G91 化工机械与设备零部件 标准查询与下载

HG/T 21623-1990 硬聚氯乙烯视镜

Rigid PVC sight glass

DIN 28129:1990 盖板用压紧螺母

The standard applies to lifting nuts for closures on vessels and equipment which predominantly serve for process purposes.

Clamp nuts; for covers

DIN 28125 Bb.1:1989 铰链盖.提升装置结构的示例

Hinged covers; example for construction of a lifting aid

HG/T 21634-1988 锻钢承插焊管件

Forged Steel Socket Welding Fittings

DIN 28081-2:1988 容器的型钢支座.尺寸、材料和结构

This standard applies to profile supports for non-lined vessels which are predominantly used in process plants.

Vessel supports made of steel sections; dimensions, material and design

DIN 28081-4:1988 容器的型钢支座.第4部分:支承负荷通过支架作用于容器壁的最大弯曲力矩

This standard applies to profile supports for non-lined vessels which are predominantly used in process plants.

Steel profile supports for vessels; maximum permissible moments on the vessel wall due to profile support loads

HG/T 3213-1987 聚丙烯鲍尔环填料落锤冲击试验方法

本方法适用于公称直径D|(g)50mm聚丙烯鲍尔环填料落锤冲击性能的测定。其他尺寸规格可选择适当的重锤和冲头，参照本方法进行测定。

Drop impact test of polypropylene pall packing

HG/T 3214-1987 聚丙烯鲍尔环填料抗压试验方法

本方法适用于公称直径D.50mm聚丙烯鲍尔环抗压性能的测定。其他尺寸规格可选择适当的试验速度，参照本方法进行测定。

Compression test method of polypropylene pall ring packing

HG/T 3216-1987 聚丙烯鲍尔环填料长期热变形试验方法

本方法适用于公称直径D|(g)50mm聚丙烯鲍尔环长期热变形性能的测定。其他规格尺寸的，可选择适当的负荷重量，参照本方法进行测定。

Long-term heat distortion test method of polypropylene pall ring packing

HG/T 21635-1987 碳钢、低合金钢无缝对焊管件

本标准适用于以碳钢、低合金钢制造的无缝对焊管件。包括三通(等径与异径)，90°弯头(长半径和短半径)，异径管(同心与偏心)和管帽四种，分公制和英制两个系列。 根据目前国内生产情况和使用情况，这四种管件的直径范围定为：等径三通、异径三通主管；90°弯头；同心异径管、偏心异径管大端；管帽的公称直径为50～600mm(2″～24″)，异径三通其支管的最小公称直径为大端公称直径之半。公制管件公称压力分为PN25。40、64、100kgf/cm2(即2.5MPa，4.0MPa，6.4MPa、10MPa)四档。璧厚按材料许用应力〔σ〕=1310kgf/cm2，介质腐蚀裕度取1.5mm算出，英制管件接管标号(Schedule Number简写为Sch××)分为Sch40，Sch80、Sch160兰种。 本标准中所采用的单位：长度为mm(注明cm除外)、荚寸：压力为kgf/cm^(2)(1kgf/cm^(2)≈O.1MPa)；重量为kg。 所有管件的管接口厚度见管件接管规格表，订货者如有特殊要求可另提。

Carbon steel, low alloy steel seamless butt welding pipe fittings

DIN 28135:1987 搅拌器的立式轴用法兰盘联轴器的轴向止推垫圈

Axial thrust washers are used for retaining half couplings on shaft end. Axial thrust washers max also be used for flexible couplings.

Axial thrust washers for flange couplings of vertical shaft for agitators

HG/T 21636-1987 玻璃钢／聚氯乙烯（FRP／PVC）复合管和管件

Fiberglass/polyvinyl chloride (FRP/PVC) composite pipes and fittings

HGJ 504-1986 常压不锈钢人孔

Atmospheric stainless steel manhole

HGJ 511-1986 平盖不锈钢手孔

Flat cover stainless steel hand hole

HGJ 512-1986 回转盖快开不锈钢手孔

Rotary cover quick opening stainless steel hand hole

HGJ 513-1986 旋柄快开不锈钢手孔

Rotary handle quick opening stainless steel hand hole

HGJ 510-1986 常压快开不锈钢手孔

Atmospheric pressure quick opening stainless steel hand hole

HGJ 509-1986 长圆快开不锈钢人孔

Long round quick opening stainless steel manhole

HGJ 508-1986 垂直吊盖不锈钢人孔

Vertical hanging cover stainless steel manhole

HGJ 507-1986 水平吊盖不锈钢人孔

Horizontal hanging cover stainless steel manhole