21-AR and 21-312AR/VAR Fixed Pivot Ball Float Air/Gas Vents

Description

For pressures to 600 psig (41 bar) or specific gravity down to 0.83

21-AR—A small, economical air vent of high quality. It uses a single lever with a fixed pivot and viton seat, ensuring tight shutoff.

21-312 AR/VAR—Forged steel version of the Model 21 with a larger float and higher leverage.
Available with screwed, socketweld or flanged connections.

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For pressures to 600 psig (41 bar) or specific gravity down to 0.83

21-AR—A small, economical air vent of high quality.
It uses a single lever with a fixed pivot and viton seat, ensuring
tight shutoff.

21-312 AR/VAR—Forged steel
version of the Model 21 with a larger float and higher leverage.
Available with screwed, socketweld or flanged connections.



 

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For help in specifying the exact model you need, download the product literature.

Product Literature 

 

Installation and Maintenance 

 

Submittal Drawing 

21-AR and 21-312AR/VAR Fixed Pivot Ball Float Air/Gas Vents – Product Literature (PDF)

No PDF available for download.

No. 21AR and No. 21-312 AR Air Vent – Installation and Maintenance (PDF)

No PDF available for download.

Model 21-AR Fixed Pivot Air/Gas Vents – Installation and Maintenance (PDF)

No PDF available for download.

Series 21-312 AR and VAR Fixed Pivot Air/Gas Vents – Installation and Maintenance (PDF)

No PDF available for download.

21-LD & 21-AR TRAP – Submittal Drawing (PDF)

No PDF available for download.

21 LD/21-AR – Submittal Drawing (PDF)

No PDF available for download.

21/312 AR/VAR – Submittal Drawing (PDF)

No PDF available for download.

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