精品福利网_日日日b_末日逃生在线观看完整免费版_误杀2在线观看_1000国产精品成人观看视频二_免费的m3u8在线观看

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： 紫金县| 霍城县| 怀宁县| 龙陵县| 呈贡县| 仲巴县| 乡宁县| 城市| 文昌市| 昔阳县| 洛宁县| 无棣县| 三原县| 纳雍县| 大洼县| 达孜县| 句容市| 镇远县| 文山县| 民和| 涟源市| 安泽县| 五河县| 楚雄市| 绵竹市| 甘肃省| 探索| 杨浦区| 阿拉善左旗| 宁城县| 富锦市| 连江县| 双柏县| 乌拉特中旗| 清新县| 泾川县| 甘肃省| 绥阳县| 新津县| 九龙坡区| 永昌县|