Narrow Zone Pilot Controlled Liquid Actuated Coolant Control Valve

Abstract

A wire block assembly cartridge for an arrangement of solenoid operated pilot valves for operating coolant control valves in a manifold assembly for supplying a pressurized coolant to a rolling mill and having multiple wire block blocks in the manifold. The cartridge has four coolant control valves and four solenoids coils that control the four coolant control valves, and four spray nozzles. The wire block assembly cartridge can have the spray nozzles on 25 mm centers to enable spraying in narrow zones.

We claim: 
     
         1 . A wire block assembly cartridge for an arrangement of solenoid operated pilot valves for operating coolant control valves in a manifold assembly for supplying a pressurized coolant to a rolling mill and having multiple wire block blocks in the manifold comprising:
 (a) four coolant control valves;   (b) four solenoids coils that operate the four coolant control valves;   (c) four spray nozzles.   
     
     
         2 . The wire block assembly as recited in  claim 1  wherein the spray nozzles are on 25 mm centers to enable spraying in narrow zones. 
     
     
         3 . The wire block assembly as recited in  claim 1  wherein the spray nozzles are capable of producing a flow rate of 38 lpm. 
     
     
         4 . The wire block assembly as recited in  claim 1  wherein the solenoid coils are staggered and not aligned. 
     
     
         5 . A method for replacing a malfunctioning piece in a wire block assembly cartridge having a flow rate below 40 lpm for narrow zones for an arrangement of solenoid operated pilot valves for operating coolant control valves in a manifold assembly for supplying a pressurized coolant to a rolling mill and having multiple wire block blocks in the manifold comprising:
 (a) determining which cartridge has a malfunctioning piece;   (b) removing fasteners that retain the cartridge to the block assembly;   (c) removing the cartridge;   (d) locating the malfunction piece;   (e) replacing the malfunctioning piece;   (f) inserting the cartridge; and   (g) fastening the cartridge to the block assembly.