nt size="4">nt size="4">nt face="Times New Roman" style="FonT-SIZE: 12px; FonT-VARIANT: normal; WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; FonT-WEIGHT: normal; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; FonT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; LINE-HEIGHT: 20px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">1. nt>nt>nt face="宋體" style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; PADDING-TOP: 0px; FonT: 12px/20px 宋體; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">nt size="4">根據控制功能選用,各類閥門具備各自的功能,選用時應註意其相應的功能。nt>nt>nt> nt size="4">nt size="4">nt face="宋體" style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; PADDING-TOP: 0px; FonT: 12px/20px 宋體; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">nt>nt face="Times New Roman" style="FonT-SIZE: 12px; FonT-VARIANT: normal; WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; FonT-WEIGHT: normal; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; FonT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; LINE-HEIGHT: 20px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">2. nt>nt>nt face="宋體" style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; PADDING-TOP: 0px; FonT: 12px/20px 宋體; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">nt size="4">根據工況選用,常用閥門的技術參數包括工稱壓力、最大允許工作壓力、工作溫度(最低和最高溫度)和介質(腐蝕性、可燃性),選用時應註意工況的上述參數與閥門的技術參數相符合。nt>nt>nt> nt size="4">nt face="宋體" style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; PADDING-TOP: 0px; FonT: 12px/20px 宋體; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">nt>nt face="Times New Roman" style="FonT-SIZE: 12px; FonT-VARIANT: normal; WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; FonT-WEIGHT: normal; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; FonT-STYLE: normal; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; LINE-HEIGHT: 20px; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">3. nt>nt>nt face="宋體" style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; COLOR: rgb(51,51,51); PADDING-BOTTOM: 0px; PADDING-TOP: 0px; FonT: 12px/20px 宋體; PADDING-LEFT: 0px; MARGIN: 0px; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; PADDING-RIGHT: 0px; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">nt size="4">根據安裝結構選用。管路系統的安裝結構有管螺紋、法蘭、卡套、焊接、軟管等。nt>nt size="4">所以閥門的安裝結構必須與管道的安裝結構相一致,並且規格尺寸要相符合。nt>nt> |