◆ 产品型号： J44H GJ44H AL44H J47Y L44H 原理- 角式截止阀产品结构合理、密封可靠、性能优良、造型美观；密封面堆焊Co基硬质合金、耐磨、耐腐、无泄漏、抗摩擦性能好、使用寿命长；阀杆调质及表面氮化处理，有良好的抗腐和抗摩擦性能；密封好性能更可靠。 设计与制造标准-- ●设计与制造：BS1873、BS5160、GB/T12235 ●法兰尺寸：ANSI/ASME B16.5、JB/T79、GB9113 ●压力温度：ANSI/ASME 16.34、GB/T9131 ●结构长度：ANSI/ASME 16.10、BS1873、GB/T12221 ●对焊连接尺寸：ANSIB16.25、GB/T12224 ●检验与实验：BS6755、GB/T13927● 设计与制造：GB12233 ● 法兰尺寸：GB9113 ● 结构长度：GB12221 ● 检验与实验：GB/T13927 【 J44H型高压截止阀主要连接与外形尺寸 】 型 号通径 DN(mm)主要连接尺寸外形尺寸 LDD 1MD 2bZ-фdL OHH 1 AJ44H-320 AL44H-3203607042M14×1.510153-161007177 6607042M14×1.510153-161508094 J44Y-160 L44Y-16010909560M24×210203-18200260275 151059560M24×216203-18200268288 J44Y-320 L44Y-32010909560M24×210203-18200268275 1510510568M33×217203-18200268288 J44Y-160 L44Y-1602512010268M33×228203-18300225245 3213511580M42×237224-18300222248 40165165115M52×247286-26350265300 50190165115M64×359326-26400303345 J44Y-320 L44Y-3202512011580M42×235224-18300225245 3213513595M48×241254-22300222248 40165165115M64×358326-26350265300 50190200145M80×370406-29400303345 GJ44H-160 GL44H-16065215200145M80×373406-29710430490 80260225170M100×393506-33810520600 100290260195M125×4115606-36850595685 GJ44H-320 GHJ44H-32065215225170M100×390506-33710430490 80260260195M125×4112606-36810520600 100290300235M155×4130758-39850595285