Performance Charts

Performance Charts

Performance Charts

Bolt-through Diaphragms

125 (0.86, 8.6)

100 (0.70, 7.0)

Fluid Pressure

Approximate Cycles per Minute

25

50

75

100

125

 

A

 

 

 

 

B

 

 

 

Operating Air Pressure

A

125 psi (0.86 MPa, 8.6 bar)

B

100 psi (0.7 MPa, 7.0 bar)

C

70 psi (0.48 MPa, 4.8 bar)

D

40 psi (0.28 MPa, 2.8 bar)

PSI (MPa, bar)

75 (0.52, 5.2)

50 (0.34, 3.4)

25 (0.17, 1.7)

0

0

 

C

 

 

 

 

D

 

 

 

40

80

120

160

200

(151)

(303)

(454)

(606)

(757)

Fluid Flow — gpm (lpm)

How to Read the Charts

1.Locate fluid flow rate along bottom of chart.

2.Follow vertical line up to intersection with selected operating air pressure curve.

3.Follow left to scale to read fluid outlet pressure (top chart) or air consumption (bottom chart)

scfm (Nm3/min.)

Air Consumption

Approximate Cycles per Minute

25

50

75

100

125

175

 

 

 

 

(5.0)

 

 

 

 

140

 

 

 

 

(4.0)

 

 

 

 

 

 

A

 

 

105

 

B

 

 

(3.0)

 

 

 

70

 

C

 

 

(2.0)

 

 

 

 

D

35

(1.0)

0

0

40

80

120

160

200

 

(151)

(303)

(454)

(606)

(757)

Fluid Flow — gpm (lpm)

20

3A2578B

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Graco 3A2578B Performance Charts, Bolt-throughDiaphragms, Fluid Pressure, Air Consumption, Operating Air Pressure A