進(jìn)口法蘭截止閥
產(chǎn)品品牌 | 美國威盾VTON |
*一級代理商 | 深圳名閥進(jìn)出口貿(mào)易有限公司 |
| |
黃 | |
http://www.vtongroup.com |
驅(qū)動方式: 手動 連接形式: 法蘭
結(jié)構(gòu)形式: 進(jìn)口法蘭截止閥 密封結(jié)構(gòu): 不銹鋼硬密封
壓力范圍: 0.5MPa-32MPa 公稱通徑: DN15-DN1000mm
常用材質(zhì): 碳鋼、不銹鋼、304、304L、316、316L、WCB、WC6、WC9 德國力特LIT產(chǎn)品詳情
,也叫法蘭截門,在管道中起到流體的開關(guān)作用,它的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運(yùn)動。閥桿的運(yùn)動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。
截止閥屬于強(qiáng)制密封式閥門,所以在閥門關(guān)閉時,必須向閥瓣施加壓力,以強(qiáng)制密封面不泄漏。當(dāng)介質(zhì)由閥瓣下方進(jìn)入閥門時,操作力所需要克服的阻力,是閥桿和填料的摩擦力與由介質(zhì)的壓力所產(chǎn)生的推力,關(guān)閥門的力比開閥門的力大,所以閥桿的直徑要大,否則會發(fā)生閥桿頂彎的故障。近年來,從自密封的閥門出現(xiàn)后,截止閥的介質(zhì)流向就改由閥瓣上方進(jìn)入閥腔,這時在介質(zhì)壓力作用下,關(guān)閥門的力小,而開閥門的力大,閥桿的直徑可以相應(yīng)地減少。同時,在介質(zhì)作用下,這種形式的閥門也較嚴(yán)密。我國閥門“三化給”曾規(guī)定,截止閥的流向,一律采用自上而下。
截止閥開啟時,閥瓣的開啟高度,為公稱直徑的25%~30%時,流量已達(dá)到zui大,表示閥門已達(dá)全開位置。所以截止閥的全開位置,應(yīng)由閥瓣的行程來決定。
法蘭截止閥 壓力試驗
公稱壓力PN(Lb) NominalPressure 強(qiáng)度試驗 Shell Test 氣密封試驗 Air Seal Test 氣密封試驗 Air Seal Test
法蘭截止閥主要零件材料及性能
體、蓋 閥桿 密封面 墊片(環(huán)) 填料 工作溫度 適用介質(zhì)
WCB 2Cr13
13Cr STL 木體材料With Body Material 尼龍 Nylon
增強(qiáng)柔性石墨13Cr/柔性石墨EnhancedFlexibleGraphite1Cr13/FlexibleGraphiteSFB-208軟鋼08 Soft StealF304F316F304LF316L
柔性石墨 增強(qiáng)柔性石墨FlexibleGraphite Enhanced Flexible Graphite SFB/260SFP/260PTFE ≤425
水 蒸汽 油品Water SteamPetroleumProducts
WC1
38CrMoAl 25Cr2MoV ≤425
WC6 ≤540
WC9 ≤570
C5 C12 ≤540
CF8 F304
≤200
硝酸 醋酸尿素 Nitric acid Acetic acid
進(jìn)口波紋管截止閥,BELLOWS GLOBE VALVE,也叫波紋管密封截止閥,是指采用雙重的密封設(shè)計(波紋管+填料)結(jié)構(gòu)設(shè)計,密封性好,特別適用于蒸汽、導(dǎo)熱油、劇毒、強(qiáng)腐氣液介質(zhì)密封可靠性要求特別高的工況。
進(jìn)口截止閥:http://www.vtongroup.com/products/7.html
進(jìn)口波紋管截止閥:http://www.vtongroup.com/products/typelist/25.html
進(jìn)口鑄鋼截止閥:http://www.vtongroup.com/products/typelist/26.html
進(jìn)口不銹鋼截止閥:http://www.vtongroup.com/products/typelist/27.html
進(jìn)口鍛鋼截止閥:http://www.vtongroup.com/products/typelist/28.html
進(jìn)口波紋管截止閥:http://www.vtongroup.com/products/detail/191.html
進(jìn)口國標(biāo)波紋管截止閥:http://www.vtongroup.com/products/detail/192.html
進(jìn)口德標(biāo)波紋管截止閥:http://www.vtongroup.com/products/detail/193.html
進(jìn)口美標(biāo)波紋管截止閥:http://www.vtongroup.com/products/detail/194.html
進(jìn)口鍛鋼波紋管截止閥:http://www.vtongroup.com/products/detail/195.html
進(jìn)口角式波紋管截止閥:http://www.vtongroup.com/products/detail/196.html
進(jìn)口不銹鋼波紋管截止閥:http://www.vtongroup.com/products/detail/197.html
進(jìn)口焊接波紋管截止閥:http://www.vtongroup.com/products/detail/198.html
