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蝶閥

焊接式三偏心雙向密封蝶閥

焊接式三偏心雙向密封蝶閥
  • 型號D363
  • 類別蝶閥

詳細描述

閥門廠

閥門廠

閥門廠

類別 Item零件碳素鋼不銹鋼
1六角頭螺釘8.8級 06Cr19Ni10 
2彈性墊圈65Mn 06Cr19Ni10 
3底面法蘭25 06Cr17Ni12Mo2 
4金屬纏繞墊片06Cr17Ni12Mo2+石墨 06Cr17Ni12Mo2+石墨 
5墊塊25 06Cr17Ni12Mo2 
6防沖出環QT400 SS316
7軸套QT400+Ni 06Cr17Ni12Mo2 
82Cr13 17-4PH
9WCB CF8M
10沉頭螺釘06Cr19Ni10 06Cr17Ni12Mo2 
11蝶板壓環2Cr1306Cr17Ni12Mo2 
12密封環F316L+STLF316L+STL
13石墨墊片06Cr17Ni12Mo2+石墨 06Cr17Ni12Mo2+石墨 
14蝶板WCBCF8M
1506Cr19Ni10 17-4PH
16支架WCBWCB
17六角頭螺釘8.8級 06Cr19Ni10 
18軸套QT400+Ni06Cr17Ni12Mo2
19閥桿2Cr13 17-4PH
20填料座圈QT400 SS316
21填料碳纖維+石墨碳纖維+石墨
22填料壓蓋25 06Cr19Ni10 
23碟簧60Si2Mn Spring Steel
24填料壓板25 06Cr19Ni10 
25填料螺栓8.8級 06Cr19Ni10 
26填料螺母8級 06Cr19Ni10 
27六角頭螺釘8.8級 06Cr19Ni10 
28執行機構裝配件裝配件
29石墨墊片06Cr17Ni12Mo2+石墨 06Cr17Ni12Mo2+石墨 
30閥座2Cr13 06Cr17Ni12Mo2 
31吊環2Cr13 06Cr17Ni12Mo2 
32沉頭螺釘06Cr19Ni10 06Cr17Ni12Mo2 
33緊定螺釘06Cr19Ni10 06Cr17Ni12Mo2 


閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠

閥門廠


CV值


150Lb


尺寸10°15°20°25°30°35°40°45°50°55°60°65°70°75°80°85°90°
英寸(mm)
8031614233139475462718296112128143156163165
1004212264257728598113130150176205234262285299302
15061631455976101134178233297369448531616698758796796
200830578210814018524632742754467682197411301280139014601460
25010529914218724232042656673994211701420169019602220241025302530
30012781472122793624786368461100141017502120252029203310360037803780
3501410620128938049365186611501500192023802890343039804510489051405140
400161653134515947691020135018002350299037204510535062107040764080208020
4501821741359478210101340178023703090394048905940705081809270101001060010600
500202685097339651250165022002920382048606040734087101010011400124001300013000
6002438673410601390180023803170421055007000870010600125001450016500179001880018800
7002855910601530201026103450459061007960101001260015300182002110023900259002720027200
7503063012001720227029403880516068708960114001420017200204002370028900292003070030700
80032719137019702590336044405900784010200130001620019700233002710030700333003500035000
90036884168024203180412054507250963012600160001990024200287003330037700409004300043000
10004011702220319042105450721095801270016600212002630031900379004400049800541005690056900
105042123023403370444057607610101001340017600224002780033700400004650052600571006000060000
1200481640312044905920767012100135001790023400298003700045000534006190070100761008000080000


300Lb


尺寸10°15°20°25°30°35°40°45°50°55°60°65°70°75°80°85°90°
英寸(mm)
8031614233139475462718296112128143156163165
1004212264257728598113130150176205234262285299302
150662541546991121162212268334407482559634689725725
20081145749812616622229838949261374688410301160126013301330
25010198213517822930140254070589111101350160018602110229024102410
30012291222022663424506018071050133016602020240027803150342036003600
350143916727436346661381811001430181022602750326037804290466049004900
4001658248408539692910122016302130269033604090484056106370692072807280
45018773265377109111200160021502810355044205380638074008390911095909590
5002095403663876113014801980265034604380546066407880913010400113001180011800
60024136580955126016202130285038204990631078609570113001310014900162001710017100
70028199844139018402360310041505560726091901140013900165001910021700236002480024800
750302329861620215027503620484064908480107001340016300193002240025400275002900029000
8003226111101830242031004080545073109550121001500018300217002520028600310003260032600
90036332141023203070394051906930930012100154001910023300276003200036300394004150041500
1000403991700279036904740623083301120014600184002300028000332003840043600474004990049900
1050424571940320042305430714095401280016700211002630032000380004400050000542005710057100
12004848020403360444057007500100001340017500222002770033700399004630052500570006000060000



