Instruction manual Design314 Design4.1 Pressure reducing valve1 Cap 8 Compression piece2 Locking nut 9 Retaining ring3 Spindle/adjusting screw 10 Diaphragm4 Spring retainer 11 Piston5 Bonnet assembly (top part) * 12 Body6 Inner spring 13 O-rings7 Outer spring 14 Inner bodyDiaphragm, O-rings, diaphragm washer, inner body and piston constitute thecartridge.* graphicidentification forpressure reduction (-)orpressure increase (+)1231146512109813147