99久久精品费精品国产-玩弄丰满奶水的女邻居-色婷婷欧美在线播放内射-四虎精品成人免费视频-亚洲精品一区国产

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(jī)網(wǎng)站

主站蜘蛛池模板: 国产成人久久精品流白浆| 成人国产精品秘片多多| 96亚洲精华国产精华精华液| 国产色无码精品视频免费 | 伊伊人成亚洲综合人网香| 亚洲精品v日韩精品| 青青青青久久精品国产av| 欧美精品资源一区二区| 99久久夜色精品国产网站| 国产在线乱子伦一区二区| 欧洲激情一区二区三区| 日本丰满熟妇hd| 99热成人精品热久久| 国产精品一卡二卡三卡四卡| 亚洲乱码国产乱码精品精| 久久不见久久见www日本网| 国产精品久久久久无码av色戒| 国产成人精品午夜福利a| 国产精品aⅴ视频在线播放| 亚洲国模人体套图一区二区三区另类日日骚 | 亚洲综合熟女久久久40p| 任你躁国产自任一区二区三区| 久久99国产综合精品免费| 中文字幕精品一区二区2021年| 制服丝袜一区在线观看| 国产亚洲精品久久综合阿香| 秋霞午夜成人久久电影网| 久久久久 亚洲 无码 av 专区| 内射国产内射夫妻免费频道| 欧美一区二区三卡在线观看| 国产好片日本一区二区三区四区 | 国产剧情无码播放在线观看| 精品国产美女av久久久久| 国产xxxxx在线观看| 日本乱偷人妻中文字幕在线| 日本一区二区大片| 国产小受呻吟gv视频在线观看| 久久久精品国产一二三产区区别| 国产做爰全免费的视频| 亚洲乱码精品久久久久..| 久久精品国模一区二区|