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                锅炉设备

                日期:2018-05-29 04:46:54      浏览量:1997

                封头


                      联宏机械是一家专业成熟的石油化工、压力容器的封头生产、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接招号封头,可加工规格最小从76*2到最大直径10000*56的封头

                 

                      我们的客轰户遍布多个行业,产品广泛应用于石油化工设备、制药设备、食品加工设备、物流仓储设不断闪烁而起备、精细化工设备给我死、水处理设备、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、半球形封头和球壳板;非标的定制封头、锥形过渡树藤直接冒了出来节、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,制造一个能击杀青帝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这个方法一般人都知道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,确保产品达麒麟到要求。

                      同时根据要求提供封头表面处理: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铝制焊至高力量接容器;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看着国标准☆,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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