Samson Corporation 347120 PumpMaster4 5:1 Universal Stub Pump w/ Bung Adapter
- Part #:347120
- Model #:PumpMaster4
- Condition:Brand New

Overview
This heavy-duty and versatile lubricant dispensing solution, the Samson Corporation 347120 PumpMaster4 5:1 Universal Stub Pump with Bung Adapter, is designed for efficient and reliable distribution of lubricants in medium to large-scale installations. Engineered for applications involving multiple outlets and simultaneous dispensing, this air-operated pump provides powerful and consistent performance. The 5:1 pressure ratio ensures a high flow rate of fluids with minimal air consumption, optimizing efficiency. This pump is compatible with a wide range of lubricants, including synthetic and mineral-based oils, transmission fluid, hydraulic oil, and gear lube. The included 2" NPTM adjustable bung adapter simplifies mounting on drums and tanks, and a built-in port is available for an optional pressure relief valve (PN 609 007). Ideal for auto dealers, service shops, fast lube centers, agriculture, mining, construction, and industrial settings, the PumpMaster4 enhances productivity and reduces downtime.
Key Features
- 5:1 Pressure Ratio: Delivers a high flow rate of fluids with minimal air consumption, maximizing efficiency.
- Double-Acting Air Motor: Provides consistent and powerful operation for smooth and effortless dispensing.
- Universal Stub Pump Design: Offers easy installation and use with various tanks and drums.
- Versatile Lubricant Compatibility: Suitable for synthetic and mineral-based oils, transmission fluid, hydraulic oil, and gear lube.
- 2" NPTM Adjustable Bung Adapter: Allows for secure and convenient mounting on drums and tanks.
- Built-in Port for Optional Pressure Relief Valve (PN 609 007): Enhances safety and control.
- Durable Construction: Built with high-quality materials to withstand demanding industrial environments.
- Reliable Performance: Proven design ensures long-lasting use and dependability.
Specifications
Brand: Samson Corporation
Model: 347120
Type: PumpMaster4 5:1 Universal Stub Pump
Pump Type: Double Acting Air Operated Medium Pressure
Pressure Ratio: 5:1
Bung Adapter: 2" NPTM Adjustable
Optional Accessory: Pressure Relief Valve (PN 609 007)
Fluids Handled: Synthetic and mineral-based oil, transmission fluid, hydraulic oil, gear lube
Applications
Ideal for professional technicians and maintenance personnel in auto dealerships, service shops, fast lube centers, agriculture, mining, construction, and industrial facilities. Suitable for dispensing lubricants in medium to large-scale installations with multiple outlets and simultaneous operations. Essential for maintaining equipment, reducing downtime, and improving productivity in demanding environments.
Performance and Characteristics
The Samson 347120 PumpMaster4 5:1 Universal Stub Pump delivers powerful and efficient lubricant dispensing with its 5:1 pressure ratio and double-acting air motor. This design ensures a high flow rate with minimal air consumption, maximizing productivity. The universal stub pump design and adjustable bung adapter simplify installation and use with various tanks and drums. Its compatibility with a wide range of lubricants and the optional pressure relief valve enhance versatility and safety. Built for durability and reliability, this pump is designed to withstand the rigors of industrial use.
Additional Information
This PumpMaster4 pump is engineered to provide efficient and reliable lubricant dispensing in demanding industrial settings. The 5:1 pressure ratio ensures optimal performance, and the double-acting air motor delivers consistent power. The inclusion of a 2" NPTM adjustable bung adapter simplifies installation, and the availability of an optional pressure relief valve adds an extra layer of safety and flow control. The durable construction and proven design ensure long-lasting use and dependability, making this pump a valuable asset for professionals needing a robust and versatile lubricant dispensing solution.
Optimize your lubricant dispensing operations with the Samson 347120 PumpMaster4. Shop Now!

- You May Also Like
- Your Recently Viewed
- Reviews
Pump Pressure Ratio | 5:1 |
Air Pressure Operating Range | 20-140 psi (1.5-10 bar) |
Air Consumption | 14 scfm (400 NL/min) Air consumption with 90 psi (6 bar) air inlet pressure and 85 cycles per minute |
Maximum Fluid Outlet Pressure | 700 psi (50 bar) |
Air Motor Diameter | 3 1/2" (88 mm) |
Air Motor Effective Diameter | 2 1/2" (60 mm) |
Air Motor Stroke | 4" (100 mm) |
Delivery at 235 cpm | 2.7 gpm (10 l/min) |
Maximum Free Flow Delivery | 6.6 gpm (25 l/min) Maximum free delivery at 100 psi (7 bar) |
Air inlet | 3/8" NPT(F) |
Fluid inlet(stub pump only) | 1" NPT(F) |
Fluid outlet | 3/4" NPT(F) Adaptor 2065 3/4"M x 1/2"F is included with the pump |
Wetted Materials | Aluminum / Steel / Polyurethane / NBR / PTFE |
Noise Level | Pump noise level meets OSHA requirements at all recommended operating air pressures |
Leave a review of this product!
If you've used this product, please leave a review to tell us and other customers what you thought about it. Get paid up to $16 for submitting one of the first text, photo, or video reviews for this item. Please contact us for more details.
Write a text review
Earn $2.00Post a product photo
Earn $4.00Post a product video
Earn $10.00