Purosil LLC

Coolant Hose

Charge-Air

Silicone Elbows

Heater & Vacuum

Hump Hose

Turbocharger

Marine Products

EPDM Elbows

EPDM Inserts, Sleeves, & Humps

Hood Hooks

Custom Shapes

Coolant Hose - 70 Series

70 Series Silicone Coolant Hose

Description

For heavy duty pressure connections in hostile engine environments. Ideal for extreme temperatures and various pressure ranges where high performance levels are required.

Feature Benefits

  • 4-ply silicone polyester reinforced configuration.
  • Recommended for temperatures: -65° to 350°F (-53.9°C to +176.6°C).
  • Resistant to electrochemical degradation.
  • Meets and exceeds all performance and physical characteristics of SAE J20 R1, SAE J20 R1 H.T. Class A, TMC RP303B Grade I and Grade II, Mil Spec A-A-52426 and various heavy-duty OEM requirements.
  • UV and ozone resistant.
  • NOTE. Aramid reinforced hose available for higher temperature applications.
dimensional reference
Part # Hose ID Hose OD Burst Strength
Inches mm Inches mm SAE J20R1 TMC
70-025 0.25 6.35 0.62 15.80 477 125
70-031 0.31 7.95 0.69 17.40 477 125
70-038 0.38 9.65 0.75 19.10 477 125
70-050 0.50 12.70 0.87 22.15 425 125
70-062 0.62 15.75 0.99 25.20 374 125
70-075 0.75 19.05 1.12 28.50 323 125
70-087 0.88 22.35 1.25 31.80 297 125
70-100 1.00 25.40 1.37 34.85 297 125
70-106 1.06 27.00 1.44 36.45 297 125
70-112 1.13 28.58 1.50 38.02 297 125
70-125 1.25 31.75 1.62 41.20 274 125
70-131 1.31 33.35 1.69 42.80 274 125
70-138 1.38 35.05 1.75 44.50 274 125
70-150 1.50 38.10 1.87 47.55 248 125
70-162 1.62 41.15 1.99 50.60 248 125
70-175 1.75 44.45 2.12 53.90 224 125
70-187 1.88 47.75 2.25 57.20 199 100
70-200 2.00 50.80 2.37 60.25 199 100
70-212 2.13 53.98 2.50 63.42 175 100
70-225 2.25 57.15 2.62 66.60 175 100
70-238 2.38 60.45 2.75 69.90 175 100
70-250 2.50 63.50 2.87 72.95 149 100
70-262 2.62 66.55 2.99 76.00 124 100
70-275 2.75 69.85 3.12 79.3 124 100
70-287 2.88 73.03 3.25 82.47 87 100
70-300 3.00 76.20 3.37 85.65 87 100
70-312 3.13 79.38 3.50 88.82 75 100
70-325 3.25 82.55 3.62 92.00 75 100
70-338 3.38 85.73 3.75 95.17 75 100
70-350 3.50 88.90 3.87 98.35 75 100
70-362 3.63 92.08 4.00 101.52 49 100
70-375 3.75 95.25 4.12 104.70 49 100
70-400 4.00 101.60 4.37 111.05 49 100
70-450 4.50 114.30 4.87 123.75 n/a 100
70-500 5.00 127.00 5.37 136.45 n/a n/a
70-550 5.50 139.70 5.87 149.15 n/a n/a
70-600 6.00 152.40 6.37 161.85 n/a n/a
70-650 6.50 165.10 6.87 174.55 n/a n/a
70-700 7.00 177.80 7.37 187.25 n/a n/a
70-725 7.25 184.15 7.62 193.60 n/a n/a
70-750 7.50 190.50 7.87 199.90 n/a n/a
70-800 8.00 203.20 8.37 212.65 n/a n/a
70-1000 10.00 254.00 10.37 263.45 n/a n/a