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天津市博雷斯特閥門有限公司

Tianjin BrastValve  Co.,Ltd.

地址:天津市空港經濟開發區航空路169號

郵編(P.C.): 300251

電話(Tel): 86 022 26327480 

傳真(Fax): 86 022 26754899

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郵箱:blstvalve@163.com

網址:www.huayphai.com


平板閘閥

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平板閘閥

  • 所屬分類:平板閘閥

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  • 發布日期:2019/12/11
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  • 詳細介紹


型號編制說明Model schedule illustration


平板閘閥


閥體材料代號Body material code

壓力等級代號Pressure grade code
密封面材質代號Sealing formation code
結構特點代號Structure manner code
結構形式代號Design feature code
連接形式代號Connecting type code
驅動方式代號Driving manner code
閥門類型代號Valve type code
特殊要求代號Special requirement code
系列代號Series code


●系列代號:本公司系列代號為FY
Series code:The serles code name of our company is FY
●特殊要求代號:K-抗硫型L一調節型zB一自動補償
SPeclal requl rement code:K-Antisulphur modeI L-Adjustment type ZB-Auto compensation
●閥門類型代號:2-閘閥
VaIve type code:ZmGate vaIve
●驅動方式代號:4-正齒輪傳動 5-傘齒輪傳動 6-氣動 6s-氣動帶手動 7-液動 9-電動(手輪傳動略) 9e-防爆電動
Driving manner code:4-Spur gear transmission 5-Bevel gear transmission 6-Air driving 6s-Take pneumatically manually.
7-Hyd rodynamic driving 9-Electric driving(Hand wheel driving omitted)98—ExpIosion electric driving.
●連接形式代號:4-法蘭連接6-對焊連接
Connecting type code:4-Flange-connecting 6-Buff welding connecting
●結構形式代號:3-明桿平行式單閘板4-明桿平行式雙閘板
Design feature code:3-Rising-stem parallel Single-disc 4-Rising-stem parallel double—disc
●結構特點代號:w-無導流孔(有導流孔省略) P-輕型
Structure manner code:Wrenon-dive rsion hole type(Dlve rsion hoIe type omitted)pmLlght-dufy
●密封面材質代號:Y-硬質合金H-合金鋼 D-滲氮鋼F-增強聚四氟乙烯
Sealing formation code:Y-Hard alloy H-alloy steel D-Nitriding steel F-Intensified polytet rafluoroefhylene(PTFE)
●壓力等級代號:公稱壓力為MPa的10倍、磅級為實際數
Pressure grade code:The 10 times of the nominal Pressure MPa Pound grade io Ptactlcal number
●閥門材料代號:c-wcB l-wc6、ZGlC r5Mo V-WC9、ZG20CrMoV P-cF8、ZGlcrl8Ni9Ti
        R-CF8M、ZGlCrl8Ni12M02Ti S-CF3 L-CF3M F-LCB N-LC3
Body material code:C-WCB l-WC6、ZGlCr5Mo V-WC9、ZG20CrMoV P-CF8、ZGlCrl8Ni9Ti
        R-CF8M、ZGlCrl8Nil2Mo2Ti S-CF3 L-CF3M F-LCB N-LC3
例1:Z543WF-16C
注釋:公稱壓力為l 6MPa、傘齒輪傳動、法蘭連接、無導流孔、明桿平行式單閘板閘閥,閥體材質為WCB,密封面材質為增強聚四氟乙烯。
ExamPIel:Z543WF-16C
Denoting 16MPa nominal rating pressure,bevel gear transmission,flange—connecting,nondiversion hole,Rising-stem paralle
Single—disc,WCB valve body material and the Intensified polytetrafluo roefhylene(PTFE)as seallng material.
例2:KZ9844Y-150Lb
注釋:壓力等級為Classl50、防爆電動、法蘭連接、有導流孔、抗硫明桿平行式雙閘板閘閥,閥體材質為WCB,密封面材質為硬質合金。
Example2:KZ9844Y-150Lb
Denoting Classl50 pressure grade,explosion electric drivin9,flange-connecting,dive rsion hole type,antisulphur rising-stem parallel double-disc gate valve,WCB valve body material and the hard alloy sealing mate rial
ter-sales service and highly competitive prices look forward to your sincere cooperation,create brilliant.


