.g., cleanrooms) ensure proper filtration and maintenance protocols are in place.

**Final Verdict:** This pump is a **cost-effective, practical solution** for many standard vacuum applications but may fall short for specialized or extreme demands. Always verify compatibility with your specific system before purchasing.

Details:

Pump runs smoothly and pulls vacuum. Unit has been powered on and tested.

part #: 5kh33dn16hx prices

• $195.00-$399.90

specifications valvplu:

• brand: Gast
• mpn: 5kh33dn16hx
• type: Vacuum Pump
• unit type: Unit
• country of origin: United States

seller valvplu:

• # reviews: 181
• rating: 98.9%
• city: Circle Pines, Minnesota

offer valvplu:

• sold: 0
• options: Ship-to-home
• started: April 9, 2026
• best offers: True
• availability: In Stock
• quantity: 2

shipping valvplu:

• cost: $25.64
• service: UPS Ground, FedEx Ground / FedEx Home Delivery, FedEx 2Day
• transit: 2-6 Days
• type: Calculated
• carrier: UPS, FedEx
• class: Standard, Expedited

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
• condition: Used

payments valvplu:

• credit card: Diners-club
• other
• wallet: Paypal

returns valvplu:

• method: Money back
• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

Gast 5KH33DN16HX Is Similar To:

• 71r645-p112p-d306x Gast New Air Motor Hp (23.9% similar) And of course after looking at the photos if you any questions please feel free to...(August 10th, 2018)
• 00a-p125-aa Gast Compressor Vacuum Pump (29.6% similar) Comes as shown. Used items have a 30-DAY return. No means to test further. Has some cosmetic wear. Powers up, suction works. Comes from a reliable source...(October 24th, 2018)
• 0113934773 Gast Vacuum Generator (31.5% similar) These are typically larger items. And 3:00 PO...(March 6th, 2018)
• 0211-v103 Gast Model Air Vacuum Pump Motor Hp Rpm (44.8% similar) Please feel free to contact me for as quote but do so Upton 24 hours before the offer ends. Gast model 0211-V103 air vacuum pump motor 1/6 hp, 115 v, 1725 rpm this listing is for a used that comes as you see pictured and noted above. My goal is your satisfaction. I just plugged this in and it runs. ...(June 1st, 2018)
• 0211-v122-284 Gast Rotary Vacuum Pump Compressor Volts (35.4% similar) Most items are available for expedited shipping if needed. Any order placed after 9:00. Never used or hooked up. Please bid accordingly. If you happen to have an issue with item. Virgin islands. Comes exactly as shown in the attached photographs. Gast 0211-V122-284 oil-less rotary vacuum pump ...(May 1st, 2018)
• 0211-v122-284x Gast Rotary Vacuum Pump Compressor Single Phase (40.6% similar) This does not represent a guarantee or warranty about the items functionality beyond what is depicted in photos. Comes exactly as shown in the attached photographs. Any order placed after 9:00. Gast 0211-V122-284X oil-less rotary vacuum pump compressor 1/4 hp single phase new old stock testing ...(May 1st, 2018)
• 0211-v138-g8cx Gast Nuarc M35 Vacuum (23.2% similar) For more high quality equipment. 4HZ 60PH 1TIME ration cont great working condition. All pictures are of actual item. Gast narc vacuum pump compressor WITH1 6 hp heavy duty Emerson motor model 0211-V138-G8CXM35SERIAL M35 A91-015 motor, model SA55JXGTD-4144HP 1/6 115VRPM 1725A...(January 30th, 2018)
• 0211-v138-gxcx Gast Vacuum Pump W (33% similar) Guarantee non-DOA unless stated as parts or repair untested. During that period, response rate might be slow. Shipping within the 48 contiguous USA is available for sure. Cord needed. Box delivery is accepted for small item no APO FPO. Return is accepted for all tested and working item. Feel free to...(November 15th, 2017)
• 0211-v207 Gast Electric Vacuum Vac Pump Volt (33.3% similar) Gast 0211-V207 electric vacuum vac pump 115 volt...(January 6th, 2019)
• 0211-v222-g8c Gast Hp Rotary Vane Vacuum Pump Rpm (32% similar) 3 cfm max flow rate. Ship to the lower 48 states. Has a 30 day money back guarantee horsepower, 1725 rpm, 20 psi max pressure, this pump has been used a lot, it still seams to work well...(May 27th, 2018)
• 0211-v36a-g8c Gast Used Vacuum Pump (32.4% similar) Unit shows some cosmetic wear see photos fast shipping...(March 26th, 2018)