Heated Hopper Or Hose Circulation Kit 256273 - Graco 256273 Instructions Manual

Heated Hopper or Hose Circulation Kit 256273

The kit described in this manual; includes all miscellaneous parts needed to assemble the system. There are three
options for using circulation kit 256273:
• Circulate water through the heater and only the hop-
pers. See page 8.
• Circulate water through the heater, hoppers, and
heated hose. See page 10.
Heated Hose Assembly
Order separately a heated hose assembly that meets maximum pressure and hose diameter requirements. You can
connect up to six 50 ft. (15.2 m) heated hose sections for a maximum total length of 300 ft. (91.4 m). See manual
309525.
A
Single Hose Assembly
Single Hose Assemblies
Part Maximum
Pressure Rating
psi (MPa, bar)
245840 5000 psi (34, 345)
245841 7400 psi (51, 510)
245842 5000 psi (34, 345)
245843 7400 psi (51, 510)
245844 5000 psi (34, 345)
245845 7400 psi (51, 510)
Dual Hose Assemblies
Part Maximum
Pressure Rating
psi (MPa, bar)
248118 7400 psi (51, 510)
248119 7400 psi (51, 510)
248120 7400 psi (51, 510)
248121 7400 psi (51, 510)
313259B
B
Hose Diameter Thread A
in. (mm) npt(m)
1/4 (6.35) 1/4
1/4 (6.35) 1/4
3/8 (9.53) 3/8
3/8 (9.53) 3/8
1/2 (12.7) 1/2
1/2 (12.7) 1/2
Hose Diameter Thread A
in. (mm) npt(m)
1/2 (12.7) 1/2
3/8 (9.53) 3/8
A = 1/2 (12.7) 1/2
B = 3/8 (9.53)
A = 3/8 (9.53) 3/8
B = 1/4 (6.35)
Heated Hopper or Hose Circulation Kit 256273
• Circulate water through the heater and only the
heated hose. See page 12.
A
C
Dual Hose Assembly
Thread B Approvals
npsm(f)
1/4
1/4
3/8
3/8
II 2 G
1/2
1/2
Thread B Thread C
npsm(f) npt(m)
1/2 1/2
3/8 3/8
1/2 3/8
3/8 1/4
B
D
Thread D Approvals
npsm(f)
1/2
3/8
3/8
II 2 G
1/4
5