带扳手型弹簧全启安全阀

A48Y/A44Y带扳手型弹簧全启安全阀

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2015-08-27 16:21:18
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浙江德美特阀门有限公司

浙江德美特阀门有限公司

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产品简介

A48Y带扳手型弹簧全启安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y适用于工作温度≤300℃的空气、石油等介质的设备或管路上,作为超压保护装置。

详细介绍

产品简介:

A48Y带扳手型弹簧全启安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y带扳手型弹簧全启安全阀适用于工作温度≤300℃的空气、石油等介质的设备或管路上,作为超压保护装置。连接法兰标准PN<6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2标准。

产品性能:

1、具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小、调整方便等特点。
2、喷嘴型阀座:阀座为位伐尔喷嘴型阀座,蒸汽流经阀座出口处时达到音速,排放系数大,阀座密封面堆焊钴铬钨硬质合金,耐磨抗冲蚀,寿命长。
3、热弹性阀瓣:阀瓣设计为热弹性结构,利用其在介质压力下微小的变形,提高密封能力,克服安全阀在介质压力下临近整定压力时的前泄现象。阀瓣密封面采用*的激光淬火技术,提高了硬度、耐磨性、抗冲抗性。
4、调节螺母:通过调整调节螺母,调整弹簧压缩量,使阀门能够很方便、很迅速地获得准确的整定压力。
5、背压调整套:调整阀瓣背压的辅助机构,通过背压调整套调整,可获得合适的回座压差。上调时,使阀门背压降低。下调时,使阀门背压提高。

安装说明:

1、安全阀必须垂直安装,并直接安装在容器或管道的接头上。接头内径应不小于安全阀的进口通径。
2、安全阀的出口必须装设适当的膨胀节,以防止排放管的热膨胀给安全阀带来不应有的热应力。排放管内径应比阀门出口直径大,长度尽可能短,避免拐弯。排放管及膨胀节重量不应作用在安全阀上,应固定在建筑上。排放管的中心线与阀体的中心线间距离尽可能的短。对每台安全阀都应单独装设排放管。
3、消声器的出口处要有足够的面积,防止产生背压影响阀门的排放能力。

系列型号:

A48Y-16CA44Y-16P
A48Y-25A44Y-25P
A48Y-40A44Y-40P
A48Y-64A44Y-64P
A48Y-100A44Y-100P
A44Y-16CA44Y-16R
A44Y-25A44Y-25R
A44Y-40A44Y-40R
A44Y-64A44Y-64R
A44Y-100A44Y-100R

零件材料:

1阀体WCBZG1Cr18Ni9TiCF8M
2阀座2Cr131Cr18Ni9Ti316
3调节圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti
4反冲盘ZG2Cr13ZG1Cr18Ni9Ti316
5阀瓣2Cr131Cr18Ni9Ti316
6导向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti
7阀盖ZG230-450ZG230-450ZG230-450
8弹簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料
9阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
10扳手ZG200-400ZG200-400ZG200-400
11调整螺杆452Cr132Cr13
12保护罩ZG200-400ZG200-400316

密封面材料堆焊Co基硬质合金


外形尺寸和连接尺寸:

A48Y-16C
A44Y-16C
A44Y-16P
A44Y-16R
201510575
55162
4-142511585
65162
4-1411095411
251611585
65162
4-1432140100
78182
4-1811095411
3220140100
78182
4-1840150110
85183
4-18115100411
4025150110
85183
4-1850165125
100203
4-18120110472
5032165125
100203
4-1865185145
120203
4-18135120532
6540185145
120203
4-1880200160
135203
8-18160140556
8050200160
135203
8-18100220180
155223
8-18170135561
10065220180
155203
8-18125250210
185223
8-18195175667
12580250210
185223
8-18150285240
210243
8-23210190857
150100285240
210243
8-23175310270
240263
8-23255230915
200125340295
265263
12-23250405355
320303
12-263002601073
250150405355
320303
12-26300460410
375304
12-263503201307
300220460410
375304
12-26400580525
485364
16-303703501233
350250520470
435344
16-26500715650
608444
20-345004501711
400280580525
485364
16-30500715650
608444
20-345004501780
A48Y-25 
A44Y-25 
A44Y-25P
A44Y-25R
201510575
55162
4-142511585
65162
4-1411095411
251611585
65162
4-1432140100
78182
4-1811095411
3220140100
78182
4-1840150110
85183
4-18115100411
4025150110
85183
4-1850165125
100203
4-18120110472
5032165125
100203
4-1865185145
120203
4-18135120532
6540185145
120223
8-1880200160
135203
8-18160140556
8050200160
135223
8-18100220180
155223
8-18170135561
10065230190
160243
8-23125250210
185223
8-18195175667
12580270220
188283
8-26150285240
210243
8-23210190857
150100300250
218303
8-26175310270
240263
8-23255230915
200125360310
278343
12-26250405355
320303
12-263002601073
250150425370
332363
12-30300460410
375304
12-263503201307
300220485430
390404
16-30400580525
485364
16-303703501233
350250555490
448444
16-34500715650
608444
20-345004501711
400280620550
505484
16-36500715650
608444
20-345004501780
A48Y-40
A44Y-40
A44Y-40P
A44Y-40R
201510575515516244-142511585
65162
4-1411095411
251611585586516244-1432140100
78182
4-1811095411
3220140100667818244-1840150110
85183
4-18115100411
4025150110768518344-1850165125
100203
4-18120110472
50321651258810020344-1865185145
120203
4-18135120532
654018514511012022348-1880200160
135203
8-18160140556
805020016012113522348-18100220180
155223
8-18170135561
100652351901501602434.58-23125250210
185223
8-18195175697
125802702201761882834.58-26150285240
210243
8-23210190857
1501003002502042183034.58-26175310270
240263
8-23255230915
2001253753202602823834.512-30250405355
320303
12-263002601073
2501504503853133454234.512-34300460410
375304
12-263503201307
3002205154503644084644.516-34400580525
485364
16-303703501233
350250580510422465524516-36500715650
608444
20-345004501711
400280660585474535584516-41500715650
608444
20-345004501711
A48Y-64 
A44Y-64 
A44Y-64P
A44Y-64R
201012590516822244-182511585586516244-149685297
2516140100587822244-1832140100667818244-18110100310
3220155110668224244-2340150110768518344-18130110322
4025170125769524344-23501651258810020344-18135120352
50321801358810526344-236518514511012022348-18155135425
654020516011013028348-238020016012113522348-18175160570
805021517012114030348-231002351901501602434.58-23175160560
100652502001501683234.58-261252702201761882834.58-25195195690
1501003452802042403834.58-342003753202602823834.512-30280265935
A48Y-100
A44Y-100
A44Y-100P
A44Y-100R
201012590516822244-182511585586516344-149685297
2516140100587824244-1832140100667818244-18110100310
3220155110668224244-2340150110768518244-18130110322
4025170125769526344-23501651258810020344-18135120352
50321951458811228344-266518514511012022348-18155135425
653222017011013832348-268020016012113522348-18175160570
804023018012114834348-261002351901501602434.58-23175160560
100502652101501723834.58-301252702201761882834.58-25195195690
150803552902042504634.512-342003753202602823834.512-30280265935
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