Part kit, DA1-1 1/2", P2 #D18-BP2K-AE

1 pcs 210-43-4-P0148-13, DIAPHRAGM, 0.062; 7.000; 1.634

3 pcs 725-08-5-P9121-00, O-RING -121, 1.062; 1.250; 0.094

1 pcs 725-08-5-P9140-00, O-RING -140, 2.250; 2.437; 0.094

1 pcs 785-89-5-P9223-00, SEAL U-CUP -223, RADIAL SEAL

1 pcs 790-BK-5-P0187-00, SEAT, 1 1/4" and 1 1/2" DA

For regulator DA1-D40

Model DA1 Rev E Pressure Reducing Regulator, 1-1/2" Line 

Size, Sales Kit A, Bronze Body With Bronze Spring Chamber,

P2 17-4PH Stainless Steel Trim, 316L Stainless Steel Cage,

Polyurethane Seat, Neoprene Diaphragm, BUNA-N Static Seal,

Stainless Steel/PTFE U-Cup Dynamic Seal