The DC1629L/D pilot low noise control valve (steam venl valve) is a straight-throughvalve body pilot balanced spool, low nolse and multi-stage step-down sleeve regulatoror very severe service conditions. The fluid is mainly adjusted by a special bored sleeve,which provides a full stroke contnuous guide for the apool. The Hlow-closed structureansure that the valve core soat is tightly closed. The specially designed pilot balancedspool opens the valve with a smallthrust. The patented all-metal guide ring and pure metalhard seal can quarantee the GB/T4213 leakage level V under 566*C high temperatureconditions,and there is no practical temperaturelimit.
Except for the pilot valve trim, the remaining parts can be interchanged with the DC1624series regulator.
Main technical parameters