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Applications

• Automobiles, buses, mobile/off-road equipment, trucks

• Other equipment or vehicles with heating lines

Silicone Heater Hose/Heavy Wall

Series 6723 is an extruded silicone heavy wall heater hose designed to transfer high temperature coolant in heating and diesel eshaust fluid (DEF)systems on automobiles, buses, mobile/off-road equipment, trucks and any engine requiring heater or coolant lines. The hose meets or exceeds SAE J20R3 Class A requirements, with a temperature range of -65°F to +350°F (-53°C to +176°C). The multiple plies of textile reinforcement and extruded construction provide long and flexible lengths that resist coolant solutions, aging, cold leaks, cracking, delamination, ozone and peeling.

Tube: Brick red silicone
Reinforcement: Multiple high temperature textile plies
Cover: Blue silicone, glossy finish
Temp Range: -65°F to +350°F (-53° C to +176° C)
Brand Method: Impression
Brand Example: PARKER SILICONE SERIES 6723 (ID) -65°F to +350°F (DATE CODE) MADE IN USA
Max. Rec. WP 1/3 of minimum burst pressure shown in the table below
Industry Standards: SAE J20R3 Class A
Vacuum: Not recommended

 
 
Part Number ID
(in)
ID
(mm)
OD
(in)
OD
(mm)
Approx
Wt.
(lbs/ft)
Approx Wt
(kgs/ft)
Min Bend Rad
(in)
Min
Burst
Press
(psi)
Perm
Cplg
Rec
Std Pack Qty
(ft)
Stock Status
6723-0250250 0.250 6.4 0.640 16.3 0.11 1.05 0.4 250 * 250 N
6723-0375250 0.375 9.5 0.765 19.4 0.15 0.07 0.6 250 * 250 N
6723-0625050 0.625 15.9 10.15 25.8 0.27 0.12 1.5 250 * 50 Y
6723-0625100 0.625 15.9 1.015 25.8 0.27 0.12 1.5 250 * 100 Y
6723-0750050 0.750 19.1 1.140 29.0 0.29 0.13 2.4 200 HY 50 Y
6723-0750100 0.750 19.1 1.140 29.0 0.29 0.13 2.4 200 HY 100 Y
6723-1000050 1.000 25.4 1.390 35.3 0.39 1.18 4.0 175 HY 50 Y

Table Notes 
* Couplings: Refer to CrimpSource® at www.safehose.com for coupling recommendations and crimp specifications.
** Stock: "Y" indicates stocked item; "N" indicates non-stocked item. Stock status subject to change. Contact Parker Customer Service.









WARNINGS!
• Couplings attached with bands or clamps may reduce the working pressure of the hose assembly to less than the maximum rated working pressure of the hose. Refer to the NAHAD Industrial Hose Assembly Guidelines.