
FLX7903-200275 by FlexFab | Series 7903 | 4-ply Reducer | 2.00"/2.75" ID | 2.39"/3.14" OD | Blue | 6" Overall Length
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Silicone Elbows & Reducers
Series 7903 4-Ply Reducers
Straight silicone reducers with 4 plies of meta-aramid reinforcement, in standard 6" lengths — for coolant or charge air connections between two pipe sizes.
1
What are these reducers used for?
- Coolant hose connections
- Charge air connector (CAC) connections
- Heavy-duty pressure connections in hostile engine environments
- Resists hardening, cracking, cold leaks, aging and many chemicals
2
What are the key specifications?
Construction
Silicone hose with 4 plies of meta-aramid reinforcement
Standards
Meets or exceeds SAE J20 R1 Class A and TMC RP303B Class I Grade II
Temperature Range
-65°F (-54°C) to +500°F (+260°C)
Wall Thickness
Standard wall, .170" / .220"
Working Pressure
1/3 of the burst pressure
Length
Standard 6"
3
Which sizes are available?
| Part Number | Inside Diameter (Small / Large) | Outside Diameter (Small / Large) | Overall Length | Burst Pressure — SAE J20 R1 | Burst Pressure — TMC | Weight | Lined Worm Gear Clamp (Small / Large End) | Constant Tension Clamp (Small / Large End) |
|---|---|---|---|---|---|---|---|---|
| FLX7903-100125 | 1.00"/1.25" | 1.39"/1.64" | 6.00" | 275 PSI | 125 PSI | 0.50 lbs | FLX2582-0016 / FLX2582-0020 | FLX2584-0175 / FLX2584-0212 |
| FLX7903-100150 | 1.00"/1.50" | 1.39"/1.89" | 6.00" | 250 PSI | 125 PSI | 0.50 lbs | FLX2582-0016 / FLX2582-0024 | FLX2584-0175 / FLX2584-0212 |
| FLX7903-100175 | 1.00"/1.75" | 1.39"/2.14" | 6.00" | 225 PSI | 125 PSI | 0.50 lbs | FLX2582-0016 / FLX2582-0028 | FLX2584-0175 / FLX2584-0262 |
| FLX7903-100200 | 1.00"/2.00" | 1.39"/2.39" | 6.00" | 200 PSI | 100 PSI | 0.50 lbs | FLX2582-0016 / FLX2582-0032 | FLX2584-0175 / FLX2584-0262 |
| FLX7903-125200 | 1.25"/2.00" | 1.64"/2.39" | 6.00" | 200 PSI | 100 PSI | 0.50 lbs | FLX2582-0020 / FLX2582-0032 | FLX2584-0175 / FLX2584-0262 |
| FLX7903-150200 | 1.50"/2.00" | 1.89"/2.39" | 6.00" | 200 PSI | 100 PSI | 0.50 lbs | FLX2582-0024 / FLX2582-0032 | FLX2584-0212 / FLX2584-0262 |
| FLX7903-175200 | 1.75"/2.00" | 2.14"/2.39" | 6.00" | 200 PSI | 100 PSI | 0.50 lbs | FLX2582-0028 / FLX2582-0032 | FLX2584-0262 / FLX2584-0262 |
| FLX7903-200225 | 2.00"/2.25" | 2.39"/2.64" | 6.00" | 175 PSI | 100 PSI | 0.50 lbs | FLX2582-0032 / FLX2582-0036 | FLX2584-0262 / FLX2584-0312 |
| FLX7903-200250 | 2.00"/2.50" | 2.39"/2.89" | 6.00" | 150 PSI | 100 PSI | 0.50 lbs | FLX2582-0032 / FLX2582-0040 | FLX2584-0262 / FLX2584-0312 |
| FLX7903-200275 | 2.00"/2.75" | 2.39"/3.14" | 6.00" | 125 PSI | 100 PSI | 0.50 lbs | FLX2582-0032 / FLX2582-0044 | FLX2584-0262 / FLX2584-0362 |
| FLX7903-200300 | 2.00"/3.00" | 2.39"/3.39" | 6.00" | 100 PSI | 100 PSI | 0.50 lbs | FLX2582-0032 / FLX2582-0048 | FLX2584-0262 / FLX2584-0362 |
| FLX7903-225250 | 2.25"/2.50" | 2.64"/2.89" | 6.00" | 150 PSI | 100 PSI | 0.50 lbs | FLX2582-0036 / FLX2582-0040 | FLX2584-0312 / FLX2584-0312 |
| FLX7903-225275 | 2.25"/2.75" | 2.64"/3.14" | 6.00" | 125 PSI | 100 PSI | 0.50 lbs | FLX2582-0036 / FLX2582-0044 | FLX2584-0312 / FLX2584-0362 |
| FLX7903-225300 | 2.25"/3.00" | 2.64"/3.39" | 6.00" | 100 PSI | 100 PSI | 0.50 lbs | FLX2582-0036 / FLX2582-0048 | FLX2584-0312 / FLX2584-0362 |
| FLX7903-250275 | 2.50"/2.75" | 2.89"/3.14" | 6.00" | 125 PSI | 100 PSI | 0.50 lbs | FLX2582-0040 / FLX2582-0044 | FLX2584-0312 / FLX2584-0362 |
| FLX7903-250300 | 2.50"/3.00" | 2.89"/3.39" | 6.00" | 100 PSI | 100 PSI | 0.50 lbs | FLX2582-0040 / FLX2582-0048 | FLX2584-0312 / FLX2584-0362 |
| FLX7903-250350 | 2.50"/3.50" | 2.89"/3.89" | 6.00" | 75 PSI | 100 PSI | 0.50 lbs | FLX2582-0040 / FLX2582-0056 | FLX2584-0312 / FLX2584-0412 |
| FLX7903-275300 | 2.75"/3.00" | 3.14"/3.39" | 6.00" | 100 PSI | 100 PSI | 0.50 lbs | FLX2582-0044 / FLX2582-0048 | FLX2584-0362 / FLX2584-0362 |
| FLX7903-300350 | 3.00"/3.50" | 3.39"/3.89" | 6.00" | 75 PSI | 100 PSI | 0.50 lbs | FLX2582-0048 / FLX2582-0056 | FLX2584-0362 / FLX2584-0412 |
| FLX7903-300400 | 3.00"/4.00" | 3.39"/4.39" | 6.00" | 50 PSI | 100 PSI | 0.50 lbs | FLX2582-0048 / FLX2582-0064 | FLX2584-0362 / FLX2584-0462 |
| FLX7903-350400 | 3.50"/4.00" | 3.89"/4.39" | 6.00" | 50 PSI | 100 PSI | 0.50 lbs | FLX2582-0056 / FLX2582-0064 | FLX2584-0412 / FLX2584-0462 |
| FLX7903-400500 | 4.00"/5.00" | 4.39"/5.39" | 6.00" | — | — | 0.50 lbs | — | FLX2584-0462 / FLX2584-0562 |
Specifications for reference only. Specific test data available on request.
Additional Product Data:
Series:
Color(s):
Internal Diameter:
Outer Diameter:
MAWP:
41
Tubing Construction:
Cover Construction:
Specifications and Approvals:

