Optional constructions allow material compatibility with NACE MR0175/ISO 15156 and NACE MR0103. Contact your Emerson Process Management sales office for details.316 stainless steel packing box parts are standard (including packing flange, studs, and nuts)Compliance with the Clean Air Act—Optional ENVIRO-SEAL packing systems provide an improved stem seal to help prevent the loss of process fluid. The ENVIRO-SEAL packing systems feature PTFE, Graphite ULF, or Duplex packing with live-loading for reduced packing maintenance.Valve Plug Stability— Rugged cage guiding provides high valve plug stability, which reduces vibration and mechanical noise.More Flow Capacity for Initial Investment— Streamlined flow passages in the the ED, EAD, and EDR valves provide excellent capacities and flow.Balanced Valve Plug Construction— Balanced valve plug construction permits use of smaller, lower-cost Fisher actuators. Also, trim inventory costs are cut because dimensional standardization permits use of most standard easy-e trim parts. 

◆◆◆◆◆◆◆◆◆上海能炽公司核心业务分类说明◆◆◆◆◆◆◆◆◆◆◆

1>◆:FISHER品牌：FISHER燃气减压阀，FISHER燃气调压器，FISHER燃气调压阀，FISHER工业调压器，FISHER液体调压器，FISHER泄压阀，FISHER氮封阀，FISHER安全阀，FISHER放散阀，FISHER背压阀，FISHER背压阀，FISHER保位阀，FISHER控制调节阀，FISHER气动调节阀，FISHER电动调节阀，FISHER阀笼，FISHER阀位指示器，FISHER指挥器，FISHER阀芯，FISHER皮膜等.

2>◆:TARTARINI品牌：TARTARINI燃气调压器，TARTARINI燃气减压阀，TARTARINI安全阀，TARTARINI调节阀，TARTARINI控制阀，TARTARINI切断阀，TARTARINI阀位指示器，TARTARINI指挥器,TARTARINI皮膜，TARTARINI阀口垫，TARTARINI阀位指示器等

3>◆:KIMRAY品牌：KIMRAY高压调压器，KIMRAY中压调压器，KIMRAY气动调节阀，KIMRAY球阀，KIMRAY压力表，KIMRAY皮膜，KIMRAY填料,KIMRAY维修包等

4>◆:BELGAS品牌：BEGLAS高压调压器，BELGAS中压减压阀，BELGAS背压阀，BELGAS控制阀，BELGAS皮膜，BELGAS配件等.