INTRODUCTION

●  Metal seal technology applied between valve seat and valve plate, valve seat and valve body.
●  The shoulder of valve stem backface seal bonnet so as to isolate filling cavity, which makes it possible to replace valve stem sealing under pressure.
●  Bi-directional seal technology applied for the valve plate and valve seat so as to extend service life.
●  Reliable seal for the valve seat, valve plate and valve guide, and very easy to repair at well site.
●  Non-rising design, and operation of valve doesn’t change pressure in valve cavity

PARAMETERS

●  Bore：1-13/16”~7-1/16”
●  Pressure Class：2000~20000psi
●  Material Class：AA ～ HH
●  Temperature Class：K ～ V    X / Y
●  Product Specification Class：PSL 1～4
●  Performance Class：PR 1、2