Dave's Pump Service, Inc

 

Table per NFPA#20

Pump Capacity GPM

Suction Pipe

Discharge

Relief Valve

Relief Valve Waste Pipe

Flow Meter

Waste Cone

Outside Hose Header

Pipe Between Header & Pump

# of 2 1/2 Hose Valves

150

2 1/2

2 1/2

2

2 1/2

3

2 x 2 1/2

2 1/2

2 1/2 +

1

200

3

3

2

2 1/2

3

2 x 2 1/2

2 1/2

2 1/2 +

1

250

3 1/2

3

2

2 1/2

3 1/2

2 x 2 1/2

3

3+

1

300

4

4

2 1/2

3 1/2

3 1/2

2 1/2x3 1/2

3

3+

1

400

4

4

3

5

4

3x5

4

4+

2

450

5

5

3

5

4

3x5

4

4+

2

500

5

5

3

5

5

3x5

4

4+

2

750

6

6

4

6

5

4x6

6

6+

3

1000

8

6

4

8

6

4x8

6

6+

4

1250

8

8

6

8

6

6x8

8

8+

6

1500

8

8

6

8

8

6x8

8

8+

6

2000

10

10

6

10

8

6x10

8

8+

6

2500

10

10

6

10

8

6x10

10

10+

8

3000

12

12

8

12

8

8x12

10

10+

12

3500

12

12

8

12

10

8x12

12

12+

12

4000

12

12

8

14

10

8x14

12

12+

16

4500

16

14

8

14

10

8x14

12

12+

16

5000

16

14

8

14

10

8x14

12

12+

20

 

Pump Gauges: Suction and Discharge 3 1/2 Minimum face diameters, 1/4 connection.

Automatic Release Valves: 1/2"

Umbrella Cocks ( For Manual Units Only) : 1/2"

 

Circulation Relief Valve : 3/4" up to 2500 GPM , 1" 3000 GPM and Higher

Ball Drip Valve: 1/2"

+ Increase one pipe size if run is over 15'

 

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