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A47H带扳手弹簧微启式安全阀

  • 型号:A47H-10C/A47H-16C/A47H-25C/A47H-40C/A47H-64C/A47H-100C/A47H-10C/A47H-16P/A47H-25P/A47H-40P/A47H-64P/A47H-100P/A47H-10C/A47H-16R/A47H-25R/A47H-40R/A47H-64R/A47H-100R
  • 规格:DN25-DN300
  • 适用温度:≦300℃
  • 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

A47H带扳手弹簧微启式安全阀是一款配备手动测试扳手的弹簧微启式安全阀,其“H”代表密封面为合金钢材料。当系统压力超过设定值时,阀门微启泄压;压力恢复后自动关闭。手动扳手用于定期进行功能测试,强制提升阀瓣以验证其动作灵活性,防止因长期静止而粘连卡涩,确保紧急状态下能可靠动作,是对安全阀可靠性有主动验证需求场合的理想选择。广泛应用于工业锅炉、压力容器、压缩空气系统、液压站、热交换器及一般化工设备等需要定期进行安全阀功能测试以确保其可靠性的场合,作为重要的主动维护型超压保护装置

A47H带扳手弹簧微启式安全阀产品图

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。

A47H带扳手弹簧微启式安全阀结构图

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反冲盘 Disc holderZG2Cr13
5阀瓣 Disc2Cr13
6导向套 Guide sleeve2Cr13
7阀盖 BonnetZG230-450
8弹簧 Spring50CrVA
9阀杆 Stem2Cr13
10扳手 LeverZG200-400
11调整螺杆 Adjusting bolt45
12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


A47H带扳手弹簧微启式安全阀外形图

外形尺寸表

型号公称直径doDKgg1bff1Z-d cDNfD1K1g2gb1ff1'Z1- c d1LL1aH
A47H-16C201510575551624-142010575551524-1410085270
252011585651624-142511585651524-1410085270
3225140100751824-1832140100781824-18115100312
4032150110851834-1840150110851834-18120110320
50401651251002034-18501651251002034-18135120390
65501851451202034-18651851451202034-18140130395
80652001601352038-18802001601352038-18160135400
100802201801552238-181002201801552238-18170160800
1251002502101852238-181252502101852238-18190190820
1501252852402102438-231502852402102438-23205195825
20015034029528528312-2320034029528528312-23240230798
25020040535532030312-2825040535532030312-28350320881
30025046041037530412-2830046041037530412-283503201005
A47H-25201510575551624-142010575551524-1410085270
252011585651624-142511585651524-1410085270
3225140100751824-1832140100781824-18115100312
4032150110851834-1840150110851834-18120110320
50401651251002034-18501651251002034-18135120390
65501851451202238-18651851451202034-18140130395
80652001601352438-18802001601352038-18150135400
100802301901602438-231002201801552038-18170160800
1251002702201852838-281252502101852238-18190190820
1501253002502153038-281502852402102438-23205195825
20015038031027534312-2620034029528528312-23240230798
25020042537033236312-3024040535532030312-28350320881
30025048543036040415-3030048041037530412-283503201005
A47H-40201510375515516244-1420105755518244-1410085270
252011585586518244-1425115856518244-1410085270
3225140100867818244-18321401007818244-18115100312
4032150110788518344-18401501108518344-18120110320
50401651258810020344-185016512510020344-18135120360
655018514511012022348-186518514512020344-18140130395
806520016012113522348-188020016013520388-18150135400
100802351901501602434-58-2310022016015522388-18170160800
1251002702201761882834-58-2612525021018522388-18190190820
1501253002502042183034-58-2615028524021024388-23205195825
2001503753202602823834-512-302003402952652831212-23240230768
2502004503853133454234-512-342504053553203031212-26350320981
3002505154503544084644-516-303004604103753041212-263503201005
A47H-84 A47V-84201513090516820244-182010575555118244-1410095301
2520140100587822244-182511585655818244-1410095301
3225155110568224244-2332140100786618244-18115105312
4032170125769524344-2340150110857618344-18135115366
50401851358810526344-23501651251008820344-18160125395
655020516011013028348-236518514512011022348-18175160570
806521517012114030348-238020016013512122348-18175160565
100802552001501683234-58-261002351901601502434-58-23190180597
1501003452802042403834-58-341503002502182043034-58-26230260738
A47H-100 A47Y-100201513090516822244-182010575555118244-1410095301
2520140100587824244-182511585655818244-1410095301
3225155110568224244-2332140100786618244-18115105312
4032170125769526344-2340150110857618344-18135115366
50401951458811228344-26501651251008820344-18160125395
655022017011013832348-266518514512011022348-18175160570
806523018012114834348-268020016013512122348-18175160565
100802652101501723834-58-301002351901601502434-58-23190180597
1501003552602042504634-512-341503002502182043034-58-26230260738


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