5" Storz x 4.5" NH (NST) Female Adapter Aluminum Storz x Female You don't need couplings because

You don't need couplings because you just want to clamp your hose onto a pipe

25 FEET LIFT - 500-1000 GALLONS PER HOUR

If you're in heavy industry sector

There is NO stronger fire hose than a Rubber Nitrile Fire Hose

5" Storz x 4.5" NH (NST) Female Adapter Aluminum Storz x Female You don't need couplings becauseSpecifications Storz Side 1 5 Storz Female Side 2 4. 5 NH (NST) Female (National Hose National Standard Thread) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236 8. 1 Through 8. 2 USDA