工業(yè)鍋爐用快速排污閥采用浮動(dòng)閘板型結(jié)構(gòu),為自壓密封,具有開關(guān)迅速及流阻小,排量大。將手柄逆時(shí)針轉(zhuǎn)動(dòng),齒輪軸驅(qū)使閥桿帶動(dòng)閘板迅速上升,打開通道,使沉積在鍋爐的飽和聯(lián)箱底部的松軟的水垢和沉渣,借鍋內(nèi)蒸氣壓力驟然排出爐外,手柄來轉(zhuǎn)動(dòng)多次,就可達(dá)到排污的目的。 Structure eatures and prineiple: Adopen with e the structure of float slide plate,these valves are selfsealed.They have the chareteristics of quick open /close,small flowing clockuise,the gear shaft clrives the valve to make slide plate rise quickly,thus open the clannel,the air bag deposited in the boiler and the soft boiler scale and sedimentation in the bottom of cabinet and stream pressure in the boiler can be diseharged.Rotate the handle repeatly,the waste can be discharged thoroughly.
1.閥體 2.壓蓋 3.齒輪軸 4.閥蓋 5.閥桿 6.手輪 7.閘板 8.閥座
1.valve body 2.Gland 3.Gear shaft 4.valve lid 5.valve stem 6.handle 7.Slide plate 8.valve base
性能規(guī)范
產(chǎn)品型號(hào) Model
公稱壓力 PN Nominal pressure (MPa)
強(qiáng)度試驗(yàn)壓力 Strength test (MPa)
密封試驗(yàn)壓力 Sealing test (MPa)
工作溫度 Suitable temperature (℃)
工作介質(zhì) suitable medium
PZ48H-16Q
1.6
2.4
1.76
≤250
油品 蒸汽 水 oil steam water
PZ48H-25Q
2.5
3.75
2.75
≤350
PZ48H-25
PZ48H-40
4.0
6.0
4.4
≤425
主要零部件材料 Main-part materials
零部件名稱 Name
材料 Material
PZ48H-16Q~25Q
PZ48H-25~40
閥體、閥蓋 Housing Lid
球墨鑄鐵 Ductile iron
碳素鑄鋼 Carbon cast steel
閥桿,齒輪軸 Valve stem,gear shaft
優(yōu)質(zhì)碳素鋼、鉻不銹鋼 High qualily carbon steel, Chrome stouinless steel
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