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1、 泥浆闸阀（参考信息，由 全息精密硬质合金 提供，仅供参考）泥浆闸阀分为钢芯泥浆和胶芯泥浆闸阀两种，主要用于石油，天然气开采中的钻井泥浆管汇切断介质使用，也可用于石油化工以及其他工业性的高压管汇使用。泥浆阀，属于高压阀门技术领域。该阀包括有进、出液端的阀体，阀体的进、出液端之间的阀座中装有平板闸板，平板闸板的上端与阀杆衔接，所述阀杆与手轮通过螺纹副连接，其改进之处在于：阀座由包覆橡胶的两圆环内骨架及支撑环构成通道，其水平截面呈长轴与液流方向一致的椭圆形，嵌装在阀体进、出液端之间的盲孔中，包覆橡胶的两圆环内骨架之间留有宽度小于平板闸板厚度的圆弧槽。由于椭圆形截面的阀座与阀体上的盲孔形成过盈配合，
2、减少与阀体大面积过赢，因此产生了理想的密封效果，而阀座中的圆环内骨架则长期保持着阀座的基本形状，使其具有足够的使用寿命。泥浆闸阀主要用于油矿井泥浆循环系统设备,用于控制泥浆流通与关闭,连接型式为梯形螺纹连接,LCSG螺纹连接,焊接式连接,刚性强,安全可靠,阀座与闸板平行式弹性密封,密封效果好,开启方便. 通径234压力（Mpa） 35端距（mm）210280330连接形式油壬Tr120*6Tr150*6Tr180*8性能描述 钢芯泥浆闸阀属平行式单闸板闸阀，靠金属闸板及阀座形成密封，其闸板，阀座表面喷焊耐磨硬质合金，弹性原件采用特殊材料，使该阀具有密封性好，其工作表面既抗腐蚀有耐磨的特点，以保
3、证在高压介质下能很好地工作。 胶芯泥浆闸阀其橡胶阀座中夹有金属物，比较耐用，尤其在输送介质有沙粒的情况下适用。MUD GATE VALVE ( METAL TO METAL SEALING)The union ends mud gate valve is mainly used for drilling mud circulating system in oil field, It is used to control the flowing and stopping of mud. It is joined by trapezoid thread connection, It is quic
4、k and convenient to fix the equipment.The equipment has strong rigidity is safe and reliable, The union ends mud gate valve seat and gate are sealed by means of parallel-type Metal to Metal Sealing, The effection of sealing is good,It is convenient to open, The two ends of the valve and pipes are jo
5、ined and staled with sphericalmovement,The movable connection of the rubber seal ring like O is not of high requirement about straightness of the two ends of pipes, When is is fitted and its seal performance is very good.SPECIFICATIONManufactured and Tested in Accordance with API Spec 6AForged Steel
6、 Body and BonnetAPI 6A PSL 1, 2 and 3 availableValve seat and gate are sealed by Metal to Metal SealingLow Operating TorqueQuick Release Hand WheelFactory Pressure Tested in Accordance with API.6ACan be supplied with Flanged End Connections, Hammer Union Ends,Threaded Connections or Butt Weld EndsMaterial Classes DD, EE, FF, to NACE MR-01-75Available with Pressure Ratings 3000psi, 5000psi and 10000psi in 2, 3, 4 5 Valve SizesAPPLICATIONSOil and Gas linesWellheadsManifolds and PipelinesCrude Oil and Sour GasWell Treating Chemicals
