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NL4970: Marine Wet Exhaust & Coolant - Corrugated Hardwall R2

NL4970: Marine Wet Exhaust & Coolant - Corrugated Hardwall R2

NL4970 is a flexible, low pressure, hardwall corrugated coolant and marine wet exhaust hose (meets or exceeds SAE J2006 type R2) that provides a tighter bend radius and lower "effort to bend" as compared to our NL4975 Hardwall Marine Exhaust (which has a smooth cover). Its thinner wall permits easy clamping in confined spaces and is designed for low pressure applications under 50 psi. This hose is not designed for use in oily environments or with petroleum based products (refer to our NL4940 Multi-Flex). It is resistant to heat, weathering, ozone, antifreeze, and abrasion.

Construction: Tube: Black EPDM rubber. Cover: Wrapped, corrugated, black EPDM rubber. Reinforcement: Steel wire helix between plies of synthetic fabric.

Typical Fittings: N68 T-bolt clamps, N73/N75/N77 Mikalor clamps.

Temperature Range: -40°C (-40°F) to +100°C (212°F)

Detail Comments: Typical Fittings/Clamps: N68 T-bolt clamps, N73/N77 Mikalor clamps.

Cut Method: Sawzall or Hacksaw & Side Snips for Wire-Wear Safety Gloves

NL4970-150 1-1/2" CORRUGATED MARINE COOLANT/EXHAUST (1.81" OD)
C - Stock / Moderate Qtys Available 0.48 lbs
NL4970-175 1-3/4" CORRUGATED MARINE COOLANT/EXHAUST (2.06" OD)
C - Stock / Moderate Qtys Available 0.55 lbs
NL4970-188 1-7/8" CORRUGATED MARINE COOLANT/EXHAUST (2.19" OD)
NL4970-200 2" CORRUGATED MARINE COOLANT/EXHAUST (2.31" OD)
B - Stock / Common, Used Often 0.63 lbs
NL4970-225 2-1/4" CORRUGATED MARINE COOLANT/EXHAUST (2.56" OD)
C - Stock / Moderate Qtys Available 0.74 lbs
NL4970-238 2-3/8" CORRUGATED MARINE COOLANT/EXHAUST (2.69" OD)
C - Stock / Moderate Qtys Available 1.01 lbs
NL4970-250 2-1/2" CORRUGATED MARINE COOLANT/EXHAUST (2.81" OD)
B - Stock / Common, Used Often 0.83 lbs
NL4970-275 2-3/4" CORRUGATED MARINE COOLANT/EXHAUST (3.06" OD)
C - Stock / Moderate Qtys Available 1.05 lbs
NL4970-300 3" CORRUGATED MARINE COOLANT/EXHAUST (3.41" OD)
B - Stock / Common, Used Often 1.20 lbs
NL4970-350 3-1/2" CORRUGATED MARINE COOLANT/EXHAUST (3.94" OD)
B - Stock / Common, Used Often 1.50 lbs
NL4970-400 4" CORRUGATED MARINE COOLANT/EXHAUST (4.41" OD)
B - Stock / Common, Used Often 1.80 lbs
NL4970-450 4-1/2" CORRUGATED MARINE COOLANT/EXHAUST (4.94" OD)
B - Stock / Common, Used Often 2.05 lbs
NL4970-500 5" CORRUGATED MARINE COOLANT/EXHAUST (6.08" OD)
C - Stock / Moderate Qtys Available 3.21 lbs
NL4970-550 5-1/2" CORRUGATED MARINE COOLANT/EXHAUST (6.58" OD)
NL4970-600 6" CORRUGATED MARINE COOLANT/EXHAUST (7.12" OD)
C - Stock / Moderate Qtys Available 4.75 lbs
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