產品性能規范Products performance specification


●閥體有鑄造和焊接兩種結構。
Cast and weld two structures with the body
●閥座采用O形密封圈密封和施加預緊力的浮動閥座結構,使閥門進出El雙向密封;并且該結構的啟閉力矩僅為普通閥門的l/2,能達到輕松開、關閥門。
The seat ring uses the floating seat ring structure with O-seal ting sealed and Pre-rightenmg fo rce apPIied to have mlet and outlet dual-way sealed;and the open-close moment wifh fhis structure is l/2 that of the common valves only,able to lightly open and close valves.
●閥座采用密封面上鑲嵌PTFE,具有PTFE對金屬和金屬對金屬的雙重密封,PTFE密封面同時清除閘板臟物的作用。
The seat ring uses the sealing face inlaid with PTFE.so has dual seals of PTFE to metal and metal to metal,the PTFE sealing face also acts as removing the dirt on the wedge disc
●金屬對金屬密封的閥門,閥體外部設有注油脂結構,油脂通過注脂器、閥座進入閥門密封面,使閥門達到零泄漏。
For the valve with the metal to metal seal,there is grease injector outside of it,grease gets into the sealing face through the Injector and the seat ring fo have the valve up to null leak.
●帶導流孔閥門的閘板,無論是全開或是全關始終與密封面吻合,密封面得到保護不受介質直接;中刷,從而延長使用壽命。
The wedge disc of the valve with flow guide hole is always fitted with the sealing face whether in fullopen or fullclose status to have the sealing face Protected without being directly eroded by the medium so as to extend the duration
●閥門在全開時,通道平滑為直線,流阻系數極小,無壓力損失,可通毛球清掃管線。
When fully opened,the valve s channel is smooth and linear,with an extremely small flow resisting coefficient and no Pressure loss,and the Pipeline can be cleaned with hair-ball through it.
●本閥門采用帶自密封能力的填料結構,無需經常調節,開、關極為輕便,且密封性可靠,填料函處設有輔助密封油脂注入結構,密封性能可靠,真正達到零泄漏;解決了通用閥門填料處容易外漏的弊病。
This valve uses the Packing structure with the ability of self-seal,needs no constant adjustment,features very light open and close and a teliable seal An assisting sealing grease injection structure is set in the packing to have the sealing performance absolutely reliable and get a true null leak settling the Problem for the packing Place of universal valves to be easiest leak outward
●閥門關閉時能自動卸掉內腔高壓(詳見工作原理圖),保證使用安全。
Automatic removal of the hlgh Pressure in the internal cavity when the valve is about to close(see the working Principle dlagram
for the details)so as to ensure safety.
●全封閉結構,防護’I*生RP-好,可適應全天候要求。
Fully sealed structure leaves a good Protective Property suitable for the requirement of 24-hour duty.
●閥門設有指示桿或觀察窗以表示閥門的啟閉情況。
An indication rod or vlewmg wmdow is set with the valve to show the open-close conditlon



壓力等級
Pressure
常溫試驗壓力(MPa)
Testing pressure at constant ternperature(Mpa)
適用溫度
Applicable
temperature
適用介質
AppIicable medium
殼體試驗
The shell testing
左密封
Left sealing
右密封
Right sealing
低壓氣密封Low Pressure air tightness
普通型
0rdinary type
抗硫型
Antisulphur type
公稱壓力(MPa)
Nominal rating
pressure (PN)
1.62.41.761.760.6-29~121℃
或按用戶要求
-29~121℃ or upon the user requirement
石油、天然氣、水
等非腐蝕性介質
Petroleum natural gas warer etc non-
corroslve media
含H2S、C02的石油、天
然氣、水等腐蝕性介質
Petroleum,natural gas,
water etc,containing H2S,
C02 corrosive media
2.53.752.752.750.6
4.06.04.44.40.6
6.49.67.047.040.6
10.015.011.011.00.6
16.024.017.617.60.6
磅級(Lb)
Pound grade
(CIass)
1503.02.22.20.6
3007.55.55.50.6
60015.011.011.00.6
90022.517.517.50.6



