The 24K905 PTFE/Santoprene Two-Piece Diaphragm Kits from Graco that include:

1 x FlexDie

One (1) connector ring is supplied with fan assemblies as standard

Long-Life Pump

Meets requirements for NFPA 33 and NEC Article 516

W2.1L Bolt-On Unloader w/ Injector 70 ft. The 24K905 PTFE/Santoprene Two-Piece DiaphragmFEATURES: Trapped Pressure control set bolt on unloader Reduces cost by eliminating the need for fittings and bypass hose Compact design features forged brass body and hardware Versatile, mounts in seconds to either side of pump manifold Trapped pressure type adjustable unloader valve with internal bypass system Built in chemical injector includes variable metering adjustment SPECIFICATIONS: Maximum Pressure: 3000 PSI Maximum Flow: 4. 5 GPM Maximum