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5581 and 5501 Series: 4-Ply Coolant Hose

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Available in a Blue or Green Cover Stocked in 3’ Lengths

12’ Lengths Also Available (Please Call for Availability)

Part Number Reference:
FLX5581-300 (3 Foot Stick)
FLX5581-300x12 (12 Foot Stick)

Construction:

Silicone hose with 4-plies of Polyester Reinforcement

Specifications:

Meets or exceeds the operating requirements of SAE J20 R1 Class A
Meets or exceeds the operating requirements of TMC RP303B Class I Grade II
Temperature range is -65°F (-54°C) to +350°F (+177°C)
Standard Wall Thickness is .170”/.220”
Working pressure is 1/3 of the burst pressure

Applications:

For heavy duty pressure connections in hostile engine environments
Resists hardening, cracking, cold leaks, aging, and many chemicals
Ideal for extreme temperature and various pressure ranges where high performance levels are required

Blue Series Part Number	Green Series Part Number	Inside Diameter Inch MM		Outside Diameter Inch MM		Actual Burst Pressure - PSI	Burst Pressure - PSI SAE J20 R1 TMC		Weight (LB/FT)	Clamp
5581-038	5501-038	0.38	10	0.77	20	600	425	125	0.16	2582-0006
5581-050	5501-050	0.50	13	0.89	23	600	425	125	0.20	2582-0008
5581-062	5501-062	0.63	16	1.02	26	585	425	125	0.24	2582-0010
5581-075	5501-075	0.75	19	1.14	29	575	325	125	0.29	2582-0012
5581-087	5501-087	0.88	22	1.27	32	560	300	125	0.34	2582-0016
5581-100	5501-100	1.00	25	1.39	35	550	300	125	0.39	2582-0016 or 2584-0175
5581-112	5501-112	1.13	29	1.52	39	525	300	125	0.44	2582-0020 or 2584-0175
5581-125	5501-125	1.25	32	1.64	42	500	275	125	0.49	2582-0020 or 2584-0212
5581-138	5501-138	1.38	35	1.77	45	475	250	125	0.54	2582-0024 or 2584-0212
5581-150	5501-150	1.50	38	1.89	48	450	250	125	0.59	2582-0024 or 2584-0212
5581-162	5501-162	1.63	41	2.02	51	425	225	125	0.63	2582-0028 or 2584-0262
5581-175	5501-175	1.75	44	2.14	54	400	225	125	0.68	2582-0028 or 2584-0262
5581-187	5501-187	1.88	48	2.27	58	400	200	100	0.73	2582-0032 or 2584-0262
5581-200	5501-200	2.00	51	2.39	61	400	200	100	0.78	2582-0032 or 2584-0262
5581-212	5501-212	2.13	54	2.52	64	375	175	100	0.83	2582-0036 or 2584-0312
5581-225	5501-225	2.25	57	2.64	67	350	175	100	0.88	2582-0036 or 2584-0312
5581-238	5501-238	2.38	60	2.77	70	325	150	100	0.93	2582-0040 or 2584-0312
5581-250	5501-250	2.50	64	2.89	73	300	150	100	0.98	2582-0040 or 2584-0312
5581-262	5501-262	2.63	67	3.02	77	285	125	100	1.02	2582-0044 or 2584-0362
5581-275	5501-275	2.75	70	3.14	80	275	125	100	1.07	2582-0044 or 2584-0362
5581-287	5501-287	2.88	73	3.27	83	250	100	100	1.12	2582-0048 or 2584-0362
5581-300	5501-300	3.00	76	3.39	86	250	100	100	1.17	2582-0048 or 2584-0362
5581-312	5501-312	3.13	80	3.52	89	225	75	100	1.22	2582-0052 or 2584-0412
5581-325	5501-325	3.25	83	3.64	92	225	75	100	1.27	2582-0052 or 2584-0412
5581-338	5501-338	3.38	86	3.77	96	200	75	100	1.32	2582-0056 or 2584-0412
5581-350	5501-350	3.50	89	3.89	99	200	75	100	1.37	2582-0056 or 2584-0412
5581-375	5501-375	3.75	95	4.14	105	175	50	100	1.46	2582-0060 or 2584-0462
5581-400	5501-400	4.00	102	4.39	112	150	50	100	1.56	2582-0064 or 2584-0462
5581-450	5501-450	4.50	114	4.89	124	150	N/A	N/A	1.76	2582-0072 or 2584-0512
5581-500	5501-500	5.00	127	5.39	137	125	N/A	N/A	1.95	2584-0562
5581-550	5501-550	5.50	140	5.89	150	100	N/A	N/A	2.16	2584-0612
5581-600	5501-600	6.00	152	6.39	162	100	N/A	N/A	2.34	2584-0662

*Specifications for reference only. Specific test data available on request.

Available in the following hose ID sizes (3' Ft & 12' Ft Lengths):

ID Fractional (Inch)

3/8”

½”

5/8”

¾”

7/8”

1”

1-1/8”

1-1/4”

1-3/8”

1-1/2”

1-5/8”

1-3/4”

1-7/8”

2”

2-1/8”

2-1/4”

2-3/8”

2-1/2”

2-5/8”

ID Decimal (Inch)

0.38

0.50

0.63

0.75

0.88

1.00

1.13

1.25

1.38

1.50

1.63

1.75

1.88

2.00

2.13

2.25

2.38

2.50

2.63

ID Millimeter

10mm

13mm

16mm

19mm

22mm

25mm

29mm

32mm

35mm

38mm

41mm

44mm

48mm

51mm

54mm

57mm

60mm

64mm

67mm

ID Fractional (Inch)

2-3/4”

2-7/8”

3”

3-1/8”

3-1/4”

3-3/8”

3-1/2”

3-3/4”

3-7/8”

4”

4-1/2”

5”

5-1/2”

6”

ID Decimal (Inch)

2.75

2.88

3.00

3.13

3.25

3.38

3.50

3.75

3.88

4.00

4.50

5.00

5.50

6.00

ID Millimeter

70mm

73mm

76mm

80mm

83mm

86mm

89mm

95mm

99mm

102mm

114mm

127mm

140mm

152mm