進(jìn)口螺紋波紋管截止閥:http://www.vtongroup.com/products/detail/199.html
進(jìn)口鑄鋼截止閥:http://www.vtongroup.com/products/detail/200.html
進(jìn)口鑄鋼法蘭截止閥:http://www.vtongroup.com/products/detail/201.html
進(jìn)口美標(biāo)截止閥:http://www.vtongroup.com/products/detail/202.html
進(jìn)口日標(biāo)截止閥:http://www.vtongroup.com/products/detail/203.html
進(jìn)口天然氣截止閥:http://www.vtongroup.com/products/detail/204.html
進(jìn)口保溫截止閥:http://www.vtongroup.com/products/detail/205.html
進(jìn)口襯膠截止閥:http://www.vtongroup.com/products/detail/206.html
進(jìn)口襯氟截止閥:http://www.vtongroup.com/products/detail/207.html
進(jìn)口蒸汽截止閥:http://www.vtongroup.com/products/detail/208.html
進(jìn)口不銹鋼截止閥:http://www.vtongroup.com/products/detail/209.html
進(jìn)口不銹鋼法蘭截止閥:http://www.vtongroup.com/products/detail/210.html
進(jìn)口不銹鋼美標(biāo)截止閥:http://www.vtongroup.com/products/detail/211.html
進(jìn)口不銹鋼日標(biāo)截止閥:http://www.vtongroup.com/products/detail/212.html
進(jìn)口不銹鋼內(nèi)螺紋截止閥:http://www.vtongroup.com/products/detail/213.html
進(jìn)口不銹鋼內(nèi)螺紋針型閥:http://www.vtongroup.com/products/detail/214.html
進(jìn)口不銹鋼焊接截止閥:http://www.vtongroup.com/products/detail/215.html
進(jìn)口不銹鋼高壓截止閥:http://www.vtongroup.com/products/detail/216.html
進(jìn)口鍛鋼截止閥:http://www.vtongroup.com/products/detail/217.html
進(jìn)口A105截止閥:http://www.vtongroup.com/products/detail/218.html
進(jìn)口鍛鋼焊接截止閥:http://www.vtongroup.com/products/detail/219.html
進(jìn)口鍛鋼螺紋截止閥:http://www.vtongroup.com/products/detail/220.html
進(jìn)口鍛鋼自密封截止閥:http://www.vtongroup.com/products/detail/221.html
進(jìn)口鍛鋼法蘭截止閥:http://www.vtongroup.com/products/detail/222.html
進(jìn)口鍛鋼高壓截止閥:http://www.vtongroup.com/products/detail/223.html
進(jìn)口大口徑高壓截止閥:http://www.vtongroup.com/products/detail/224.html
美國威盾VTON進(jìn)口截止閥產(chǎn)品導(dǎo)航 | |||
進(jìn)口波紋管截止閥 | 進(jìn)口鑄鋼截止閥 | 進(jìn)口不銹鋼截止閥 | 進(jìn)口鍛鋼截止閥 |
進(jìn)口波紋管截止閥 進(jìn)口國標(biāo)波紋管截止閥 進(jìn)口德標(biāo)波紋管截止閥 進(jìn)口美標(biāo)波紋管截止閥 進(jìn)口鍛鋼波紋管截止閥 進(jìn)口角式波紋管截止閥 進(jìn)口不銹鋼波紋管截止閥 進(jìn)口焊接波紋管截止閥 進(jìn)口螺紋波紋管截止閥 | 進(jìn)口鑄鋼截止閥 進(jìn)口鑄鋼法蘭截止閥 進(jìn)口美標(biāo)截止閥 進(jìn)口日標(biāo)截止閥 進(jìn)口天然氣截止閥 進(jìn)口保溫截止閥 進(jìn)口襯膠截止閥 進(jìn)口襯氟截止閥 進(jìn)口蒸汽截止閥 | 進(jìn)口不銹鋼截止閥 進(jìn)口不銹鋼法蘭截止閥 進(jìn)口不銹鋼美標(biāo)截止閥 進(jìn)口不銹鋼日標(biāo)截止閥 進(jìn)口不銹鋼內(nèi)螺紋截止閥 進(jìn)口不銹鋼內(nèi)螺紋針型閥 進(jìn)口不銹鋼焊接截止閥 進(jìn)口不銹鋼高壓截止閥 | 進(jìn)口鍛鋼截止閥 進(jìn)口A105截止閥 進(jìn)口鍛鋼焊接截止閥 進(jìn)口鍛鋼螺紋截止閥 進(jìn)口鍛鋼自密封截止閥 進(jìn)口鍛鋼法蘭截止閥 進(jìn)口鍛鋼高壓截止閥 進(jìn)口大口徑高壓截止閥 |