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低温截止阀


产品型号:DJ41Y
公称通径:DN50mm~DN300mm
压力范围:PN1.6MPa~4.0MPa
使用温度:-40℃~-196℃~254℃
适用介质:LNG、LO2、LN2、LPG
制造标准:GB/T24925-2010
防火标准:JB/T6899-1993
阀门材质:CF8 不锈钢
密封填料:PTFE 聚四氟乙烯
手轮材质:Y102 铝合金
连接方式:法兰

产品概述

      低温截止阀主要用于零下(-46℃~-196℃~254℃)低温液体介质的管道中,作为介质的接通和开关截断。截止阀的阀体以及与介质接触的配件均采用特殊低温处理。流道设计为低进高出,顺时针方向旋转手轮使阀杆阀芯的密封填料与流道口严封紧闭为关闭截断。手轮逆时针方向旋转阀杆阀芯上升脱离流道口介质流通为开启。


产品特点

1、低温截止阀所有与介质接触部位均采用低温处理,确保阀门能在各种不同的低温介质中安全使用。

2、可根据现场的介质的温度,来选择阀门(零下-46℃~-101℃)选用短轴截止阀,(-101℃~254℃)则选用长轴截止阀。


主要性能规范

型号

DJ41Y-16

DJ41Y-16P

DJ41Y-25

DJ41Y-25P

DJ41Y-40

DJ41Y-40P

工作压力(MPa)

1.6

2.5

4.0

适用温度(℃)

-45

-101

-196

适用介质

液化天然气、乙烯、丙烯等低温介质

材料

阀体、阀盖

LCB

LC3

LCB

LC3

LCB

LC3

阀瓣、阀座

铬镍钢+钴铬钨

阀杆

铬镍钢


主要外形连接尺寸(mm)

公称通径主要外形尺寸和连接尺寸H
LDD1D2bZ-dD0-46℃-101℃-196℃
DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R
50230160125100164-18240460480520
65290180145120184-18280475505525
80310195160135208-18280520550590
100350215180155208-18320545575615
125400245210185228-18360590620660
150480280240210248-23400650650730
2006003352952652612-23400850850930
2507304053553203012-254509569861036
3008504604103753012-25500109511251175
DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P DJ9B41Y-25R
50230160125100204-18240460480520
65290180145120228-18280475505525
80310195160135228-18280520550590
100350230190160248-23320545575615
125400270220188288-25360590620660
150480300250218308-25400650680730
2006003603102783412-25400850880930
2507304253703323612-304509569861036
3008504854303904016-30500109511251175
DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P DJ9B41Y-40R
5023016012510020-240483504546
6529018014512022-280499530551
8031019516013522-280546578620
10035023019016024-320572604646
12540027022018828-36062061693
15048030025021830-400683741767
20060036032028238-400893924977
25073042538534542-450100410351088
30085048545040846-500115011811234