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NH3 (Anhydrous Ammonia) Bleeder Valves | Continental NH3

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NH3 (Anhydrous Ammonia) Bleeder Valves


nh3 bleeder valves

A-411-HB bleed down valve. Very similar to a 1/4" bleeder valve but with a hose barb on it so you can attach a 3/8” hose to it and run the hose to another location so when you open the valve the ammonia vents in a remote location. Great for bleeding nurse tank connections and heat exchanger. Run the hose to the back of the nurse wagon or applicator and vent the ammonia away from you.

A-411 & A-411-S

nh3 bleeder valves

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NH3 (anhydrous ammonia) bleeder valves, Catalog No. A-411 and A-411-S, allow your choice of T-handle or knurled screw. They are designed to bleed-off trapped liquid or vapor NH3 or LPG in hose valves, couplings and piping. Also for installation in tanks as 85% liquid level gauge. Construction features include stainless steel body and screw, exclusive wiper O-ring which virtually eliminates undesirable flashing on operator, and a tapped inlet for installation of a dip tube. Screw is staked into body to prevent loss by vibration.


Catalog No. A-410 is the same valve with a 12 dip tube factory installed.

nh3 bleeder valve

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Ordering Information

Bleeder Valves Ordering Information
Catalog Number Pipe Thread Size Feature
A-411-HB 1/4" 3/8" Hose Barb
A-411 1/4" T - Handle
A-411-S 1/4" Knurl Handle
410 1/4" 12" dip tube installed

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