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ng>河北億海管道有限公司(電話:ng>ng>0317-6767877 QQ:767797400ng>ng>)ng>ng> 常壓人孔:一種常帶有蓋的孔道,人可以由此孔進出排道、鍋爐、下水管、還有包括電信、有線電視使用的弱電井,大型橋梁檢修用的內部通道等。ng>ng>
ng>ng> 人孔分為緊急泄壓人孔、防爆阻火呼吸人孔、罐頂人孔、罐壁人孔和帶芯人孔等。ng>ng>
ng>ng> 人孔是安裝在儲罐頂上的安全應急通氣裝置,通常與防火器、機械呼吸閥配套使用,既能避免因意外原因造成罐內急劇超壓或真空時,損壞儲罐而發生事故,又有起到安全阻火作用,是保護儲罐的安全裝置,特別適用於貯存物料以氮氣封頂的拱頂常壓罐。具有定壓排放、定壓吸入、開閉靈活、安全阻火、結構緊湊、密封性能好、安全可靠等優點。ng>ng>ng>
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ng>河北億海管道有限公司(電話:ng>ng>0317-6767877 QQ:767797400ng>ng>)ng>ng>人孔是安裝在儲罐頂上的安全應急通氣裝置,通常與防火器、機械呼吸閥配套使用,既能避免因意外原因造成罐內急劇超壓或真空時,損壞儲罐而發生事故,又有起到安全阻火作用,是保護儲罐的安全裝置,特別適用於貯存物料以氮氣封頂的拱頂常壓罐。具有定壓排放、定壓吸入、開閉靈活、安全阻火、結構緊湊、密封性能好、安全可靠等優點。ng>ng>
ng>ng> 水平吊蓋帶勁平焊法蘭人孔是一種常帶有蓋的孔道,人可以由此孔進出排道、鍋爐、下水管、還有包括電信、有線電視使用的弱電井,大型橋梁檢修用的內部通道等。ng>ng>
ng>ng> 人孔分為緊急泄壓人孔、防爆阻火呼吸人孔、罐頂人孔、罐壁人孔和帶芯人孔等ng>ng>ng>
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ng>1ng> | ng>碳素鋼、低合金鋼人孔和手孔類型與技術條件ng> | ng>HG 21514-95ng> |
ng>2ng> | ng>常壓人孔ng> | ng>HG 21515-95ng> |
ng>3ng> | ng>回轉蓋板式平焊法蘭人孔ng> | ng>HG 21516-95ng> |
ng>4ng> | ng>回轉蓋帶頸平焊法蘭人孔ng> | ng>HG 21517-95ng> |
ng>5ng> | ng>回轉蓋帶頸對焊法蘭人孔ng> | ng>HG 21518-95ng> |
ng>6ng> | ng>垂直吊蓋板式平焊法蘭人孔ng> | ng>HG 21519-95ng> |
ng>7ng> | ng>垂直吊蓋帶頸平焊法蘭人孔ng> | ng>HG 21520-95ng> |
ng>8ng> | ng>垂直吊蓋帶頸對焊法蘭人孔ng> | ng>HG 21521-95ng> |
ng>9ng> | ng>水平吊蓋板式平焊法蘭人孔ng> | ng>HG 21522-95ng> |
ng>10ng> | ng>水平吊蓋帶頸平焊法蘭人孔ng> | ng>HG 21523-95ng> |
ng>11ng> | ng>水平吊蓋帶頸對焊法蘭人孔ng> | ng>HG 21524-95ng> |
ng>12ng> | ng>常壓旋柄快開人孔ng> | ng>HG 21525-95ng> |
ng>13ng> | ng>橢圓形回轉蓋快開人孔ng> | ng>HG 21526-95ng> |
ng>14ng> | ng>回轉拱蓋快開人孔ng> | ng>HG 21527-95ng> |
ng>15ng> | ng>常壓手孔ng> | ng>HG 21528-95ng> |
ng>16ng> | ng>板式平焊法蘭手孔ng> | ng>HG 21529-95ng> |
ng>17ng> | ng>帶頸平焊法蘭手孔ng> | ng>HG 21530-95ng> |
ng>18ng> | ng>帶頸對焊法蘭手孔ng> | ng>HG 21531-95ng> |
ng>19ng> | ng>回轉蓋帶頸對焊法蘭手孔ng> | ng>HG 21532-95ng> |
ng>20ng> | ng>常壓快開手孔ng> | ng>HG 21533-95ng> |
ng>21ng> | ng>旋柄快開手孔ng> | ng>HG 21534-95ng> |
ng>22ng> | ng>回轉蓋快開手孔ng> | ng>HG 21535-95ng> |
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