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 Description Usually Ships Price Code Order
A-270
Ships: 2-3 Weeks
Price: $5.70
Brass test port plug with 1/4" NPT process connection. 2-3 Weeks $5.70 Order
A-271
Ships: 2-3 Weeks
Price: $6.20
Brass test port plug with 1/2" NPT process connection. 2-3 Weeks $6.20 Order
A-272
Ships: 2-3 Weeks
Price: $28.25
SS test port plug with 1/4" NPT process connection. 2-3 Weeks $28.25 B Order
A-273
Ships: 2-3 Weeks
Price: $50.50
SS test port plug with 1/2" NPT process connection. 2-3 Weeks $50.50 B Order
A-274
Ships: 2-3 Weeks
Price: $16.75
Brass adapter with 1/4" female NPT for use with 1/4" male NPT gage. 2-3 Weeks $16.75 Order
A-323
Ships: Same Day
Price: $4.00
Elbow compression fitting, brass 1/8" NPT to 1/4" metal tubing. Same Day $4.00 Order
A-324
Ships: Same Day
Price: $4.00
Compression fitting, brass 1/8" NPT to 1/4" metal tubing. Same Day $4.00 Order
A-326
Ships: Same Day
Price: $4.70
Compression fitting, brass 1/8" NPT to 3/8" tubing. Same Day $4.70 Order
A-327
Ships: Same Day
Price: $8.20
5/16" nylon tube union. Same Day $8.20 Order
A-328
Ships: Same Day
Price: $8.20
1/4" nylon tube union. Same Day $8.20 Order
A-329
Ships: Same Day
Price: $5.90
1/8" NPT close coupled street ell, brass. Same Day $5.90 Order
A-330
Ships: Same Day
Price: $3.10
1/8" pipe plug, socket hex, plated steel. Same Day $3.10 Order
A-331
Ships: Same Day
Price: $8.80
1/8" NPT filter vent plug, nylon and sintered metal. Same Day $8.80 Order
A-332
Ships: Same Day
Price: $3.00
Brass adapter, 1/8" female NPT to 1/4" male NPT. Same Day $3.00 Order
A-333
Ships: Same Day
Price: $4.90
Bushing, brass, 1/8" to 1/2" NPT. Same Day $4.90 Order
A-334
Ships: Same Day
Price: $3.10
Close nipple, brass, 1/8" NPT. Same Day $3.10 Order
A-336
Ships: Same Day
Price: $4.00
90° street ell, brass, 1/8" NPT. Same Day $4.00 Order
A-337
Ships: Same Day
Price: $3.10
Coupling, brass, 1/8" NPT. Same Day $3.10 Order
A-338
Ships: Same Day
Price: $18.75
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
Ships: Same Day
Price: $3.90
Adapter, brass, 1/8" NPT to 3/16" rubber and 1/8" ID plastic tubing. Same Day $3.90 Order
A-340
Ships: Same Day
Price: $3.10
Adapter, nylon, 1/8" NPT to 3/16" ID rubber or 1/4" plastic tubing. Same Day $3.10 Order
A-342
Ships: Same Day
Price: $3.10
"T" assembly, plastic, for 3/16" ID rubber or 1/4" plastic tubing. Same Day $3.10 Order
A-343
Ships: Same Day
Price: $3.10
"T" assembly, plastic, for 3/16" plastic tubing. Same Day $3.10 Order
A-343-1
Ships: Same Day
Price: $3.10
"T" assembly, plastic, for 1/8" ID plastic tubing. Same Day $3.10 Order
A-344
Ships: Same Day
Price: $4.80
Terminal tube, brass, 1/4" diameter tube, 8" length. Same Day $4.80 Order
A-345
Ships: Same Day
Price: $8.10
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
Ships: Same Day
Price: $7.90
"T" compression fitting, brass, 1/4" metal tubing. Same Day $7.90 Order
A-349
Ships: Same Day
Price: $4.70
Reducer, brass, 1/4" female NPT to 1/8" male NPT. Same Day $4.70 Order
A-385
Ships: Same Day
Price: $3.40
1/2" plastic hole plugs, 20/bag. Same Day $3.40 Order
A-386
Ships: Same Day
Price: $7.60
5/16" metal hole plugs, 20/bag. Same Day $7.60 Order
A-398
Ships: Same Day
Price: $24.50
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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