一、进口放散焊接球阀概述

进口放散焊接球阀（美国威盾VTON），Bleeding welded ball valve，也叫进口双放散焊接球阀，放散埋地式焊接球阀，放散直埋式球阀，包括球阀阀体，在球阀阀体的开关接头上联接带管接头的长心柱，长心柱包括长心柱体，外套有保护管；在球阀阀体控制的管道中设放散单元装置，其包括与管道贯通的放散基座，安置于放散基座上的放散管，放散管的上头端设放散阀，并通过支架使放散单元装置与长心柱相互固定，其实用，使用方便，启闭便捷，利于管道的检测。

Bleeding welded ball valve (VTON), also known as imported double bleed welded ball valve, bleed buried welded ball valve, and bleed buried ball valve, including the ball valve body. A long core column with a pipe joint is connected to the switch joint of the ball valve body. The long core column includes the long core column body and is covered with a protective tube; Install a release unit device in the pipeline controlled by the ball valve body, which includes a release base that is connected to the pipeline, a release pipe placed on the release base, and a release valve at the upper end of the release pipe. The release unit device is fixed to the long core column through a bracket, which is practical, convenient to use, easy to open and close, and conducive to pipeline detection.

二、进口放散焊接球阀产品参数：

连接方式:对焊、法兰。 

口径尺寸: [DN15-DN1000] 

工作压力:[PN1.6、PN2.5、PN4.0 MPA]

介质温度:－20℃≈180℃。[可根据不同的工控选择材料] 

流体介质: 水、油品、气、燃气类介质。

阀体材质:碳钢、不锈钢。[可选] 

密封材质: 聚四氟乙稀PTFE 增强聚四氟乙稀PPL 

球芯材质: 实芯不锈钢球 

阀杆材质:不锈钢

填料: 石墨、增强聚丙稀 

连接方式:法兰、焊接 

驱动方式：气动、电动、蜗轮、手动、液动 

适用场合：供暖系统、供热区域、工业管道等用途

三、进口放散焊接球阀适用场合

城市燃气：燃气输出管道、主干线及各支线管道等；

集中供热：大型供热设备输出管线、主干线、支线；

热交换机：管道及各回路启闭；

钢铁厂：各种流体管道、废气择放管道、煤气和热力管道、燃料管道；

各种工业设备：各种热处理管道、各种工业煤气和热力管道。

Urban gas: gas output pipelines, main and branch pipelines, etc;

Centralized heating: output pipelines, main pipelines, and branch pipelines of large-scale heating equipment;

Heat exchanger: opening and closing of pipelines and various circuits;

Steel plant: various fluid pipelines, waste gas selective discharge pipelines, gas and heat pipelines, fuel pipelines;

Various industrial equipment: various heat treatment pipelines, various industrial gas and heating pipelines.