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                食品机械

                日期:2018-05-29 04:53:35      浏览量:1979

                封头


                      联宏机械是一家专业成熟的石油化工、压力容器的封卐头生产、制造和销售的公司




                      联宏机械多年专注于压力容↙器封头行业,生产销售各种规格型号封头,可加工规格△最小从76*2到最∑ 大直径10000*56的封头

                 

                      我们的客户遍布多个↓行业,产品广泛应用于石油化工设备、制药设备、食品◥加工设备、物流仓储设备、精细而那道网只是扑了个空化工设备、水Ψ处理设备、环保设备、工业锅炉及压力容器设备等

                 

                      我们提供各种规〇格型号的封头产品:国标的椭圆形∩封头(EHA)、碟形封头、球冠形封头、平底形封头、锥体封头、半球形封ω头和球壳板;非标的定制封头、锥形★过渡节、冲孔封头、弓形封头、浅碟封头和特大形封头;

                      我们依据海外他国标准,制造生产多种外国标准封头㊣:Torispherical head or bottom, Klopper heads (DIN-28011), Korbbogen heads(DIN-28013), spherical caps, flat heads, Flanged only Head, dished heads for low pressure, spherical covers, diffusion heads, cone heads, Cones for Pressure Vessels, PRC heads(NFE 81-101), MRC heads (NFE 81-104), GRC heads(NFE 81-102), elliptical heads 1,9:1 (NFE 81-103), elliptical heads 2:1(ASME), hemispherical heads, Shallow Head, Inverted Dished heads and Inverted Cones...
                 

                      封头制造及检验标准

                      我们通过这种感觉简直是生不如死了ISO9001质量管理体系认证,根据中国特种设备制造许可要求执行并制定了完备的质保体系,从原材料采购、中间过程控制到最终成品检验发货为止的每一步严格控制,确保每一步符合相应的标准制度,只为客户提供高品质的产品。

                      根据客户脸上不由得露出一副神往要求定制各种材质、型号封头,我们的工程师全程参与并提供技术支持,确保产品达到要求。

                      同时根据要求提供封头表面处点了下头理:酸洗钝化、、坡口切割、抛光、喷砂、喷漆、防腐处理≡等

                 

                      我们产品制造标准:GB/T25198-2010压力容器封头;GB 150钢制压力没有惊讶容器;GB 12337钢制球形储罐;JB/T 4730承压设备无损检测;JB/T 4734铝制焊接容器;JB/T 4745钛制焊接容器;JB/T 4755铜制压☆力容器;JB/T 4756镍及镍合◣金压力容器等

                      我们同时依据海外他国标准,制造生产≡多种标准封头如下:

                      We manufactures Heads according to PED 97/23 EC for pressure vessels. The stainless steel material is certificated according to Pressure Equipment Directive (97/23/EC).
                The dished and flanged heads are manufactured with PED/ TüV standard plates aiming the production of pressure machines.

                We proceed according to the following manufacturing laws: CODAP, ASME, ADM.

                      We manufactures stainless steel tank heads, in order to avoid any pollution from other materials. This point represents another guarantee of quality for all our clients.

                 

                Referenced norms:
                Dished heads are manufactured according to the following norms:
                - NF E 81-100 December 1997 – Dished heads, designation, tolerances.

                - German tolerances DIN28011 et DIN28013

                 

                We manufactures the following type of heads:

                · PRC Small knuckle radius head N FE 81-101 or Shallow Head

                · GRC Large knuckle radius head N FE 81-102 or Torispherical head DIN28011

                · Elliptical head N FE 81-103 or Semi Ellipsoidal Head DIN28013

                · MRC Medium knuckle radius head N FE 81-104

                Edge machining and bevelling are made according to the N FE81-110.


                MANUFACTURING CYCLE OF DISHED HEADS ACCORDING TO NFE 81 100

                · Calculation of the disc’s diameter

                · Disc cutting

                · Disc welding, in case of disc in several parts

                · Destructive or non-destructive controls (if requested in yourorder)

                · Cap pressing process and control of the knuckle radius

                · Knuckle radius forming and knuckle radius control

                · Edge machining according to NFE 81 110

                · Dished head control at the end of the manufacturing process

                · Dished head pickling

                · Dished head polishing (if requested in your order)

                · Openings (if requested in your order)

                · Final control before consignment.

                 



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