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Dwyer Instruments A-321

Brass safety relief valve

Instrument valves for permanent installation. They mount in part A-316, A-317, type C Manometer connections or Magnehelic® Gage and connect to metal tubing or 1/8" pipe.

Order #: A-321

Mfg Part #: A-321

$36.50 USD

$35.41 USD

 
 

Usually ships in 7-10 days

Free shipping over $250

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Compare Products in this Series

Product
Image
NAME, DESCRIPTION
AND ORDER #
Stock
Status
UNIT PRICE QTY
Dwyer Instruments A-319 Dwyer Instruments A-319

Flexible red PVC connector

Order #: A-319

Usually ships in 7-10 days

$3.40 USD

$3.30 USD

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Dwyer Instruments A-322 Dwyer Instruments A-322

Gage connector for 1/4" tubing

Order #: A-322

Usually ships in 7-10 days

$7.40 USD

$7.18 USD

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Dwyer Instruments A-310B Dwyer Instruments A-310B

3-way vent valve, plastic

Order #: A-310B

Usually ships in 7-10 days

$11.50 USD

$11.16 USD

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Dwyer Instruments A-310A Dwyer Instruments A-310A

3-way vent valve, plastic

Order #: A-310A

Usually ships in 7-10 days

$17.50 USD

$16.98 USD

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Dwyer Instruments A-317 Dwyer Instruments A-317

Gage connector, 1/8" opening

Order #: A-317

Usually ships in 7-10 days

$17.50 USD

$16.98 USD

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Dwyer Instruments A-311 Dwyer Instruments A-311

Shut off valve, brass

Order #: A-311

Usually ships in 7-10 days

$18.25 USD

$17.70 USD

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Dwyer Instruments A-318 Dwyer Instruments A-318

Gage connector, 1/4" opening

Order #: A-318

Usually ships in 7-10 days

$18.50 USD

$17.95 USD

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Dwyer Instruments A-312 Dwyer Instruments A-312

Shut off valve, brass

Order #: A-312

Usually ships in 7-10 days

$19.25 USD

$18.67 USD

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Overview :

Product Highlights

  • Brass safety relief valve, protects Magnehelic® gage or Photohelic® switch/gage against over pressure due to regulator failure, etc, opens at 10 PSI
  • Mounts in tee fitting. 1/4" NPT(M) (use two for DP application). .5" x .5" x 1.5", .10 .lb