8
Dixon Sanitary 2014
800.789.1718
Clamp Fittings
A
Clamps
Single Pin Squeeze Clamps -
13
MHHM-Q
Single Pin Heavy Duty Clamps with Cross Hole Wing Nut -
13
MHHM
Single Pin Heavy Duty Clamps with Serrated Wing Nut -
13
MHHM***SN
Tube
OD
Service Pressure
Rating @ 70°F
1
Service Pressure
Rating @ 250°F
1
A
Part Number
½" - ¾"
1500
1200
1.062
13
MHHM50-75SN
1" - 1½"
500
300
2.122
13
MHHM100-150SN
2"
450
250
2.654
13
MHHM200SN
2½"
400
200
3.185
13
MHHM250SN
3"
350
175
3.717
13
MHHM300SN
4"
300
150
4.820
13
MHHM400SN
5"
225
100
5.820
13
MHHM500SN
6"
150
75
6.695
13
MHHM600SN
8"
100
50
8.695
13
MHHM800SN
1
wing nut tightened to 25 in. lb. of torque
Double Pin Heavy Duty Clamps -
13
MHHM-DP
Tube
OD
Service Pressure
Rating @ 70°F
1
Service Pressure
Rating @ 250°F
1
A
Part Number
1" - 1½"
500
300
2.122
13
MHHM-DP100150
2"
450
250
2.654
13
MHHM-DP200
2½"
400
200
3.185
13
MHHM-DP250
3"
350
175
3.717
13
MHHM-DP300
4"
300
150
4.820
13
MHHM-DP400
10"
100
50
10.740
13
MHHM-DP1000
1
wing nut tightened to 25 in. lb. of torque
Tube
OD
Service Pressure
Rating @ 70°F
1
Service Pressure
Rating @ 250°F
1
A
Part Number
½" - ¾"
1500
1200
1.062
13
MHHM50-75
1" - 1½"
500
300
2.122
13
MHHM100-150
2"
450
250
2.654
13
MHHM200
2½"
400
200
3.185
13
MHHM250
3"
350
175
3.717
13
MHHM300
4"
300
150
4.820
13
MHHM400
5"
225
100
5.820
13
MHHM500
6"
150
75
6.695
13
MHHM600
8"
100
50
8.695
13
MHHM800
1
wing nut tightened to 25 in. lb. of torque
Tube
OD
Service Pressure
Rating @ 70°F
1
Service Pressure
Rating @ 250°F
1
A
Part Number
½" - ¾"
1500
1200
1.062
13
MHHM-Q75
1" - 1½"
500
300
2.122
13
MHHM-Q100150
2"
450
250
2.654
13
MHHM-Q200
2½"
400
200
3.185
13
MHHM-Q250
3"
350
175
3.717
13
MHHM-Q300
4"
300
150
4.820
13
MHHM-Q400
1
wing nut tightened to 25 in. lb. of torque
Tale of Two Clamps video
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Service pressure ratings are based on the following parameters: matching elastomer gaskets and weld ferrules properly aligned
and assembled with the clamps tightened to the required torques. Tests are done hydrostatically with no water hammer or
shock loads. Please note the pressure ratings of the described unions may be above the recommended pipe line operating
pressures.