CROSS SECTION: The construction of this pilot valve is showing the whole internal components which to built the pilot curve and how to work. The pressure reducing section is composed of spool (4), spring seat(5) , reducing spring (7), return spring(6), lock washer (8), guider ring(10) , bullet (9) , piston(22), the reducing spring (7) to create the pilot pressure 8~28bar during his whole stroke in the setting, the spool(4) is pushed against to the normal position by return spring (6). Port P with adaptor ‘3’, Port 1,2,3,4,T with adaptor ‘2’.
1 Body 2 Short adaptor 3 Long adaptor 4 Spool 5 Spring seat 6 Return spring 7 Reduce spring 8 Lock Washer 9 Bullet 10 Guider ring 11 Fixing flange 12 Press flange 13 Circle flange 14 In rubber bellow 15 Rubber bellow 16 Cardon Joint 17 Selector 18 Link nut 19 Lock nut 20 Handle 21 Bent joint 22 Piston 2-28