平板閘閥  1、閥門內部壓力相當時(1),閘板處于閉合狀態,閥座表面PTFE密封環形成初始密封,每次閥門開或關時,閥座圈能清潔閘板兩側。(如圖l)
  With equal Pressu re throughout the valve(and the gate in closed position),and initiaseal(1)is formed with the raised PTFE ring on the faces of the seats(The seat-inserts clean both sides of the gate each time the valve is opened or closed)

  2、對閥門施加管道壓力時(2),壓力作用于閘板,迫使它貼近出I:1閥座上的PTFE環,壓縮它直到閘板停在鋼制閥座上,這樣,就形成了雙重密封,首先是PTFE對金屬密封,然后是金屬對金屬密封,閥座也被牢固地推到凹槽,在這一點(3),0形圈阻止任何后部介質流。(如圖2)
  As line pressure(2)is applied to the valve it acts on the gate,forcing it against the PTFE ring on the downst ream seat,comp ressing it untiI the seat against the steel seat Thus,a double seal is formed first,a PTFE-t0-metal seal:then,metal-t0-metal The seat is also forced firmly into its recess The O-ring(3)p revents any downst ream flow at this point

平板閘閥  3、閥腔壓力泄放后,形成進口密封,管道壓力作用于進口閥座(4),使其移向閘板,這時形成PTFE對金屬的密封,同時,0形圈(5)與閥座凹槽形成緊密的密封。(如圖3)
  Upstream seal is Provided when valve cavity Pressure is bled off This is caused by the force of line pressure acting against the upst ream seat(4)moving the seat against the gate and providing a tight PTFE-to metal seal at this point At the same time the O-ring(5)forms a tight seal with the seaf recess

  4、閥門自動泄放多余的壓力,當閥腔壓力大于管道壓力時,由于熱膨脹,進口閥座推向凹槽閥腔內多余的壓力在閥座與閘板之間泄放到管道中。(如圖4)
  Valve automatically reIieves itself of excessive valve cavity Pressure When valve cavity Pressure exceeds line Pressure from such causes as thermal expansion the upstream seat is forced back into its recess and the excess Pressure in the valve cavity is bled between the seat and the gate into the line.




產品主要參數Main parameter of the products

基本型號Serial models(K)Z43WF、(K)Z43WY、(K)Z43WD、(K)Z44WF、(K)Z44WY、(K)Z44WD
(K)Z543WF、(K)Z543WY、(K)Z543WD、(K)Z544WF、(K)Z544WY、(K)Z544WD
(K)Z643WF、(K)Z643WY、(K)Z643WD、(K)Z644WF、(K)Z644WY、(K)Z644WD
(K)Z943WF、(K)Z943WY、(K)Z943WD、(K)Z944WF、(K)Z944WY、(K)Z944WD
壓力等級范圍Pressure grade rangePNl.6~15.0MPaClassl50~900
通徑范圍Drift diameter rangeDN25~1000mm1“-40”
驅動方式Driving manner手輪驅動
Hand wheel driving
齒輪動、氣動、液動、電動 Gear driving,air-operating,hydrodynamic driving and electric driving
適用范圍Scope of applicationClassl50~300
(PNl.6~4.0)
Class400
(PN6.4)
Class600~900
(PNl0.0~15.0)
Classl50~900
1"-40"(DN25-1000mm)1"-28"(DN25-700mm)1"-12"(DN25-300mm)1"-40"(DN25-1000mm)
量特性分析
帶導流孔的平板閘閥,其流量特性等同于同規格的管道,呈等百分比特性,不帶導流孔的平板閘閥,其中腔跨度較楔式閘閥小,且屬于規則的圓柱體,所以,基本上除壓力損失較帶導流孔的大外其余特性基本接近。不帶導流孔調節型的平板閘閥其對流量的調節特性優于普通不帶導流孔的平板閘閥。
FlOW CharalteristiC
The flow characteristic of flat gate valves with a diverslon hole is equal to that of pipelines of the same specification The characteristic is shown in per centum form As for valves without a diversion hole its cavity fly span is smaller than that of wedge gate vales and it is a regular cylindrical object,the refore,characte ristics of the valves are similar except that they have a larger Pressure loss Besides, their flux adjustment behavior is better than that of the ones with a deversion hole.

