91精品麻豆_在线观看超碰_亚洲av乱码中文一区二区三区_国产一级片一区_99久久精品熟女高潮喷水免费_亚洲成av人片在线观看无码不卡

Stop valve for dark bar ammonia

Dateline:2014-11-30    Hits:

Product performance specification for Products Perfomance specification

A, use and performance specification

Pressure rating at room temperature test pressure (Mpa)

Housing sealing seal test

Nominal pressure (Mpa) 1.6 2.4 1.76 1.76

2.5 3.75 2.75 2.75

4 6 4.4 4.4

Application of the temperature of -40~+80 DEG C

Applicable medium ammonia, liquid ammonia, natural gas, liquefied petroleum gas,etc.

This valve is used in the city of liquefied petroleum gas storage station, is also used inoil refineries, petrochemical plants, liquefied gas system in petrochemical plant, as theopening and closing device control medium cut

Two, the operating principle and structure

1, the hand wheel clockwise turn, the valve rod to move downwards, the valve flap down so that the sealing surface of sealing, the channel cut off. The downturn is open, the valve rod sealing effect referred to the highest point.

2, the valve sealing a increased. In the valve open state, and filling the role with two seals, and has certain protective function to the filler

3, the valve using nylon products as a sealing cover, packing soft forming filler, the seal for the soft material, good sealing performance.

Three, the material of main parts:

Part name materials

The valve body valve cover WCB LCB CF8

Stem Cr13 F304

The valve clack of nylon 1010 F4 babbit alloy (B)

The valve stem nut Cr13 F304

Stuffing PTFE + NBR

Shim XB450

Handwheel nodular cast iron

Four, the main dimensions and connection dimensions:

DN L D D1 D2 B F Z-D H D0

15130956545162 with 4- 14207120

201501057555162 with 4- 14217120

251601158565162 with 4- 14219120

3219013510075182 with 4- 18280160

4020014511085183 with 4- 18330200

50230160125100203 with 4- 18350240

65290180145120223 with 8- 18400280

80310195160135223 with 8- 18430320

100350135190160243 with 8- 23465360

125400270220188283 with 8- 25558400

150480300250218303 with 8- 25611400

200600360310278343 with 12- 25710450


手機網站

主站蜘蛛池模板： 久久精品人妻中文系列 | h动漫精品 | 在线观看国产 | 久久99精品久久久久久动态图 | av天天爽 | 麻豆乐园 | 日本xxxx高清色视频在线播放 | 网红主播大秀福利视频日韩精品 | 91av看片| www.嫩草视频 | 亚洲网址| 欧美成年免费a级 | 免费视频一区二区三区在线观看 | 欧美成人一级视频 | 一区二区久久久久草草 | 在线免费高清一区二区三区 | 99蜜久久精品国产首页 | 久久精品99国产精 | 三及片免费 | 久久久二| 丁香狠狠色婷婷久久综合 | 狼人青草久久网伊人 | 欧美成年视频在线观看 | 国产午夜精品18久久蜜臀董小宛 | 亚洲第一页综合图片自拍 | 继承者们在线观看免费高清韩剧 | 一区二区不卡视频 | 亚洲精品国产有码 | 久久久久人人 | 草久在线视频 | 40岁大乳的熟妇在线观看 | 成年人免费在线观看 | 在线日韩国产 | 国产伦精品一区二区三区视频猫咪 | 少妇性BBB搡BBB爽爽爽视頻 | 日本高清在线一区二区三区 | 成人在线免费网站 | 玖玖在线国产 | 91网址| 成人综合视频在线 | 两根一起进3p在线观看 |