亚洲av精品久久99_成人毛片a级毛片免费观看99_午夜在线观看www免费_一级黄色视频免费观看不卡_在线观看免费国产黄片啊啊啊受不了了_av手机网址_一区二区三区四区久久爱_久久亚洲精华国产精华

Your Position: Home > Support > Service Center

Needle Valve Ordering Notice - Shanghai Gongkai Valve

2016/11/21??????view:
The ordering instructions for Shanghai Gongkai Valve Needle Valve are as follows:
一、Select and order products based on national standard models. If there are any other requirements or changes to the following items, they should be explained in the purchase contract.
1、Valve pressure rating:PN/Mpa、kgf、CL 、PSI
2、Valve specifications
3、Connection methods: thread, socket, butt welding, sleeve and flange connection
4、Valve structure length execution standard
5、Valve structure form: straight through, angle type
6、The main component materials of the valve. (or fluid medium performance)
二、For all forms of butt welding (BW) and sleeve connection, the specifications of the connecting pipe for the butt welding or sleeve (including the outer diameter of the pipe and the thickness of the joint) must be specified.
三、National and American standard socket (SW) hole size and threaded end size。
針型閥尺寸




JB ANSI GB ANSI
DN NPS(in) S L1 S L1 T1(公制) G、RC NPT
6(8) 1/4 14.5 10 14.1 10 M20×1.5 1/4
10 3/8 18.4 10 17.55 10 M24×1.5 3/8
15 1/2 22.5 10 21.7 10 M30×2 1/2
20 3/4 28.5 11 27.05 13 M36×2 3/4
25 1 34.5 12 33.8 13 M42×2 1
Note:
G Non threaded sealed pipe thread: GB7307
Rc uses thread sealed pipe threads (circular pile internal threads) with a tooth angle of 55 °; GB7306
NPT tooth profile angle 60 °. ANSI B1.20.1
石台县| 凉城县| 安溪县| 从化市| 准格尔旗| 英超| 华池县| 徐水县| 安宁市| 朝阳区| 喀什市| 鹤山市| 永川市| 甘谷县| 湟中县| 屏东县| 江华| 南陵县| 出国| 偏关县| 邓州市| 凤凰县| 四会市| 广宗县| 临夏县| 延吉市| 甘谷县| 新和县| 黄陵县| 兴国县| 新乐市| 寻乌县| 祥云县| 武陟县| 敦煌市| 托里县| 南康市| 丰城市| 永昌县| 深泽县| 平湖市|