Plunger valve type description

Posted by uuuseff on November 19th, 2019

Plunger valve type: I. Threaded or socket welding connection Straight-through piston valve 1, the flow channel: Straight-through 2, the valve body, the valve cover is cast steel or cast steel, plunger, stem, isolation ring Stainless steel. Seal is flexible graphite or Teflon 3, seal ring, isolation ring by the valve body and bonnet connection bolts, nuts, spring pad compression 4, by plunger outer diameter and sealing ring within the seal 5, the valve opening and closing The speed is slower II. Welded connection through the type of piston valve 1, the flow channel: Straight-through 2, the valve body, the cover material is cast steel 3, the other structural features with serial number three. Flow Path: Straight 2, the valve body, the valve cover is cast steel or cast steel, plunger, stem, isolation ring is stainless steel. Seal is flexible graphite or Teflon 3, seal ring, isolation ring by the valve body and bonnet connection bolts, nuts, spring pad compression 4, by plunger outer diameter and sealing ring within the seal 5, the valve opening and closing 4, Flange connection pressure balanced straight-through type piston valve 1, Flow channel: Straight-through type 2, Valve body and bonnet are cast steel parts: Stem and plunger, isolation ring is stainless steel; Flexible graphite or PTFE; stem nut copper alloy 3, seal ring, isolation ring by the valve body and bonnet connection bolts, nuts and spring washer compression 4, by the outer diameter of the plunger and seal ring diameter to achieve Sealed 5, the plunger is hollow, the upper and lower cavity has a through hole, the valve stem with the sealing sleeve and nut connection, so that the plunger pressure balance between the upper and lower cavity, opening and closing when the effort. However, the stem must be sealed and stuffed seal 6, the valve opening and closing speed slower. 5. Globe valve plunger valve 1, the flow channel: Straight 2 valve body, valve cover, plunger body is cast steel; stem , The plunger ring is stainless steel; seal ring, packing for flexible graphite or PTFE 3, the valve body and the plunger seal ring with stainless steel bush 4, the seal ring with a plunger pressure ring pressed against the plunger Body 5, by the outer diameter of the plunger seal ring and the inner diameter of the body bush with the seal 6, the valve body, the valve cover bolted to the gasket 7, the valve stem seal with packing and sealing The packing can be sealed 8, the valve stem drive stem nut, the rotary hand wheel can open and close the valve 9, the structure of the plunger valve opening and closing than conventional plunger valve speed six flange connection double seat pressure Balanced Straight-through Plunger Valve 1, Flow Path: Double-port Straight-through 2, Body, upper bonnet and lower bonnet are cast steel; Stem, plunger and isolation ring are stainless steel; Seal ring, packing is flexible Graphite or Teflon 3, seal ring, isolation ring Plunger guide sleeve Upper and lower bonnet, bolt, nut, spring washer pressure Tight in the valve body 4, the plunger can be up and down in the sealing ring and the guide sleeve up and down movement, the guide sleeve is equipped with a pressure balance hole, the medium pressure can enter the lower cavity guide sleeve. The seal is achieved by the double seal face of the plunger and the double seal ring inside the valve body, which is a two-seat, sealed plunger valve that can pass large flow rates due to its shorter plunger opening and closing speed compared to conventional columns Plug larger 6, the valve stem seal with the packing and packing, compression packing gland can be achieved stem seal 7, stem nut mounted on the valve cover on the rotating hand wheel can drive the plunger valve opening and closing seven . Female thread connection right angle plunger valve 1, flow channel: right angle 2, other structural features 8. flange connection right angle plunger valve 1, flow channel: right angle 2, other structural features nine. Flange connection pressure balance Right angle plunger valve 1, flow channel: right angle 2, the other structural features

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