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A48Y带扳手弹簧全启式安全阀

  • 型号:A48Y-10C/A48Y-16C/A48Y-25C/A48Y-40C/A48Y-64C/A48Y-100C/A48Y-10C/A48Y-16P/A48Y-25P/A48Y-40P/A48Y-64P/A48Y-100P/A48Y-10C/A48Y-16R/A48Y-25R/A48Y-40R/A48Y-64R/A48Y-100R
  • 规格:DN20-DN400
  • 适用温度:≦350℃
  • 适用介质:水、油品、蒸汽、气体及腐蚀性介质。
  • 压力:10PN-100PN
  • 连接方式:法兰
  • 驱动方式:手动
  • 材质:铸钢、不锈钢、双向不锈钢
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  • 产品特性
  • 结构性能
  • 外形尺寸

A48Y带扳手弹簧全启式安全阀是一款配备手动测试扳手、采用硬质合金密封的弹簧全启式安全阀。当系统压力超过设定值时,阀瓣迅速全开实现大流量泄放;压力恢复后自动关闭。手动扳手用于定期强制开启阀瓣进行功能测试,验证其动作灵活性;“Y”型硬质合金密封确保高温高压下的严密性,是兼顾大排量泄放能力、高密封等级及可主动验证可靠性的高性能安全阀。

A48Y带扳手弹簧全启式产品图

特点:

1.手动测试扳手

阀门顶部设有扳手,可定期进行人工抬升测试,无需系统升压即可检查阀瓣运动是否灵活,是预防性维护的关键功能。

2.弹簧微启式结构

采用直接载荷式弹簧与微启式阀瓣,开启高度小,排放量适中,启闭动作迅速平稳,适用于液体或要求小排量泄压的场合。

3.合金钢硬密封(“H”型)

阀瓣与阀座密封面采用合金钢(如13Cr)堆焊,硬度高,耐磨损、耐高温,密封性能可靠,使用寿命长。

4.结构紧凑,压力可调

整体设计紧凑。通过调节螺杆可在一定范围内调整弹簧预紧力,从而精确设定开启压力(整定压力)。

5.适用性广,可靠性高

适用于工作温度≤300℃的饱和蒸汽、空气、水、油品等多种介质。定期扳手测试大大提升了阀门长期备用的可靠性。

A48Y带扳手弹簧全启式结构图

零部件名称材料

NO.零件名称 Name of partA48Y-C A44Y-C 材料 Materials
1阀体 BodyWCB
2阀座 Nozzle2Cr13
3调节圈 Adjusting ringZG2Cr13
4阀瓣 Disc2Cr13
5导向套 Guide sleeve2Cr13
6阀盖 BonnetZG230-450
7弹簧 Spring50CrVA
8阀杆 Stem2Cr13
9扳手 LeverZG200-400
10调整螺杆 Adjusting bolt45
11保护罩 CapZG200-400
密封面材料Sealing surface of material堆焊Co基硬质合金 Depositing stellite

性能规范表

型号 model铸钢型 Cast steel type
口径范围 Caliper rangeDN25-DN400
适用温度 application temperature≤300℃
适用介质 application media水、蒸汽、油品 water、Steam and oil


A48Y带扳手弹簧全启式外形图

外形尺寸表

型号modle公称通径nominal diameterdoDKgg1bff1Z-?dfLL1H
A48Y-16C A44Y-16C A44Y-16P A44Y-16R201510575551624-14211095411
251611585651624-14211095411
3220140100781824-183115100411
4025150110851834-183120110472
50321651251002034-183135120532
65401851451202034-183160140556
80502001601352038-183170135561
100652201801552038-183195175667
125802502101852238-183210190857
1501002852402102438-233255230915
20012534029526526312-2333002601073
25015040535532030312-2643503201307
30022046041037530412-2643703501233
35025052047043534416-2645004501711
40028058052548536416-3045004501780
A48Y-25 A44Y-25 A44Y-25P A44Y-25R201510575551624-14211095411
251611585651624-14211095411
3220140100781824-183115100411
4025150110851834-183120110472
50321651251002034-183135120532
65401851451202238-183160140556
80502001601352238-183170135561
100652301901602438-233195175667
125802702201882838-263210190857
1501003002502183038-263255230915
20012536031027834312-2633002601073
25015042537033236312-3043503201307
30022048543039040416-3043703501233
35025055549044844416-3445004501711
40028062055050548416-3645004501780
A48Y-40 A44Y-40 A44Y-40P A44Y-40R201510575515516244-14211095411
251611585586516244-14211095411
3220140100667818244-183115100411
4025150110768518344-183120110472
50321651258810020344-183135120532
654018514511012022348-183160140556
805020016012113522348-183170135561
100652351901501602434.58-233195175697
125802702201761882834.58-263210190857
1501003002502042183034.58-263255230915
2001253753202602823834.512-3033002601073
2501504503853133454234.512-3443503201307
3002205154503644084644.516-3443703501233
350250580510422465524516-3645004501711
400280660585474535584516-4145004501711
A48Y-64 A44Y-64 A44Y-64P A44Y-64R201012590516822244-1829685297
2516140100587822244-182110100310
3220155110668224244-233130110322
4025170125769524344-233135120352
50321801358810526344-233155135425
654020516011013028348-233175160570
805021517012114030348-233175160560
100652502001501683234.58-263195195690
1501003452802042403834.58-343280265935
A48Y-100 A44Y-100 A44Y-100P A44Y-100R201012590516822244-1839685297
2516140100587824244-182110100310
3220155110668224244-232130110322
4025170125769526344-233135120352
50321951458811228344-263155135425
653222017011013832348-263175160570
804023018012114834348-263175160560
100502652101501723834.58-303195195690


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