Editorial Review:

Used with metal or plastic ductwork

The Jet 4-Inch Blastgate improves your dust collection system. Blast gates are used to control airflow from one machine to another, maximizing system efficiency. These 4-inch OD ABS plastic blast gates have a textured surface and an easy sliding-gate action, and feature a two-degree tapered fit for easy hookup. This Blastgate can be used with metal or plastic ductwork.

Customer Reviews:

Avg. Customer Rating: 2.5 / 5.0

HORRIBLE! STAY AWAY:

I'm an occasional woodworker and currently replacing all 5 of my Jet blast gates - typical reasons...they clog with dust and therefore can't be fully closed. 2 of mine have also come apart (the front panel piece came unglued).
This product is a lemon.

Pop rivets hold the two halves together, on my blast gates...:

Jet JW1007 4-Inch Blast Gate
These Woodstock International blast gates are identical to the ones I began using over 20 years ago. This same blast gate is sold by countless vendors; Jet is just one of many.
They are inexpensive and work acceptably, although they leak a little air when closed.
They have three parts, the two halves (glued together) with the movable gate in the middle. The two halves on all of my Woodstock gates eventually came unglued. Some lasted a couple of years, and one... more info

GET A SELF CLEANING ONE:

THEY WORK FINE BUT FILL UP WITH DUST PARTICLES. YOU HAVE TO TAKE THEM OFF THE HOSES AND CLEAN THEM WITH A SMALL DRILL BIT. GET ONE THAT IS SELF CLEANING. WORTH THE DIFFERENCE IN PRICE

Plastic junk:

Blastgates require periodic cleaning. Problem: chips collect in the two channels where the gate slides and as you close the gate, the chips get packed into the channels and the gate won't fully close. The metal version blastgate has screws and disassembles for cleaning. These plastic gates must be broken at the welds. Then what? Don't waste your money and time on these cheap plastic gates. For a few dollars more, the metal blastgates are well worth it as they are assembled with screws.

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