4″ Discharge Hose – Heavy‑Duty Lay‑Flat

Industrial Water Pump Hose • Contractor Grade • Hawaiʻi Series

The 4‑inch discharge hose is a flexible, lay‑flat hose designed for high‑volume water discharge applications. Built for durability and portability, it’s perfect for construction, irrigation, dewatering, and emergency water transfer across Oʻahu, Maui, and the Big Island.

⚙️ Key Features

• Diameter: 4″ (inside)
• Material: Reinforced PVC or rubber blend (depending on model)
• Construction: Polyester yarn reinforcement for high burst strength
• Temperature Range: −10 °F to 150 °F
• Pressure Rating:
  • Working pressure: up to 150 PSI
  • Burst pressure: up to 450 PSI
• Couplings: Aluminum cam‑lock or threaded fittings (optional)
• Color: Blue or yellow (standard industrial)
• Length Options: 25 ft, 50 ft, 100 ft rolls
• End Type: Male × Female cam‑lock or bare ends

🛠️ Applications

• Construction site dewatering
• Pump discharge for 3″–4″ trash pumps
• Agricultural and irrigation systems
• Stormwater and flood control
• Tank and pond emptying
• Emergency water transfer