閥門廠
閥門廠

主要連接尺寸


PN6


公稱通徑L1L2L3DD1D2bfZ-φdMNd1DnH1H2H
DN(mm)PN6(bar)
5010815043140110901624-φ14125747571939420
80114180491901501281824-φ181690789022111825
100127190562101701481824-φ18161109611024313030
125140200642402001781824-φ181613512113526115335
150140210702652252022024-φ181616114616127316540
200152230713202802582224-φ181622220222230919845
250165250763753353122428-φ181627824527833723550
300178270834403953652428-φ2220330303330382.5274.567
350190290924904454152428-φ222038235138243531481
40021631010254049546524212-φ222043239843245734487
45022233011459555052024212-φ222048445048451036998
50022935012764560057026216-φ2220535501535579410.5105
60026739015475570567026216-φ2624636602636635472.5117
70029243016586081077526520-φ2624726692726671529.5117
80031847019097592088026520-φ3027826792826800648120
9003305102001075102098026520-φ3027926892926862708.2128
100041055031611751120108026524-φ302710289921028955766.2170
120047063027614051340129528528-φ33301228119212281088884182
140053071039016301560151032532-φ363314281392142811881022202
160060079044018301760171034536-φ363316281592162812271095245
180067087049020451970192036540-φ393618281792182813001165245
200076095054022652180212538544-φ423920281992202813901280245
2200800100059024752390233060648-φ484222282192222815041320245
2400850110065026852600254062652-φ484224282392242817501425245
2600900120070029002810274064656-φ544826282592262819101540245
2800950130076031103020295068660-φ544828282792282821031640245
30001000140081033103220315070664-φ544830282992302822341740245

 

PN10


公稱通徑
L1L2L3DD1D2bfZ-φdMNd1DnH1H2H
DN(mm)PN10(bar)
5010815043140110901624-φ14125747571939420
80114180491901501281824-φ181690789022111825
100127190562101701481824-φ18161109611024313030
125140200642402001781824-φ181613512113526115335
150140210702652252022024-φ181616114616127316540
200152230713202802582224-φ181622220222230919845
250165250763753353122428-φ181627824527833723550
300178270834403953652428-φ2220330303330382.5274.567
350190290924904454152428-φ222038235138243531481
40021631010254049546524212-φ222043239843245734487
45022233011459555052024212-φ222048445048451036998
50022935012764560057026216-φ2220535501535579410.5105
60026739015475570567026216-φ2624636602636635472.5117
70029243016586081077526520-φ2624726692726671529.5117
80031847019097592088026520-φ3027826792826800648120
9003305102001075102098026520-φ3027926892926862708.2128
100041055031611751120108026524-φ302710289921028955766.2170
120047063027614051340129528528-φ33301228119212281088884182
140053071039016301560151032532-φ363314281392142811881022202
160060079044018301760171034536-φ363316281592162812271095245
180067087049020451970192036540-φ393618281792182813001165245
200076095054022652180212538544-φ423920281992202813901280245


PN16


公稱通徑
L1L2L3DD1D2bfMZ-φdNd1DnH1H2H
DN(mm)PN16(bar)
501081504316512510220244-φ181647571939420
801141804920016013820284-φ1816789022111825
1001271905622018015822284-φ18169611024313030
1251402006425021018822284-φ181612113526115335
1501402107028524021224284-φ222014616127316540
20015223071340295268242128-φ222020222230919845
25016525076405355320262128-φ262424527833723550
30017827083460410378282128-φ2624303330382.5274.567
350190290925204704383021612-φ262435138243531481
4002163101025805254903221612-φ302739843245734487
4502223301146405855503422016-φ302745048451036998
5002293501277156506103622016-φ3330501535579410.5105
6002673901548407707253822016-φ3633602636635472.5117
7002924301659108407954052420-φ3633692726671529.5117
80031847019010259509004252420-φ3936792826800648120
9003305102001125105010004452824-φ3936892926862708.2128
10004105502161255117011154652824-φ42399921028955766.2170
12004706302761485139013305253228-φ4845119212281088884182
14005307103901685159015305853632-φ48451392142811881022202
16006007904401930182017506454036-φ55521592162812271095245
18006708704902130202019506854440-φ55521792182813001165245
20007609505402345223021507054844-φ60561992202813901280245


