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Amtrol Parts purge valve purge air from hot water heating systems. they are a bronze combination balance and purge fitting.
Amtrol purge valves serve as balancers by adjusting diverter to desired restrictions. Diverter stops flow before it enters the
Purge Valve so water will move in one direction through the piping, purging air from the system as water is removed from
the drain and replaced by automatic fast fill valve.
B137-32
Item#:
B137-32
Manufacturer Item:
PV-2
Manufacturer:
AMTROL INC
Amtrol Parts 445 Cast Iron Air Purger, 1-1/2", 125 psi, 4" W x 6" H
- Separates air from water in closed loop hydronic heating system
- System connection sets the point of no pressure change
- 1-year warranty
- 1/8" NPT top tapping, 1/2" bottom tapping
Amtrol Parts B135-82
Amtrol Parts Diaphragm Expansion Tank 4.4 Gallon 3/4" MNPT 150 psi
Amtrol Parts B135-71
Amtrol Parts Diaphragm Expansion Tank 2 Gallon 3/4" MNPT 150 psi
Amtrol Parts B135-70
Amtrol Parts Diaphragm Expansion Tank W/444 Purger 4.4 Gallon 1/2" NPTM 100 psig
Amtrol Parts B135-68
Amtrol Parts Diaphragm Expansion Tank W/Fill Valve 2 Gallon 1/2" FNPT 100 psig
Amtrol Parts B135-60
Amtrol Parts Diaphragm Expansion Tank 4.4 Gallon 1/2" NPTM 100 psig 30 Lbs.s
Amtrol Parts B135-61
Amtrol Parts Diaphragm Type Expansion Tank 7.6 Gallon 1/2" MPT 60 Lbs.s.
- Accepts expanded water as system temperature rises
to reduce pressure build-up
- Helps reduce energy consumption and reduces system wear
- Suitable in propylene glycol applications with mixtures up to 50%
- Heavy-duty butyl/EPDM diaphragm
- Steel system connection
- Projection welded air valve
- Made in USA
Amtrol Parts B135-42
Amtrol Parts Diaphragm Type Expansion Tank 4.4 Gallon 1/2" MPT 30 Lbs.s.
- Accepts expanded water as system temperature rises
to reduce pressure build-up
- Helps reduce energy consumption and reduces system wear
- Suitable in propylene glycol applications with mixtures up to 50%
- Heavy-duty butyl/EPDM diaphragm
- Steel system connection
- Projection welded air valve
- Made in USA
Amtrol Parts B135-41
Amtrol Parts Diaphragm Type Expansion Tank 14 Gallon 1/2" MPT 90 Lbs.s.
- Accepts expanded water as system temperature rises
to reduce pressure build-up
- Helps reduce energy consumption and reduces system wear
- Suitable in propylene glycol applications with mixtures up to 50%
- Heavy-duty butyl/EPDM diaphragm
- Steel system connection
- Projection welded air valve
- Made in USA
Amtrol Parts B135-43
Amtrol Parts Diaphragm Expansion Tank Combination Package
Kit Includes:
EX-30 Extrol Tank
444 Air Purger
700-C Air Vent
1-1/4"
Kit Includes:
B135-48
Amtrol Parts Diaphragm Type Expansion Tank 2 Gallon 1/2" MPT 15 Lbs.s.
- Accepts expanded water as system temperature
rises to reduce pressure build-up
- Helps reduce energy consumption and reduces system wear
- Suitable in propylene glycol applications with mixtures up to 50%
- Heavy-duty butyl/EPDM diaphragm
- Steel system connection
- Projection welded air valve
- 1 Gallon maximum acceptance volume
- Made in USA
- 13" H x 8" Diameter
Amtrol Parts B135-40