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SHURflo 166-257-41 Beer Ace II Gas Operated Diaphragm Beer Pump with 3/8-inch Stainless Steel Quick Disconnect Barb Elbow Fittings

SHURflo 166-257-41 Beer Ace II Gas-Operated Beer Pump (3.0 GPM, 70 PSI, 3/8-inch Stainless Steel Barb Elbows Included)

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Premium Stainless Elbows Included

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Part Number:166-257-41

Premium Stainless Elbows Included: Gas-driven (CO2/Nitrogen) twin-chamber diaphragm pump delivering 3.0 GPM up to 70 PSI for long-draw draft systems. Features a straight-through flow path that isolates gas from beer, completely preventing flat pours, over-carbonation, and foaming.

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SHURflo 166-257-41 Beer Ace II Gas-Operated Draft Beer Pump

The SHURflo (Pentair) 166-257-41 Beer Ace II Pump is a commercial-grade, gas-operated solution designed specifically to handle long-draw draft beer systems and complex beverage networks. Powered by CO2, Nitrogen, or clean compressed air, this high-efficiency pump delivers the required hydraulic force to move product smoothly over extended plumbing lines without altering the carbonation level or flavor profile of the beverage.

Primary Applications

Engineered to maintain strict pour balances across demanding commercial settings, this gas-driven pump assembly is ideal for:

Long-draw commercial draft beer networks stretching from remote walk-in coolers to bar taps
High-volume stadium, hotel, and restaurant multi-dispenser beverage networks
Draft systems utilizing specialized gas blends (CO2/Nitrogen) that require constant line pressure

Advanced Product Features

Anti-Foaming Twin Chamber Layout: Employs dual-balanced diaphragms and an extended piston stroke to reduce product "shocking." This straight-through fluid path keeps flows laminate and limits breakout foam at the faucet.
Absolute Gas Isolation: The driving propellant gas never interacts or comes into contact with the liquid product. This eliminates the risk of wild over-carbonation or "flat" batches from dynamic velocity drops.
Premium Stainless Steel Elbows: Comes bundled with high-integrity, quick-disconnect 3/8-inch Stainless Steel barb elbow fittings. This minimizes footprint inside crowded keg walk-ins while offering maximum chemical life against acidic line cleaning regimens.
Extended Operating Range: Safely modulates line performance across pressure parameters ranging from 20 PSI to a stout 70 PSI max threshold to overcome immense vertical or horizontal friction heads.

Technical Specifications

Manufacturer / Brand	SHURflo (A Pentair Brand)
Model Number	166-257-41
Maximum Flow Rate	3.0 GPM (11.4 LPM)
Operating Pressure Limits	20 PSI to 70 PSI (1.4 bar to 4.7 bar)
Propellant Power Source	CO2, Nitrogen, or Dry Compressed Air
Displacement Per Cycle	2.5 oz. (74 cc)
Fluid Temperature Range	34°F to 120°F (1.1°C to 49°C)
Fittings Included	Yes (Two 3/8-inch Quick-Disconnect SS Barb Elbows)

Frequently Asked Questions (FAQ)

Q: What is the main benefit of using a SHURflo Beer Ace II pump instead of just packing a keg with high gas regulator pressure?

A: Increasing raw gas pressure directly on a keg to push it through a long-draw line will cause the beer to absorb the excess gas over time, leading to severe over-carbonation, heavy cup foaming, and wasted product. The Beer Ace II pump uses gas solely as mechanical power to push the diaphragms; it keeps line pressure high while allowing your keg regulator to remain at its perfect, balanced factory setting.

Q: What size beverage line tubing fits the included stainless steel elbow fittings?

A: The pre-packaged premium quick-disconnect elbow adapters feature 3/8-inch straight hose barbs. They fit perfectly flush into standard flexible draft lines or barrier tubing featuring a 3/8-inch Inside Diameter (I.D.). Lock them down with Oetiker stepless clamps to ensure absolute pneumatic integrity.

Q: Can I run this beverage pump using standard shop compressed air?

A: Yes, you can use compressed air, CO2, or Nitrogen. However, if using compressed air, it must be clean and completely dry. Environmental moisture or airborne tool oils from an unregulated compressor will degrade the internal pneumatic air valve seals, shorten the tool's lifespan, and void factory coverage.