PN25


公稱通徑
L1L2L3DD1D2bfMZ-φdNd1DnH1H2H
DN(mm)PN25(bar)
501081504316512510220244-φ181647571939420
801141804920016013824284-φ1816789022111825
1001271905623519016224284-φ22209611024313030
1251402006427022018826284-φ262412113526115335
1501402107030025021828284-φ262414616127316540
20015223071360310278302128-φ262420222230919845
25016525076425370335322128-φ302724527833723550
300178270834854303953421612-φ3027303330382.5274.567
350190290925554904503821612-φ333035138243531481
4002163101026205505054021612-φ363339843245734487
4502223301146706005554622016-φ363345048451036998
5002293501277306606154822016-φ3633501535579410.5105
6002673901548457707205822016-φ3936602636635472.5117
7002924301659608758205052420-φ4239692726671529.5117
80031847019010859909305452420-φ4845792826800648120
9003305102001185109010305852824-φ4845892926862708.2128
10004105502161320121011406252824-φ55529921028955766.2170
12004706302761530142013507053228-φ5552119212281088884182
14005307103901755164015607653632-φ6056139214281171985245
16006007904401975186017808454036-φ60561592162812371075245
18006708704902195207019859054440-φ68641792182813901190245
20007609505402425230022109654844-φ68641992202815151305245


PN40

公稱通徑
L1L2L3DD1D2bfMZ-φdNd1DnH1H2H
DN(mm)PN40(bar)
501501504316512510220244-φ1816475713512030
801801804920016013824284-φ1816789016513534
1001901905623519016224284-φ22209611020415534
1252002006427022018826284-φ262412013523017534
1502102107030025021828284-φ262414516127019564
20023023071375320285342128-φ302720022230423564
25025025076450385345382128-φ333025227831927579
300270270835154504104221612-φ333030133040931079
3502902901275805104654621612-φ3633351382499350109
4003103101406605855355021612-φ3936398432515400109
4503303301606856105605722016-φ3936448484486410109
5003503501707556706155722016-φ4239495535531455129
6003903902008907957357222016-φ4845595636629530129

 

PN63


公稱通徑
L1L2L3DD1D2bfMZ-φdNd1DnH1H2H
DN(mm)PN63(bar)
501501504318013510226244-φ2220475713512030
801801806421517013828284-φ2220779017514534
1001901906425020016230284-φ26249411021416534
1252002007029524018834284-φ302711813525019564
1502102107634528021836284-φ333014216130022564
20023023089415345285422128-φ363319822233426579
250250250114470400345462128-φ363324627833929579
3002702701145304604105221612-φ3633294330424325109
3502902901276005254655621612-φ3936342382414365109
4003103101406705855356021612-φ4239368432520405129
5003503501708007056156822016-φ4845485535556480129
6003903902009308207357622016-φ5652585636654555179

PN100
閥門廠
PN100


公稱通徑
L1L2L3DD1D2bfMZ-φdNd1DnH1H2H
DN(mm)PN100(bar)
501501504319514510228244-φ2624475717512540
801801806423018013832284-φ2624759016513534
1001901906426521016236284-φ30279211019414534
1252002007031525018840284-φ333011213521516034
15021021076355290218442128-φ333013616125518034
20023023089430360285522128-φ363319022227921064
250250250114505430345602128-φ393623627829424064
3002702701145855004106821612-φ423928433033026579
3502902901276555604657421612-φ484533238237029579
4003103101407156205358221612-φ484537643246033079
5003503501708707806159422016-φ5652475535496385109
60039039020099087573510222016-φ6256575636584440109

150Lb


閥門廠

150Lb

 

