一、執(zhí)行標(biāo)準(zhǔn):
設(shè)計(jì)與制造標(biāo)準(zhǔn):JB/T7749-95、BS 1873、JIS B2071、JIS B2081;
結(jié)構(gòu)長度標(biāo)準(zhǔn):GB/T12221-89、ASME 、JIS B2002;
壓力溫度標(biāo)準(zhǔn):ASME B ;
連接端:GB/T9113-2000,HG20592-97,SH3406-96GB/T12224-89;
檢驗(yàn)與試驗(yàn)標(biāo)準(zhǔn):JB/T7749-95、API 598、JIS B2003、BS 6755;
二、基本型號:
DJ41Y低溫截止閥的型號有DJ41Y-16、DJ41Y-16C、DJ41Y-16P、DJ41Y-25、DJ41Y-25P、DJ41Y-25R、DJ41Y-40、DJ41Y-40P、DJ41Y-40R、DJ641Y-16C、DJ641Y-25C、DJ641Y-40C、DJ641Y-16P、DJ641Y-25P、DJ641Y-40P、DJ641Y-16R、DJ641Y-25R、DJ641Y-40R、DJ9B41Y-16C、DJ9B41Y-16P、DJ9B41Y-16R、DJ9B41Y-25C、DJ9B41Y-25P、DJ9B41Y-25R、DJ9B41Y-40C、DJ9B41Y-40R、DJ9B41Y-40P等。
三、性能參數(shù):
公稱壓力:、、;
適用溫度:-45℃、-101℃、-196℃;
適用介質(zhì):丙烯、乙烯、液化天然氣等低溫的介質(zhì);
閥體和閥蓋的材質(zhì):LCB、CF8、CF8M、CF3、CF3M;
閥瓣和閥座的材質(zhì):鉻鎳鋼、鈷鉻鎢;
閥桿的材質(zhì):鉻鎳鋼;
四、外形尺寸:
稱通徑 | 主要外形尺寸和連接尺寸 | H | ||||||||
L | D | D1 | D2 | b | Z-d | D0 | -46℃ | -101℃ | -196℃ | |
DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16RDJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R | ||||||||||
50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 240 | 460 | 480 | 520 |
65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 280 | 475 | 505 | 525 |
80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 280 | 520 | 550 | 590 |
100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 320 | 545 | 575 | 615 |
125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 360 | 590 | 620 | 660 |