2.5" NPT Male x 3.5" NPT Male Adapter Aluminum HA25S25F Fire & Industrial 4” NH

Fire & Industrial 4” NH (NST) x 6” NPT Double Male Fitting Anodized Aluminum

standpipe testing

B - Fold hose approximately in center of length

Change Threads From 6" NPT Pipe To 6" NPT Pipe Hex

The minimum burst test pressure when tested in accordance to NFPA 1961 on all hose up to 2

2.5" NPT Male x 3.5" NPT Male Adapter Aluminum HA25S25F Fire & Industrial 4” NHSpecifications Male Side 1 2. 5 NPT Male (National Pipe Tapered) Male Side 2 3. 5 NPT Male (National Pipe Tapered) 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