Adding a new air pump for water Pressure

Started by MSN Member, July 06, 2009, 04:40 PM

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JCMAC

Sent: 10/25/2005

  My old diaphragm air pump takes far TOO long,  so I bought a VIAIR 450C.  It is rated at 100PSI x 1.66CFM and 100% duty cycle / 20 amps max.- far more than I need for water pressure.  However, I am also adding a 2 gal air tank for tires and my race car.
  I will have two valves and two pressure regulating switches.  one position is 20-40 psi for the water.  The other is 90-110 psi for a HP air supply - and it all fits in the trunk!
  I'll take pics when it is done.
John 

some pics:    http://www.classicwinnebagos.com/forum/index.php?action=mgallery;sa=album;id=426

Cooneytoones

Sent: 10/25/2005

sounds Cool......but be careful you don't get that 100psi side accidentally hooked to the water lines.... you'll have a mess....can't wait to see the pic's when it's done...

Timmy 

Oz

Sent: 10/26/2005

This is the kind of thing that is really cool about owning old RVs.  You get these great ideas for up-grades that go beyond just replacing the original function... you can really get creative.  The only limit is your imagination and your pocketbook!

John!

- Sob
1969 D22, 2 x 1974 D24 Indians, 1977 27' Itasca

JCMAC

Sent: 11/14/2005


Normally it keeps the water pressure at 20-40 psi.  However by closing one valve and opening another + switching pressure cutoff switches, I can route 100 psi air into a 2 gal air tank for tires and to support my vintage sports car.  The pump is rated at 100 psi x 100% duty cycle and 20 amps (12VDC).

  I got most everything on Ebay: [pump $189; tank w/gauges $24, and the 20-40 psi (grey) switch about $12).  Then another $50 for valves tubing and fittings.
Note: the 20 amp, 3-way switch is yet to arrive ($15).
John