閥門開度-Cv特性曲線表
Valve-opening-Cv characteristic graph

各類型閘閥外形圖室Outside drawing of different types of shutter

平板閘閥

帶導流孔型平板閘閥的DN-Cv曲線圖 DN-Cv graph of flat valves with a diversion hole









產品采用標準Technical specification

設計依據Design referenceGBAPI
設計標準Design standardJB/T5298
GB/Tl9672
API 6D ASME Bl6.34
結構長度Structural length

法蘭
Flanged

GB/Tl2221
GB/Tl9672、JB/T5298
API 6D ASME Bl6.10
焊接
Welded connection
GB/Tl5188.1
GB/Tl9672
連接法蘭
Flanaed ends
GB/T9113
JB/T79
ASME Bl6.5 MSS SP44
對焊端
Butt-welding ends
GB/Tl2224ASME Bl6.25
試驗和檢驗
Test&inspection
JB/T9092API 6D
APl598

平板閘閥價格

注:閥門連接法蘭尺寸可根據用戶要求設計制造。
Note The sizes of valve connecting flange can be designed according to customers‘requirement



主要零件材料Major parts material form

序號No.
零件名稱
Accessory name
材料Material
普通型Ordinary type抗硫型Antisulphur type
GBASTMGBASTM
1排污堵頭Blowdown stops
25+Zn
A105+Zn
1Crl8Ni9A276-304
2注脂接頭Grease injiction joint25+ZnA105+Zn25+ZnA105+Zn
3閥體BodyWCBA216-WCBWCB
A216-WCB
4閘板Disc16Mn+EPNA105+EPN1Crl8Ni9
A276-304
5閥座Seat
16Mn+PTFEA105+PTFE1Crl8Ni9+PTFE
A276-304+PTFE
6O形圈O-RingNBRNBRFPMFPM
7閥桿Stem
2Cr13A276-4201Crl8Ni9A276-304
8填料座Packing seat2Cr13A276-4202Cr13A276-420
9Y型圈“Y”ringNBRNBRFPMFPM
10密封套Sealing shroud 
2Cr13A276-4202Cr13A276-420
11指示桿Indicating stem1Crl8Ni9A276-3041Crl8Ni9A276-304
12墊片Gasket柔性石墨+1Crl8Ni9
Graphite+1Crl8Ni9
柔性石墨+304
Graphite+304
柔性石墨+1Crl8Ni9
Graphlte+1Crl8Ni9
柔性石墨+304
Graphite+304
13閥蓋BonnetWCBA216-WCBWCBA216-WCB
14螺柱Stud
35CrMoAA193-B735CrMoAA193-B7
15螺母Nut
45A194-2H45A194-2H
16支架YokeWCBA216-WCBWCBA216-WCB
17閥桿螺母Stem nut
ZQAl9-4C95500ZQAl9-4C95500
18壓蓋Glandt
25A10525A105
19手輪Hand wheel
25A536-60-40-1825A536-60-40-18
20指示罩Indicating cover1Crl8Ni9A276-304251Crl8Ni9A276-304

注:閥門主要零部件材質可根據實際工況條件或用戶特殊要求設計選用。
  Notes The majo r parts of the valves can be designed and selected according to actual work condition or customers’specific requirement



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