仪表针形截止阀

仪表针型阀，是仪表测量管路系统中重要组成部分，主要有截止阀和球阀，主要用于作开启或切断管道通路用。安装要点：阀门安装前必须进行外观检查，阀门的铭牌应符合现行国家标准《通用阀门标志》GB 12220的规定。仪表针型阀阀体外表面还受到大气腐蚀，一般钢铁材料都以刷漆来防护。

性能规范Specifications

公称压力PN Nominal pressure2.54.06.4162532MPa壳体试验压力Shell test pressure3.756.09.62437.548高压密封试验压力High pressure seat test2.754.47.0417.627.535.2低压气密封试验压力Low pressure seat test0.5～0.7适用介质Applicable mediumC,I水、油品、蒸汽Water,oil,steamP硝酸类Nitric acidR醋酸类Acetic acid适用温度Applicable temperatureC P,R I ≤450℃ ≤560℃ ≤540℃

PNPN2.5(25)PN4.0(40)PN6.4(64)PN16(160)PN25(250)PN32(320)型号 Type

J23W-25

J23H-25

J23W-25I

J23H-25I

J23W-25P

J23W-25R

J23W-40

J23H-40

J23W-40P

J23W-40R

J23W-64

J23H-64

J23W-64P

J23W-64R

J23W-60Ⅲ

J23H-160

J23W-160P

J23W-160R

J23W-250

J23H-250

J23W-250I

J23H-250I

J23W-250P

J23W-250R

J23W-320

J23H-320I

J230W-320P

J23W-230R

NDdHH₁LD₀61211212262651014124134766515221451609010020281601601001002534185210105100

主要外形尺寸和连接尺寸Main external and connecting dimensions

型号TypeDNG(in)LbH₁H₂D₀

J13H-25

J13H-40

J13W-25P

J13W-40P

151/2901819020165203/411022214227652511302623525080325/416027267283100403/21903030532712050222035328353140

J13H-40

J13H-40

J13W-25P

J13W-40P

151/2901819020165203/411022214227652511302623525080325/416027267283100403/21903030532712050222035328353140

型号TypeDNDD₁LL₁HH₁D₀

J24H-25

J24N-40

J24H-150

J24W-25P

J24W-160P

691471201521586510121871221721808015162293262852921202022281073133534514025273411832355368140
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