We recently had a problem with our MiniKing keg cleaner not completing its cycles, and I found that one of our cellarman had noticed the keg coupler leaking, and had swapped it out with a spare keg coupler we had from our taproom. He didn't realize that there was a difference between the couplers made for keg cleaning and regular couplers. So I thought I'd show some pictures of the difference in case anyone else had the same issue down the road.
This is the right one. The parts are made of stainless, there is no pressure relief port, and the interior of the coupler body has been machined out to allow for more flow out of the gas-out port.
This is a pretty cheap keg coupler not designed for keg cleaning. The spear is made of chrome-plated brass, there is a pressure relief port, and the interior of the coupler body has not been machined out. On our keg washer, this coupler will cause problems with the cycle completing in time, and you also don't get enough flow to adequately wash the keg.
This is the right one. The parts are made of stainless, there is no pressure relief port, and the interior of the coupler body has been machined out to allow for more flow out of the gas-out port.
This is a pretty cheap keg coupler not designed for keg cleaning. The spear is made of chrome-plated brass, there is a pressure relief port, and the interior of the coupler body has not been machined out. On our keg washer, this coupler will cause problems with the cycle completing in time, and you also don't get enough flow to adequately wash the keg.
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