公稱通徑
L1L2L3DD1D2b(Min)fNZ-φdM(in)d1DnH1H2H
inmm150LB
2"5010815043150120.792.117.5244-φ195/8-11UNC-2B52.560.31939420
3"8011418048190152.412722.3244-φ195/8-11UNC-2B77.988.922111825
4"10012719054230190.5157.222.3284-φ195/8-11UNC-2B102.3114.324313030
5"12514020056255215.9185.722.3284-φ223/4-10UNC-2B128.2139.726115335
6"15014021057280241.3215.923.9284-φ223/4-10UNC-2B154.1168.327316540
8"20015223064345298.5269.927284-φ223/4-10UNC-2B202.7219.130919845
10"25016525071405362323.828.62128-φ267/8-9UNC-2B254.527333723550
12"30017827081485431.838130.22128-φ267/8-9UNC-2B304.8323.9382.5274.567
14"35019029092535476.3412.833.42128-φ291-8UNC-2B336.6355.643531481
16"400216310102595539.8469.93521612-φ291-8UNC-2B387.4406.445734487
18"450222330114635577.9533.438.121612-φ321-1/8-8UNC-2B434.945751036998
20"500229350127700635584.241.322016-φ321-1/8-8UNC-2B482.6508579410.5105
24"600267390154815749.3692.246.122016-φ351-1/4-8UNC-2B581.1610635472.5117
28"700292430229925863.680069.922824-φ351-1/4-8UNC-2B672.7711.2671529.5117
32"8003184702411060977.991479.422824-φ421-1/2-8UNC-2B770.7812.8800648120
36"90033051024111701085.8102288.923228-φ421-1/2-8UNC-2B869.3914.4862708.2128
40"100041055030012901200.2112488.923632-φ421-1/2-8UNC-2B967.31016955766.2170
48"120047063036015101422.41359106.424440-φ421-1/2-8UNC-2B11641219.21088884182


300Lb


公稱通徑
L1L2L3DD1D2b(Min)fNZ-φdM(in)d1DnH1H2H
inmm300LB
2"501501504316512792.120.7284-φ195/8-11UNC-2B52.560.313512030
3"8018018048210168.312727284-φ223/4-10UNC-2B77.988.915914534
4"10019019054255200157.230.2284-φ223/4-10UNC-2B102.3114.319416534
5"12520020056280235185.733.4284-φ223/4-10UNC-2B128.2139.726920064
6"15021021059320269.9215.9352128-φ223/4-10UNC-2B154.1168.326920064
8"20023023073380330.2269.939.72128-φ267/8-9UNC-2B202.7219.128523579
10"25025025083445387.4323.846.121612-φ291/8UNC-2B254.527332527579
12"30027027092520450.838149.321612-φ321-1/8-8UN-2B304.8323.938731579
14"350290290117585514.4412.852.422016-φ321-1/8-8UN-2B336.6355.641035079
16"400310310133650571.5469.955.622016-φ351-1/4-8UN-2B387.4406.4465385109
18"450330330149710628.6533.458.822420-φ351-1/4-8UN-2B434.9457528415109
20"500350350159775685.8584.26222420-φ351-1/4-8UN-2B482.6508561450129
24"600390390181915812.8692.268.322420-φ421-1/2-8UN-2B581.1610636530129
28"7004304302291035939.880084.222824-φ451-5/8-8UN-2B672.7711.2800590199
32"80047047024111501054.191496.922824-φ521-7/8-8UN-2B770.7812.8860720199
36"90051051024112701168.41022103.223228-φ542-8UN-2B869.3914.4940780199
40"100055055030012401155.71086112.823228-φ451-5/8-8UNC-2B967.31016910750199
48"120063063036014651371.61302131.823228-φ521-7/8-8UNC-2B11641219.21000850249

 

