Fittings/Filters/Mufflers

A wide variety of fittings for use with most Dwyer products. Special line filters for the Magnehelic® Gage and Capsuhelic® Gage allow use with dusty environments. Particulate filters are used for Dwyer Flowmeters to keep the air clean.

The Muffler Accessory can be easily field installed to any diaphragm valve with an exhaust. Pneumatic exhaust ports are on the diaphragm valves that have dual diaphragms and the units with the integral mounted solenoid. The muffler decreases the amount of noise when the air is exhausted from the valve. Valves with dual diaphragms and an integral solenoid have two exhaust ports and will require one A-237 and one A-238.

Models & Ordering

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Model Number Description Usually Ships Price Code Order
A-270 Brass test port plug with 1/4" NPT process connection. 2-3 Weeks $5.70 Order
A-271 Brass test port plug with 1/2" NPT process connection. 2-3 Weeks $6.20 Order
A-272 SS test port plug with 1/4" NPT process connection. 2-3 Weeks $28.25 B Order
A-273 SS test port plug with 1/2" NPT process connection. 2-3 Weeks $50.50 B Order
A-274 Brass adapter with 1/4" female NPT for use with 1/4" male NPT gage. 2-3 Weeks $16.75 Order
A-323 Elbow compression fitting, brass 1/8" NPT to 1/4" metal tubing. Same Day $4.00 Order
A-324 Compression fitting, brass 1/8" NPT to 1/4" metal tubing. Same Day $4.00 Order
A-326 Compression fitting, brass 1/8" NPT to 3/8" tubing. Same Day $4.70 Order
A-327 5/16" nylon tube union. Same Day $8.20 Order
A-328 1/4" nylon tube union. Same Day $8.20 Order
A-329 1/8" NPT close coupled street ell, brass. Same Day $5.90 Order
A-330 1/8" pipe plug, socket hex, plated steel. Same Day $3.10 Order
A-331 1/8" NPT filter vent plug, nylon and sintered metal. Same Day $8.80 Order
A-332 Brass adapter, 1/8" female NPT to 1/4" male NPT. Same Day $3.00 Order
A-333 Bushing, brass, 1/8" to 1/2" NPT. Same Day $4.90 Order
A-334 Close nipple, brass, 1/8" NPT. Same Day $3.10 Order
A-336 90° street ell, brass, 1/8" NPT. Same Day $4.00 Order
A-337 Coupling, brass, 1/8" NPT. Same Day $3.10 Order
A-338 Servel adapter, brass 3/8" and 5/16" N.F., threads for gas appliances to 1/8" and 3/16" ID rubber or plastic tubing. Same Day $18.75 Order
A-339 Adapter, brass, 1/8" NPT to 3/16" rubber and 1/8" ID plastic tubing. Same Day $3.90 Order
A-340 Adapter, nylon, 1/8" NPT to 3/16" ID rubber or 1/4" plastic tubing. Same Day $3.10 Order
A-342 "T" assembly, plastic, for 3/16" ID rubber or 1/4" plastic tubing. Same Day $3.10 Order
A-343 "T" assembly, plastic, for 3/16" plastic tubing. Same Day $3.10 Order
A-343-1 "T" assembly, plastic, for 1/8" ID plastic tubing. Same Day $3.10 Order
A-344 Terminal tube, brass, 1/4" diameter tube, 8" length. Same Day $4.80 Order
A-345 Flange for mounting A-301, A-302, A-307, A-308 or 1/8" dia Pitot tubes with compression fitting when interior of duct is not accessible. Aluminum material. With gasket and sheet metal screws. Same Day $8.10 Order
A-346 "T" compression fitting, brass, 1/4" metal tubing. Same Day $7.90 Order
A-349 Reducer, brass, 1/4" female NPT to 1/8" male NPT. Same Day $4.70 Order
A-385 1/2" plastic hole plugs, 20/bag. Same Day $3.40 Order
A-386 5/16" metal hole plugs, 20/bag. Same Day $7.60 Order
A-398 Probe extension adapter for Series 640 air velocity transmitter, brass, 1/2" female NPT x 5/16" compression. Same Day $24.50 Order

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