421FS | Parker Fire Suppression Hose

    Parker 421FS Fire Suppression hose is used on automatic fire suppression equipment. The most common use of this hose is on mining fire suppression equipment.
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    Parker 421FS Fire Suppression Hose

    Specifications:  MSHA
    Inner Tube:  Synthetic rubber
    Reinforcement:  Ohio high tensile wire braid
    Cover:  Red CPE
    Temperature Range:  -40°F to +257°F (-40°C to +125°C)
    Fittings:  43 series

    Parker 421FS Fire Suppression Hose | Sizes and Specifications

    Part No

    Inside Diameter

    Outside Diameter

    Working
    Pressure

    Min
    Bend Radius

    Weight

    Coupling

     421FS

    in

    mm

    in

    mm

    psi

    MPa

    in

    mm

    lb/ft

    kg/m

    Series

    421FS-4

    1/4

    6.3

    0.53

    13

    2750

    18.9

    4

    100

    0.16

    0.24

    43

    421FS-8

    1/2

    12.5

    0.81

    21

    2000

    13.7

    7

    180

    0.29

    0.43

    43

    421FS-12

    3/4

    19

    1.09

    28

    1250

    8.6

    9.5

    240

    0.42

    0.63

    43

    421FS-16

    1

    		 25.4

     

     

    1000

    6.8

    12

    304

     

     

    43

     

     

    IMPORTANT!
    Hose and hose fittings series must be correctly matched. Using any fittings other than those specifically designated by the hose manufacturer for use with each specific hose can lead to hose assembly failure. Hose assembly failures have lead to damage, injury and death.

    WARNING: This product can expose you to chemicals including lead and/or DEHP and/or carbon black, which are known to the State of California to cause cancer or birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov