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GTR BTS Flushing System

Konrad308

Plastic
Joined
Nov 10, 2018
Good day

Do any of you know thd GTR BTS flushing system? I see PTG has ig on their website and was interested to hear how it works.

Regards

Konrad

Sent from my SM-G960F using Tapatalk
 
I checked out the PTG link. Doesn't look like you get much for your $150. Looks very similar to my home-made system. I used a carbonator pump ($50 on ebay), and a Deublin rotary union ($25 ebay) and then just some tubing and a bucket from Lowes. I modified my pump with a lighter spring to give about 20 psi (v. the 150 psi it put out as it was) and that was about it. I use Houghton HOCUT 795MP-RHS water based coolant.

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Where did you get that fine, precision machined, green cutting fluid redirection device???
 
I checked out the PTG link. Doesn't look like you get much for your $150. Looks very similar to my home-made system. I used a carbonator pump ($50 on ebay), and a Deublin rotary union ($25 ebay) and then just some tubing and a bucket from Lowes. I modified my pump with a lighter spring to give about 20 psi (v. the 150 psi it put out as it was) and that was about it. I use Houghton HOCUT 795MP-RHS water based coolant.

KMO94iVMFR7CnTU3ZQCvcm8HhVcZQT4fUzbI4F8pZz8of_gKgALY03AmtJHooTfyQYCN7IhmRy73DPWyCfy1NE32bM2YPNL_P886GSZ2Z2XTFmxO2sjDo-9Oy4gfwuerZtQSwCtadX6-zg1sfY04-2jZW3MvZygLvc1Mgc0kOQgUXJDGoPuQ_TdWX-MivPsWMpHVXRzqY8bZoTuLvUf-lf7zzgt6P_BfYiRumRgXwd9unTv7rYO8MIrP07hxIPzvIoXd4eViIu4OmRCSF4MiX7ibTOt68nSqM-uMmDKVDHtA7GrihZLgXiITnN6mmyTtCROSBsacX1BxqXBwaHZ4fiUEgKvss2izFAP3UZMV4Q_wF5PzxMc_lmg9FbcXTydyxR3ILncz65svj5ApfxOT2_Qal6I7z6ON2Nc68P7FZgZbPOCAi3rKjW8MccB9h0h-4wS6xaKCyjdMDKLXDXznLr6OftiwT7RKUHvPjUmBmIJ-AFtvEOTOyrRux7KFNNoPYBH1lStba_uYzfLcU3VYv5osmm-fovgj131ebI1Mg-fyEkqPDIMRXz2osdEyyCAUsqOUpZMuSmbgFwJup-Q6HQgOg1kAzSi9HIi2JYuQA8MdtBxNSCZzCnHVAdXn5Yk7Sam56LiMWBkRNyRJhO3QrQ_6p__6gLVwlLHdURY5cKeyFJWb0e7PDIEDevGiAXdq3GOIupWRvk38j4cdHUyh-_cKnA=w1024


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Thank you for the info and photos.

Sent from my SM-G960F using Tapatalk
 
Good day.

So i made a rotary coupler using some stainless steel, a bearing and an oil seal. It works great and lo leaks.

Here is a photo.

For now i use some tubing and hose clamps to connect to the coupler.

Regards

Konrad
9aa1a1ae38c9d3812d42ebe3f8944c9e.jpg


Sent from my SM-G960F using Tapatalk
 
I switched from a Gre-Tan to a generic Deublin rotary coupler. I drill/tap the muzzle end of the blank for 1/4" NPT. Much better flow, more secure, and it puts the sacrificial first inch of the muzzle to use. If I need to set a barrel back, I have cutoffs with the pipe thread remaining that are threaded to screw on 1/2-28 or 5/8-24 muzzles.
 
I switched from a Gre-Tan to a generic Deublin rotary coupler. I drill/tap the muzzle end of the blank for 1/4" NPT. Much better flow, more secure, and it puts the sacrificial first inch of the muzzle to use. If I need to set a barrel back, I have cutoffs with the pipe thread remaining that are threaded to screw on 1/2-28 or 5/8-24 muzzles.

This is also how I do it as well. works great and never leaks and can spin 1200rpm with no hose clamp wobbling all over the place.
 
You running a carbide reamer? Never heard of running HSS at that high a speed.

I doubt he’s chambering at that speed, but on shorter barrels, I have my flush system hooked up start to finish. I clamp the RPMs at 4500 but I have tested my flush to 6000 RPM and could get away with it just fine.
 
You running a carbide reamer? Never heard of running HSS at that high a speed.

I don't chamber at 1200rpm, normally around 220rpm. But I have hooked up the muzzle flush system being taped and centered it doesn't wobble or give me any vibration when turning the tenon at 1000rpm and threading at 360rpm. Also I cut the small chamfer on the chamber with a carbide boring bar and spin it at 1000rpm with the muzzle coupler still hooked up.


heres the one I used and its super cheap, I use a brass 1/4 by 1/8 NPT bushing to thread into the barrel. SS 9SS04MP25XFP25-Z- - Super Swivel - 1/4" Male Pipe X 1/4" Female Pipe - 90 Deg | eBay
 
Here is some more pics.
5bca2bb7abdf2d2be88474d831c7c97c.jpg
749ba13a8ab9ffb71cdcb3e99fb0a118.jpg


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This one i made cost me $6 to make and maybe an hour om my lathe. It works great. I have not used it faster than 300rpm. I chamber between 40 and 50rpm so dont really see a need for anything better. The rubber tube is a bit floppy but works and is quick to install. Sometimes when you rechamber there is no extra barrel length to sacrifice so the tube comes in handy there.

A big thank you to everyone for the comments and photos. Much appreciated.

Regards

Konrad

Sent from my SM-G960F using Tapatalk
 
I tried the airline swivel and it worked for a little bit but eventually started to leak, its not really meant to be spun like that and the seals wore out quick.
 








 
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