Flomatic Valves - 4201ESVFD - Model 100EVFD 1" The IM-540 is designed for

The IM-540 is designed for burial from 6" to 48" of cover without special backfill in most conditions

Trench drain & grate come in 48" (4 feet) sections that can be cut down to 12"

3-Year Warranty

1 1/4" X 1" 100MSSVFD - All stainless steel male x female threaded check valve body features patented VFD design with stainless steel spring

Flomatic Valves - 4201ESVFD - Model 100EVFD 1" The IM-540 is designed forFlomatic Valves 1" 80EVFD 100EVFD ENVIRO CHECK body casting unleaded bronze with threaded female connections. 80 style has hex on both ends and 100 style has hex on body for easy wrenching . The valve features a high strength patented guide and poppet and spring with a NITRILE (Buna N) seal. Temp Max: 180F (80C) Pressure Max: 400 PSI ** 2" & 2 1 2" sizes require stainless steel retaining ring for horizontal installation add S before VFD see part