產(chǎn)品詳細(xì)介紹
美國(guó)REGO BK & BKA 系列長(zhǎng)閥桿型低溫截止閥
應(yīng)用場(chǎng)合
BK和BKA系列截止閥，是專門設(shè)計(jì)對(duì)用于低溫液體的大型儲(chǔ)罐、運(yùn)輸和管道進(jìn)行控制。該系列截止閥能夠?qū)崿F(xiàn)的關(guān)閉，此外還有長(zhǎng)壽命，低維護(hù)費(fèi)用的優(yōu)點(diǎn)。該系列截止閥有各種進(jìn)出口連接尺寸及多種閥桿長(zhǎng)度以供選擇。BK系列閥門與Sch 5不銹鋼管的連接方式為銅焊接。
結(jié)構(gòu)特點(diǎn)
·采用CTFE （三氟氯乙烯）材料制造的閥座以及旋轉(zhuǎn)式的設(shè) 計(jì)，使閥門能的關(guān)閉，并且有很長(zhǎng)的壽命；
·的彈簧設(shè)計(jì)延長(zhǎng)了使用壽命；
·一件式閥座易于更換；
·所有閥都經(jīng)過(guò)壓力測(cè)試；
·所有閥都經(jīng)清洗，并達(dá)到美國(guó)壓縮氣體協(xié)會(huì)G-4.1.要求, 可用于液氧設(shè)備；
·工作壓力為
材質(zhì)
閥體.................................................青銅
閥蓋.................................................黃銅
閥座密封........................................三氧氯乙烯
閥座導(dǎo)圈..............................................黃銅
閥桿及蓋延伸管......................................不銹鋼
彈簧,墊片...........................................不銹鋼
連接環(huán)和壓力密封環(huán)..............................聚四氟乙烯
上閥蓋,密封接頭.......................................黃銅
手柄........................................小于1"的使用鋁,
大于1"的使用鍛鐵
閥桿的設(shè)計(jì)
螺栓連接的閥桿1/2",3/4",1"供1"BKA8408S和1-1/2"
BKA8412S90度截止閥選擇。
活接閥桿的設(shè)計(jì)用于BK9410,BK9412和BK9416。
訂貨資料及尺寸
| 零件代號(hào) | 閥體型式 | 進(jìn)口/出口連接尺寸A | 開啟時(shí)高度B（接近值） | 長(zhǎng) 度C | D | Cv系數(shù) |
| BK8404S | Straight 180度截止閥 | .631"_.634" | 9-5/32" | 3-11/16" | 1" | 4.7 |
| BK8404T | 1/2"F.NPT | |||||
| BK8404ST | .631"_.634"*1/2"F.NPT | |||||
| BK9404S | .631"_.634" | 14-1/2" | 3-11/16" | 1" | 4.7 | |
| BK9404T | 1/2"F.NPT | |||||
| BK9404AA | 1/2"Sch5 Pipe | 9-11/16" | ||||
| BK | 1/2"Sch5 Pipe*1/2"F.NPT | 6-11/16" | ||||
| BK9404ST | .631"_.634"*1/2"F.NPT | 3-11/16" | ||||
| BK8406S | .881"_.884" | 9-5/32" | 3-11/16" | 1" | 6.7 | |
| BK8406T | 3/4"F.NPT | |||||
| BK9406S | .881"_.884" | 14-1/2" | 3-11/16" | 1" | 6.7 | |
| BK9406T | 3/4"F.NPT | |||||
| BK8408S | 1.131"_1.134" | 9-1/8" | 4-5/16" | 1-1/8" | 11.2 | |
| BK8408T | 1"F.NPT | |||||
| BK9408S | 1.131"_1.134" | 14-1/2" | 4-5/16" | 1-1/8" | ||
| BK9408T | 1"F.NPT | |||||
| BK9408AA | 1"Sch5 Pipe | 10-5/16" | 1-1/6" | |||
| BK | 1"Sch5 Pipe*1"F.NPT | 7-5/16" | 1-1/8" | |||
| BK9410S° | 1.378"_1.380" | 16-7/16" | 5-3/16" | 1-1/2" | 17.5 | |
| BK9412S° | 1.631"_1.634" | 16-9/16" | 25.1 | |||
| BK9412T° | 1-1/2"F.NPT | |||||
| BK9412AA | 1-1/2"Sch5 Pipe | 11-3/16" | ||||
| BK | 1-1/2"Sch5 Pipe*1-1/2"F.NPT | 8-3/16" | ||||
| BK9416S° | 2.131"_2.134" | 16" | 6" | 1-5/8" | 41 | |
| BK9416T° | 2"F.NPT | |||||
| BK | 2"Sch5 Pipe*2"F.NPT | 9" | ||||
| BKA8408S | Angle 90度截止閥 | 1.131"_1.134"*1.631"-1.634" | 11-1/4" | 3-1/4" | 1-3/4" | 14.5 |
| BK9408S | 14-5/8" | |||||
| BK8412S | 1631"_13.634" | 13" | 4-1/4" | 30.0 |
