Beer Hop Gun– Commercial Closed-Loop Dry Hopping Tank for Craft Breweries
The Beer Hop Gun is a pressurized, food-grade stainless steel dry hopping device that recirculates cold beer through a hop chamber to extract maximum aroma with minimal oxidation. Designed for fermenters and bright tanks, it replaces messy open dry-hopping with a sealed CO₂-purged loop—ideal for IPA, NEIPA, pale ale, and hazy craft beer production.
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Applications
- Cold-side dry hopping in fermenters or brite tanks after primary fermentation
- Hop aroma infusion for IPA, Double IPA, NEIPA, Pale Ale, Session IPA
- Late hop / biotransformation hopping during active fermentation (day 2–4)
- Fruit, botanical & spice infusion (citrus peel, juniper, wood chips, tea) in closed loop
- Oxygen-sensitive batches where traditional open dry-hop causes DO pickup
- Pilot brewery to 50bbl+ commercial lines (50L / 100L / 150L / 200L / 300L / 500L)
Product Parameters
| Parameter | Specification |
| Product Name | Beer Hop Gun / Hop Cannon / Dry Hop Addition Tank |
| Material | SUS304 or SUS316L, food-grade, mirror polish Ra ≤ 0.8 μm (interior) |
| Usable Volume | 50 L / 80 L / 100 L / 150 L / 200 L / 300 L / 500 L (custom) |
| Design Pressure | 2 bar / 3 bar (29–43 psi), pressure-relief valve equipped |
| Working Pressure | 0.5–2 bar CO₂ head pressure |
| Inlet / Outlet | 1.5″ / 2″ / 3″ Tri-Clamp, DN32–DN50 butterfly valve optional |
| Hop Filter | Candle / wedge-wire screen, 80–200 μm (pellet-retention) |
| CO₂ Purge Port | Yes, with gas regulator & check valve |
| Sight Glass | 1–2 pcs pressure-rated sight glasses |
| CIP System | Top rotary spray ball, full drain, CIP/SIP compatible |
| Temp. Range | 0–25 °C (cold-side); optional glycol jacket for 0–10 °C |
| Pump Match | Sanitary centrifugal or diaphragm pump (not included / optional) |
| Surface Finish | Inner 2B or mirror; outer brushed 304 |
| Legs / Frame | Mobile frame with casters or fixed legs |
| Standards | FDA food contact, ISO welding, optional PED / CE |
| Voltage (auto model) | 220V / 380V / 415V, 50/60Hz (if with pump & PLC) |
Key Features
01
Closed-loop CO₂-purged circuit
Beer never touches air, DO pickup minimized
02
Tangential inlet + hop candle
Creates whirlpool turbulence for fast oil extraction
03
Sanitary 304/316L construction
Mirror-polished, no dead legs, CIP-ready
04
Top manway hop loading
Add pellets/whole cones without opening fermenter
05
Sight glass + pressure gauge
Monitor dissolution and pressure live
06
Modular capacity
50L pilot units to 500L commercial scales
07
Multi-use infuser
Hops, fruit, herbs, wood chips in one sealed vessel
08
Compatible with existing cellar
Connects to fermenter/bright tank via Tri-clamp & pump
Why Brewers Buy It
+20–40% hop utilization vs open dry-hop
Same aroma with less hops
Hours instead of days
Typical cycle 90–180 min contact + short rest, not 5–7 days
Lower oxidation risk
Sealed CO₂ blanket protects NEIPA haze & aroma
Less beer loss
No hop trub soaking in tank, recover 5–10% volume
Cleaner tank turnover
fermenter frees faster, more batches per month
Consistent flavor profile
Repeatable contact time, pressure, temp = batch-to-batch stability
Safer labor
No climbing into tanks, no hop dust, no hot wort exposure
Export-stable quality
Aromatic compounds preserved, shelf life extended
How It Works
- Purge hop gun with CO₂, load pellet hops via top manway
- Equalize pressure with target fermenter/bright tank
- Pump cold beer from tank → tangential inlet → through hop bed
- Hop essential oils & terpenes dissolve in turbulent flow
- Filtered beer returns to tank; solids stay in candle
- After target aroma (sensorial or timed), push remaining beer out with CO₂
- CIP spray ball cleans chamber; ready for next batch
frequently asked questions
1
Q: What is a beer hop gun used for in a brewery?
A: A hop gun is a sealed stainless steel vessel that circulates finished or fermenting beer through hops to extract aroma without adding bitterness or oxygen. It is mainly used for cold-side dry hopping of IPA and craft ales.
2
Q: Hop gun vs dry hopping directly in tank?
A: Open dry hopping exposes beer to oxygen and loses 5–10% volume to hop absorption. A hop gun uses a CO₂-closed loop, cuts contact time to hours, and improves hop oil yield by 20–40%.
3
Q: Can a hop gun be used for fruit or spices?
A: Yes. Many breweries use the same closed loop for citrus peel, berries, juniper, tea, or oak chips.
4
Q: What size hop gun do I need?
A: Rule of thumb: 1 kg hops per 100 L beer, chamber net volume 10–15% of batch. 100L gun fits 10–20bbl softly; 200–300L suits 30–50bbl systems.
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Jinan Supermax Machinery Co., Ltd is a professional manufacturer of beer brewing equipment.
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Phone: +86 8571-8800
Email: info@jnsupermax.com
WhatsApp: +86 159 64005904
Address: Room B013, 309 East Area, F3, Building 9, Jinan Dia Shuangchuang Industrial Park, 2566 Century Avenue, Jinan High-tech Zone, Shandong, China.