自封由壬001 

      自封式管接头安装完毕自动启开，卸下时自动闭合，杜绝了管体介质流出污染环境，节省作业成本，防止沙尘进入管体和设备中造成机械磨损，降低事故隐患，管接头装卸连接方便，减少劳动强度，节省作业时间。所使用材料完全符合美国 ASTM 和 AISI 标准，产品及零件全部采取了防腐处理。管接头耐高压、密封可靠、标准统一、通用互换性好。万向自封式管接头可根据连接方向自动调节，管线排列整齐美观，减少管线抗疲劳强度。
自封式管接头可根据结构不同分为两大系列：
1、钢珠式快速自封管接头　

2、销键插入式自封管接头
　　The self-sealing pipe joint will open automatically after completion of installation and will close during disassembly, which completely eradicates environmental pollution arising from outflow of medium inside the pipe, saves the operation cost, prevents mechanical wear arising from dust inside the pipe and equipment and reduces the accident potentials. The pipe joint can be assembled, disassembled and connected easily, thus the labor intensity is reduced and the operation time is saved. Used materials completely conform to American ASTM and AISI standards. The preservative treatment is carried out on all products and parts. The pipe joints are characterized by high-pressure resistance, reliable seal, unified standard, good compatibility and interchangeability. The universal self-sealing pipe joint could carry out adjustment automatically as per the connection direction and the pipe lines are arranged orderly and beautifully, which reduce the fatigue resistance of the pipe line. The self-sealing pipe joints can be divided into two series as per structures:
　　1. Fast self-sealing steel ball pipe joint
　　2. Pin key plug-in self-sealing pipe joint.

自封管接头规格及基本参数
SPECIFICATIONS AND BASIC PARAMETERS OF THE SELF-SEALING PIPE JOINTS

　　河北巨恒石油机械有限公司，原河北省景县石油机械厂，是集橡胶制品及机械加工为主的生产厂家。现有员工１０５ 人，技术人员10人，其产品供及我国的各大油田，煤矿，冶金等。本厂有专业加工设备30余台（套），检测手段完善。 主要产品为油田石油钻探胶管、石油钻采配件、高低压油壬、气胎由壬，伸缩式钢由壬，自封由壬，万向活动弯头，各种胶管接头、快速接头、金属软管、尼龙树脂管、和橡胶密封件等。本厂产品广泛应用于石油、冶金、矿山、化工、啤酒厂等行业。
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