Assembly Instructions
www.fernco.com
SHIELDED COUPLINGS
33
United States
PH: 810-653-9626
FX: 810-653-8714
Canada
PH: 519-332-6711
FX: 519-332-8610
07/08
Heavy Duty No-Hub
Standard No-Hub
Medium Duty No-Hub
No-Hub Couplings - For drain, waste & vent piping.
PART
NUMBER SIZE
CLAMPS PER
COUPLING
INSTALL TORQUE
(inch pounds)
NH-150 1-1/2” 2 60
NH-22 2” 2 60
NH-33 3” 2 60
NH-44 4” 2 60
NH-55 5” 4 60
NH-66 6” 4 60
NH-88 8” 4 60
NH-1010 10” 4 60
NH-1212 12” 6 120
NH-1515 15” 6 120
REDUCING SIZE NO-HUB
NH-215 2” x 1-1/2” 2 60
NH-32 3” x 2” 2 60
NH-42 4” x 2” 2 60
NH-43 4” x 3” 2 60
PART
NUMBER SIZE
CLAMPS PER
COUPLING
INSTALL TORQUE
(inch pounds)
HD-150 1-1/2” 4 80
HD-22 2” 4 80
HD-33 3” 4 80
HD-44 4” 4 80
HD-55 5” 6 80
HD-66 6” 6 80
HD-88 8” 6 80
HD-1010 10” 6 80
PART
NUMBER SIZE
CLAMPS PER
COUPLING
INSTALL TORQUE
(inch pounds)
MD-150 1-1/2” 4 80
MD-22 2” 4 80
MD-33 3” 4 80
MD-44 4” 4 80
MD-55 5” 6 80
MD-66 6” 6 80
MD-88 8” 6 80
MD-1010 10” 6 80
The distinctive yellow shield quickly identies
the Medium-Duty MD Couplings and makes
it easier for inspectors. 5/16” hex-head screw
applies 80 in.-lbs. of installation torque to the
band/shield assembly.
The distinctive green shield quickly identies
the Heavy-Duty HD Couplings and makes
it easier for inspectors. 3/8” hex-head screw
applies 80 in.-lbs. of installation torque to the
band/shield assembly. Boasts an ultimate
torque rating exceeding 100 in.-lbs. and
heavier gauge stainless steel.
5/16” hex-head screw applies 60 in.-lbs.
of installation torque to the band/shield
assembly.
Standard No-Hub Couplings conform to CISPI 310. Couplings
comply with ASTM C 1277. Gaskets are made from an elastomeric
compound that meets the requirements of ASTM C 564.
Heavy Duty No-Hub Couplings conform to CISPI 310, Factory
Mutual CN 1680, ASTM C 1540. Gaskets are made from an elastomeric
compound that meets the requirements of ASTM C 564.
Medium Duty No-Hub Couplings conform to CISPI 310. Cou-
plings comply with ASTM C 1277. Gaskets are made from an elasto-
meric compound that meets the requirements of ASTM C 564.