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Shark Guard - 2.5" or 4"

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Forum topic by becikeja posted 09-03-2018 02:54 PM 1778 views 0 times favorited 11 replies Add to Favorites Watch
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becikeja

1003 posts in 3236 days


09-03-2018 02:54 PM

Considering the purchase of a Shark Guard dust port for my PM1000 table saw.
Trying to weigh the option between the 2.5” and 4” port.
The 4” port and required hose appears to be heavy and hard to deal with over the saw.
The 2.5” port appears much easier to mount and deal with.
How much suction are you really giving up? Does it make that much of a difference?

-- Don't outsmart your common sense


11 replies so far

View eflanders's profile

eflanders

326 posts in 2273 days


#1 posted 09-03-2018 03:17 PM

Personally I went 4”. My thinking was that I already had 4” to my machine and that the added suction would be a plus. I am glad I didn’t go with the smaller hose as stuff still gets past it!

View Fred Hargis's profile

Fred Hargis

5595 posts in 2916 days


#2 posted 09-03-2018 03:45 PM

It de[pends o your collector, but you may be giving up quite a bit. I went with 4”, and can’t imagine having a smaller connection. Actually, I though Lee quit making the smaller ones. I’m a little surprised to hear they are available.

-- Our village hasn't lost it's idiot, he was elected to congress.

View GrantA's profile

GrantA

1619 posts in 1830 days


#3 posted 09-03-2018 03:49 PM

He still makes all sizes, you can even get an extra and have both sizes. I got 4” but haven’t used it yet, I’ll have either 5 or 6” in my unisaw cabinet and the 4” on top. Should work great with the 5hp cyclone I’m building but i can’t imagine it would with my HF dust collector! Lots of variables as you see

View AandCstyle's profile

AandCstyle

3214 posts in 2680 days


#4 posted 09-03-2018 09:53 PM

Becikja, Fred is correct that it depends on your dust collector. I have the 4” port, as well, but I have a 3hp DC with 6” PVC as close to the saw as possible, then 5” flexible tubing to the saw’s ports and finally reduce that to 4”. Does your DC move enough air to accommodate two 4” ports?

-- Art

View becikeja's profile

becikeja

1003 posts in 3236 days


#5 posted 09-04-2018 01:21 AM

My DC is 1.75HP

-- Don't outsmart your common sense

View jmos's profile

jmos

916 posts in 2792 days


#6 posted 09-04-2018 12:00 PM

Personally, I would get the 2.5” port if I were using a shop vac, and the 4” port for a larger dust collection system.

I’ve had Shark Guards on my old table saw, and my new one, both with 4” ports. I’ve got a 5hp cyclone. The only time I get dust on the tablesaw is when I’m making a non-through cut, and the Shark does a much better job than the stock guards did.

-- John

View edapp's profile

edapp

283 posts in 1852 days


#7 posted 09-04-2018 01:07 PM

I use a 4” shark guard and love it. Like the others have said, if you have a dust collector moving enough air, go 4”. The hose isn’t bad to deal with, I just use a bungee chord to suspend it from my ceiling, which makes it easy to take down when I need to.

If you use a shop vac or other high pressure source, the smaller diameter is better.

View Redoak49's profile

Redoak49

4052 posts in 2411 days


#8 posted 09-04-2018 02:20 PM

I personally think that two 4” ports open on that dust collector is too much. On a 3-5 hp collector it would be fine.

View GrantA's profile

GrantA

1619 posts in 1830 days


#9 posted 09-04-2018 03:00 PM

I agree Redoak, Lee also offers a 3” port, 4&3 would be more feasible on a 1.75hp collector

View jonah's profile

jonah

2075 posts in 3721 days


#10 posted 09-04-2018 03:09 PM

I went with 2.5” for two reasons:

1) I’m using a relatively modest Delta 1.5HP collector
2) I frequently hook a shop vac above the table and the DC to the cabinet.

My setup does a phenomenal job collecting the dust from just about everything except a shave cut on the end of a board, which has always thrown a ton of dust around.

View hairy's profile

hairy

2876 posts in 3955 days


#11 posted 09-04-2018 03:28 PM

I have the 2.5”, coming off of a 4” y connector. I am pleased with the set up.

http://lumberjocks.com/topics/278993

-- My reality check bounced...

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