600Lb


公稱通徑
L1L2L3DD1D2b(Min)fNZ-φdM(in)d1DnH1H2H
inmm600LB
2"501501504316512792.125.4784-φ195/8-11UNC-2B52.560.317512540
3"8018018054210168.312731.8784-φ223/4-10UNC-2B77.988.920214544
4"10019019064275215.9157.238.1784-φ267/8-9UNC-2B102.3114.320818044
5"12520020070330266.7185.744.5784-φ291-8UNC-2B128.2139.723521079
6"15021021078355292.1215.947.77128-φ291-8UNC-2B154.1168.330222579
8"200230230102420349.2269.955.67128-φ321-1/8-8UNC-2B198.5219.131526579
10"250250250117510431.8323.863.571612-φ351-1/4-8UNC-2B247.727337631079
12"30027027014056048938166.772016-φ351-1/4-8UNC-2B295.3323.9442340109
14"350290290155605527412.869.972016-φ391-3/8-8UN-2B325.4355.6457365109
16"400310310178685603.2469.976.272016-φ421-1/2-8UN-2B363.5406.4561410129
18"450330330200745654533.482.672016-φ451-5/8-8UN-2B409.5457610450129
20"500350350216815723.9584.288.972420-φ451-5/8-8UN-2B455.6508645485129
24"600390390232940838.2692.2101.672420-φ521-7/8-8UN-2B547.7610730555178

  

900LB

 

公稱通徑
L1L2L3DD1D2b(Min)fNZ-φdM(in)d1DnH1H2H
inmm900LB
4"10023523580290235157.244.5784-φ321-1/8-8UN-2B77.988.924018164
6"150250250104380317.5215.955.67128-φ321-1/8-8UN-2B102.3114.331523879
8"200310310112470393.7269.963.57128-φ391-3/8-8UN-2B128.2139.736028179
10"250350350135545469.9323.869.971612-φ391-3/8-8UN-2B154.1168.3412358109
12"300380380170610533.438179.472016-φ391-3/8-8UN-2B198.5219.1475383109
14"350400400173640558.8412.885.872016-φ421-1/2-8UN-2B247.7273512419128
16"400430430210705616469.988.972016-φ451-5/8-8UN-2B295.3323.9610455129
18"450460460228785685.8533.4101.672016-φ521-7/8-8UN-2B325.4355.6660503178
20"500490490250855749.3584.210872016-φ542-8UN-2B363.5406.4685550178
24"6005305302751040901.7692.2139.772016-φ672-1/2-6UN-2B409.5457790656199

 

1500Lb


公稱通徑
L1L2L3DD1D2b(Min)fNZ-φdM(in)d1DnH1H2H
inmm1500LB
6"150290290160395317.5215.982.67128-φ391-3/8-8UN-2B102.3114.3347257109
8"200330330180485393.7269.992.17128-φ451-5/8-8UN-2B128.2139.7405307109
10"250390390200585482.6323.81087128-φ521-7/8-8UN-2B154.1168.3510371129
12"300430430230675571.5381123.971612-φ542-8UN-2B198.5219.1545414129
14"350470470250750635412.8133.471612-φ612-1/4-8UN-2B247.7273610493178
16"400510510265825704.8469.9146.171612-φ672-1/2-6UN-2B295.3323.9655530199
18"450550550300915774.7533.416271612-φ742-3/4-6UN-2B325.4355.6750591199
20"500630630340985831.8584.2177.871612-φ803-6UN-2B363.5406.4810664199
24"6007107104001170990.6692.2203.271612-φ943-1/2-6UN-2B409.5457950780249

閥門廠
材料清單
Astm
標準
化學元素(%)機械性能布氏硬度
C
最大
Mn
最大
P
最大
S
最大
Si
最大
Cr
MoNiCu
最大
V
最大
抗拉強度
(MPa)min
屈服強度
(MPa)min
延伸率
(%)min
收縮量
(%)min
A216 WCB0.310.040.0450.6≤0.50≤0.20≤0.500.30.03485-6552502235
A216 WCC0.251.20.040.0450.6≤0.50≤0.20≤0.500.30.03485-6552752235
A352 LC30.150.50-0.800.040.0450.6

3.00-4.00

485-6552753524
A217 WC60.05-0.200.50-0.800.0400.0450.61.00-1.500.45-0.65
0.5
485-6552752035
A217 WC90.05-0.180.40-0.700.0400.0450.62.00-2.751.00-1.50
0.5
485-6552752035
A217 C50.20.40-0.700.0400.0450.754.00-6.500.45-0.65
0.5
620-7954151835
A351 CF30.031.50.0400.04217.0-21.0≤0.508.0-12.0

