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Federal Pump Corp.
                                                                                          Motors, Pumps, Controls, Drives, Hoists

AMERICAN STANDARD CAST IRON
PIPE FLANGES 
(SCREWED COMPANION FLANGES)
SECTION 8 
PAGE X-46

SUCTION & DISCHARGE CONNECTIONS
ALL FEDERAL END SUCTION PUMPS (EXCEPT 1-1/4CC, 1-1/4CCB, 1-1/4CCF AND 1-1/4CCY) AND HORIZONTALLY SPLIT CASE PUMPS HAVE FLANGED SUCTION AND DISCHARGE CONNECTIONS. ALL OF THESE CONNECTIONS ARE 125# CONNECTIONS EXCEPT THE 2-1/2SSC PUMP WHICH HAS A 250# DISCHARGE CONNECTION. FOR INSTALLATION OF THESE PUMPS, FURNISH THE SUCTION AND DISCHARGE OF THE PUMP WITH AN AMERICAN STANDARD CAST IRON PIPE FLANGE (ALSO CALLED SCREWED COMPANION FLANGE) PLUS THE REQUIRED GASKET, BOLTS AND NUTS (OR, IN THE CASE OF SOME SUCTION CONNECTIONS, CAPSREWS). THE REQUIRED AMERICAN STANDARD CAST IRON PIPE FLANGES ARE AS FOLLOWS:

MATERIAL:   CAST IRON (ALSO AVAILABLE IN BRONZE OR MALLEABLE IRON).
CENTER CONNECTION:   SCREWED (ALSO AVAILABLE FOR WELDED CONNECTION).
NOMINAL PRESSURE RATING:   125 PSI (ALSO AVAILABLE 250 PSI).
PRESSURE RATING:   125 PSI (SATURATED STEAM), 175 PSI (LIQUID AND GAS AT 150ºF).
APPLICABLE STANDARDS:    FLANGE DIMENSIONS - ASA B16.1   
                                                    THREAD DIMENSIONS - ASA B2.1
                                                    CAST IRON MATERIAL - ASTM A126 CLASS B
                                                    MALLEABLE IRON MATERIAL - ASTM-A-47 GRADE 32510
                                                    FLANGE DIMENSIONS - FEDERAL SPEC. WW-F-406A
                                                    ASA = AMERICAN STANDARDS ASSOCIATION
                                                    ASTM = AMERICAN SOCIETY FOR TESTING AND MATERIALS

 

NOMINAL PIPE SIZE

DIA. OF FLANGE (OD)

MIN. THICK'S OF FLG. (Q)

DIA.OF BOLT CIRCLE (D)

NO OF BOLTS

NOM. BOLT DIA.

DIA.OF BOLT CLEARANCE HOLE

EST. LGTH. OF BOLT

ID X OD
 OF RING GASKET

1

4-1/4

7/16

3-1/8

4

1/2

5/8

1-3/4

1 x 2-5/8

1-1/4

4-5/8

1/2

3-1/2

4

1/2

5/8

2

1-1/4 x 3

1-1/2

5

9/16

3-7/8

4

1/2

5/8

2

1-1/2 x 3-3/8

2

6

5/8

4-3/4

4

5/8

3/4

2-1/4

2 x 4-1/8

2-1/2

7

11/16

5-1/2

4

5/8

3/4

2-1/2

2-1/2 x 4-7/8

3

7-1/2

3/4

6

4

5/8

3/4

2-1/2

3 x 5-3/8

4

9

15/16

7-1/2

8

5/8

3/4

3

4 x 6-7/8

5

10

15/16

8-1/2

8

3/4

7/8

3

5 x 7-3/4

6

11

1

9-1/2

8

3/4

7/8

3-1/4

6 x 8-3/4

8

13-1/2

1-1/8

11-3/4

8

3/4

7/8

3-1/2

8 x 11

NOTE: ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE NOTED.