热er99久久6国产精品免费-热e国产-热re66久久精品国产99re-热re99久久精品国产99热-热re久久精品国产99热-热九九精品

Stop valve for dark bar ammonia

Dateline:2014-11-30    Hits:loading_

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： a在线视频 | 91久久国产综合精品 | 久久99亚洲精品久久久久99 | 日韩成人在线影院 | 欧美激情一区二区三区高清视频 | 国产精品女上位在线观看 | 香蕉国产综合久久猫咪 | 四虎在线看| 亚洲伦理一区二区 | 美女三级福利视频 | 国产99对白在线播放 | 97久久免费视频 | 女人天堂网在线观看2019 | 在线欧美a| 亚洲综合欧美在线 | 亚洲国产一区二区a毛片 | 国产高清色视频免费看的网址 | 天天做天天摸 | 免费福利视频网站 | 国产精品午夜自在在线精品 | 91社区在线观看 | 国产91精品在线 | 浮力影院国产第一页 | www.4虎| 国产精品高清视亚洲一区二区 | 久久久久久久久久久久久久久久久久 | 色综合色狠狠天天综合色hd | 夜夜性日日交xxx性视频 | 日韩精品免费一区二区三区 | 国产亚洲欧洲一区二区三区 | 国内精品自在欧美一区 | 国产精品一区二区在线观看 | 欧美线在线精品观看视频 | 亚洲一区 欧美 | 欧美猛交lxxxxxxxxx | 九九精品视频免费 | 草草影院国产第一页 | 久久久久久久久综合影视网 | 波霸影院一区二区 | 亚洲精品福利一区二区三区 | 亚洲欧美精品一区二区 |