I. Availability of spare parts (generic) Name of spare parts Specification/Description markings Spare parts required for common repairs Includes all spare parts with * - *Main diaphragm 2 pieces A *Pilot valve diaphragm 2 pieces B *Pilot valve assembly Includes cartridge (DP27G and DP27GY are pilot chamber assemblies) C *Pilot valve cartridge 3 each E, F Pilot valve cartridge gasket DP27G and DP27GY are PTFE seals (6/pack) E Main valve assembly - K, L *Built-in filter - M Main valve return spring - N Pressure regulating spring Spring range 0.2-17 bar for DP27, DP27E and DP27G; spring range 0.2-3 bar for DP27Y and DP27GY (not available for DP27R) O, P *Control tube set - Q *Balance tube set - - *Body gasket 3 pieces (4/group) R, S Main valve return spring, pilot chamber retaining bolt nut, main valve body retaining bolt nut 4pcs/group T Diaphragm chamber solidification bolts and nuts 10/group for ½"-DN32; 12/group for DN40 and DN50 V Ejector Rods and Main Diaphragm Disks - Y