48520535

A351 CF3M0.031.50.0400.041.517.0-21.09.0-13.02.0-3.0

48520530

A351 Cf80.081.50.0400.04218.0-21.0≤0.508.0-11.0

48520535

A351 CF8M0.081.50.0400.041.518.0-21.02.0-3.09.0-12.0

48520530

A351 CF8C0.081.50.0400.04218.0-21.0≤0.509.0-12.0

48520530

A351 CN7M0.071.50.0400.041.519.0-22.02.0-3.027.5-30.5

45017035

A1050.350.60-1.500.0400.040.35≤0.30≤0.12≤0.400.40.034851502230187
A182 F6A0.1510.0400.05111.5-13.5
≤0.50

4852751835143-187
A182 F3040.0820.0400.03118.0-20.2
8.0-11.0

5152053050
A182 F304L0.03520.0400.03118.0-20.0
8.0-13.0

4851703050
A182 F3160.0820.0400.03116.0-18.02.0-3.010.0-14.0

5152053050
A182 F316L0.03520.0400.03116.0-18.02.0-3.010.0-15.0

4851703050
A182 F3210.0820.0400.031≥17.0
9.0-12.0

5152053050
A182 F110.10-0.200.30-0.800.0400.040.50-1.001.0-1.50.44-0.65


5153102030179-217
A182 F220.05-0.150.30-0.600.0400.040.52.0-2.50.87-1.13


5153102030156-207
A182 F50.150.30-0.600.0300.030.54.0-6.00.44-0.65≤0.50

4852752035143-217
A350 Lf20.31.350.0300.040.15-0.30≤0.30≤0.12≤0.400.40.03485-6552502230
A276 4100.1510.0400.03111.5-13.5



4802751650
A276 4200.1510.0400.03112.0-14.0






5255
A276 3210.0820.0450.03117.0-19.0
9.0-12.0

5152053040
A320 L70.38-0.480.75-1.000.0350.040.15-0.350.80-1.100.15-0.25


1251051650
A320 L7M0.38-0.480.75-1.000.0350.040.15-0.350.80-1.100.15-0.25


100801650235
A193 B70.37-0.490.65-1.100.0350.040.15-0.350.75-1.200.15-0.25


8607201650
A193 B7M0.37-0.490.65-1.100.0350.040.15-0.350.75-1.200.15-0.25


8905501850235
A193 B160.36-0.470.45-0.700.0350.040.15-0.350.80-1.150.50-0.65

0.25-0.358607251850
A193 B80.0820.0450.03118.0-20.0
8.0-10.5

5152053050223
A193 B8M0.0820.0450.03116.0-18.02.00-3.0010.0-14.0

5152053050223
A194 2H≥0.4010.040.050.4








248-352
A194 70.37-0.490.65-1.100.040.040.15-0.350.75-1.200.15-0.25






159-237
A194 80.0820.0450.03118.0-20.0
8.0-10.5





126-300
A194 8M0.0820.0450.03116.0-18.02.00-3.0010.0-14.0





126-300

閥門廠
 


1.填料動負載密封系統


TdFd
填料動負載系統閥桿防沖出、倒密封帶壓換填料系統加填料動負載密封系統


2.蝶閥流向截斷方式


DsDa
可任意流向截斷介質的蝶閥(雙向壓)只能單一流向截斷介質的蝶閥(單向壓)


3.蝶閥驅動方式


3679
手動減速機驅動氣動裝置驅動液動裝置驅動電動裝置驅動


4.蝶閥連接型式


4678
法蘭式對焊式對夾式凸耳式


5.蝶閥結構型式


3
三偏心面密封結構型式蝶閥


6.密封面材料代號


HYTFW
13Cr系不銹鋼司太立合金
HRC40-60度
碳化鎢
HRC70度以上
氟塑料本體材料


7.密封面結構型式


SF
蝶板密封面與閥座均為全金屬結構密封面(全金屬)多層復合材料結構密封面(多層次)


8.蝶閥公稱壓力


1、用MPa的10倍值表示2、用磅級表示


9.閥體材料代號


閥體材料碳鋼合金鋼鉻鎳鈦鋼鉻鎳鉬鈦鋼
代號CIPR

 

10.蝶閥公稱通徑


DN(mm)inchDN(mm)inchDN(mm)inch
80345018160064
100450020180072
125560024200080
150670028220088
200880032240096
25010900362600104
300121000402800112
350141200483000120
40016140056



標簽:   焊接式三偏心雙向密封蝶閥 焊接式三偏心蝶閥 焊接蝶閥
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