永一安全阀A48Y弹簧全启式安全阀

产品名称：

弹簧全启式安全阀产品型号：A48H、A48Y公称通径：DN15～DN400结构形式：弹簧全启式公称压力：1.6MPa～16.0MPa连接方式：法兰、焊接、螺纹适用温度：-29ºC～+540ºC驱动方式：弹簧自动起跳、带扳手阀体材质：铸钢、不锈钢制造标准：国标GB、德国DIN、美国API、ANSI适用介质：水、蒸汽、空气、气体等生产厂家：永一阀门集团有限公司产品说明

永一安全阀A48H、A48Y弹簧全启式安全阀适用于工作温度≤540℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。是一种由进口静压开启的自动泄压防护装置，它是压力容器为重要的安全附件之一。

功能特点

它的功能是：当容器内压力超过某一定值时,依靠介质自身的压力自动开启阀门，迅速排出一定数量的介质。当容器内的压力降到允许值时，阀又自动关闭，使容器内压力始终低于允许压力的上限，自动防止因超压而可能出现的事故，所以安全阀又被称为压力容器的终保护装置。

主要零件NO零件名称材料1阀体WCB2阀座ZG2Cr133调节圈ZG2Cr134阀瓣2Cr135导向套2Cr136阀盖ZG230-4507弹簧50CrVA8阀杆2Cr139扳手ZG200-40010调整螺杆4511保护罩ZG200-400 12密封面材料"H"堆焊D507,"Y"堆焊Co基硬质合金主要外形尺寸1.6MPa
型号公称通径doDKgg1bff1Z-ødfLL1HA48Y-16C
A48Y-16P
A48Y-16R
A48H-16C
A48H-16P
A48H-16R201510575
55162
4-14211095411251611585
65162
4-142110954113220140100
78182
4-1831151004114025150110
85183
4-1831201104725032165125
100203
4-1831351205326540185145
120203
4-1831601405568050200160
135203
8-18317013556110065220180
155203
8-18319517566712580250210
185223
8-183210190857150100285240
210243
8-233255230915200125340295
265263
12-2333002601073250150405355
320303
12-2643503201307300220460410
375304
12-2643703501233350250520470
435344
16-2645004501711400280580525
485364
16-3045004501780主要外形尺寸2.5MPa型号公称通径doDKgg1bff1Z-ødfLL1HA48Y-25C
A48Y-25P
A48Y-25R
A48H-25C
A48H-25P
A48H-25R201510575
55162
4-14211095411251611585
65162
4-142110954113220140100
78182
4-1831151004114025150110
85183
4-1831201104725032165125
100203
4-1831351205326540185145
120223
8-1831601405568050200160
135223
8-18317013556110065230190
160243
8-23319517566712580270220
188283
8-263210190857150100300250
218303
8-263255230915200125360310
278343
12-2633002601073250150425370
332363
12-3043503201307300220485430
390404
16-3043703501233350250555490
488484
16-3445004501711400280620550
505484
16-3645004501780主要外形尺寸4.0MPa型号公称通径doDKgg1bff1Z-ødfLL1HA48Y-40C
A48Y-40P
A48Y-40R
A48H-40C
A48H-40P
A48H-40R201510575515516244-14211095411251611585586516244-142110954113220140100667818244-1831151004114025150110768518344-18312011047250321651258810020344-183135120532654018514511012022348-183160140556805020016012113522348-183170135561100652351901501602434.58-233195175697125802702201761882834.58-2632101908571501003002502042183034.58-2632552309152001253753202602823834.512-30330026010732501504503853133454234.512-34435032013073002205154503644084644.516-3443703501233350250580510422465524516-3645004501711400280660585474535584516-4145004501711主要外形尺寸6.4MPa型号公称通径doDKgg1bff1Z-ødfLL1HA48Y-64C
A48Y-64P
A48Y-64R
A48H-64C
A48H-64P
A48H-64R201012590516822244-18296852972516140100587822244-1821101003103220155110668224244-2331301103224025170125769524344-23313512035250321801358810526344-233155135425654020516011013028348-233175160570805021517012114030348-233175160560100652502001501683234.58-2631951956901501003452802042403834.58-343280265935主要外形尺寸10.0MPa型号公称通径doDKgg1bff1Z-ødfLL1HA48Y-100C
A48Y-100P
A48Y-100R
A48H-100C
A48H-100P
A48H-100R201012590516822244-18396852972516140100587824244-1821101003103220155110668224244-2321301103224025170125769526344-23313512035250321951458811228344-263155135425653222017011013832348-263175160570804023018012114834348-263175160560100502652101501723834.58-303195195690150803552902042504634.512-343280265935

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