BJ45W不銹鋼夾套保溫截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運動。閥桿的運動形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉桿式（手輪與閥桿一起旋轉升降，螺母設在閥體上）。截止閥只適用于全開和全關，不允許作調節(jié)和節(jié)流。
保溫截止閥具有保溫,保冷特性,適用于石油,化工,冶金,制藥等行業(yè).
BJ45W不銹鋼夾套保溫截止閥主要部件材質
| 產品型號 | 閥體、閥蓋 | 閥 瓣 | 填 料 |
| BJ45W-25P、BJ45W-40P、BJ45W-64P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | PTFE |
| 聚四乙稀 |
| BJ45W-25P/R、BJ45W-40P、BJ45W-64P | ZG1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti | PTFE |
| 聚四乙稀 |
BJ45W不銹鋼夾套保溫截止閥主要性能規(guī)范
| 型號 | 公稱壓力PN（Mpa） | 試驗壓力 | 適用溫度 | 適用介質 | 保溫套壓力 |
| shell | seal |
| BJ45W-25P | 2.5 | 3.75 | 2.75 | ≤200 | Acetic urea
1 | ≤1.3 |
| BJ45W-40P | 4.0 | 6.0 | 4.4 |
| BJ45W-64P | 6.4 | 9.0 | 6.6 | Acetic urea |
| BJ45W-25P | 2.5 | 3.75 | 2.75 |
| BJ45W-40P | 4.0 | 6.0 | 4.4 |
| BJ45W-64P | 6.4 | 9.0 | 6.6 |
| 不銹鋼閥門系列 |
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| Z41W-150Lb不銹鋼美標閘閥 | J41W不銹鋼截止伐 | J41W不銹鋼法蘭截止閥 | | 不銹鋼柱塞閥 | D671F-16P不銹鋼氣動蝶閥 | 不銹鋼視鏡 | | 不銹鋼氣動放料閥 | 不銹鋼液動切斷閥 | J41W美標不銹鋼截止伐 | | J41W-40P不銹鋼截止閥 | J41W-300Lb不銹鋼美標截止閥 | G41W不銹鋼隔膜閥 | | D73W-16P不銹鋼對夾蝶閥 | SG41W不銹鋼美標過濾器 | J41W不銹鋼美標截止伐 | | D343W-16P不銹鋼法蘭蝶閥 | QG41W-150Lb美標不銹鋼過濾器 | H44W不銹鋼止回閥 | | D371F-10P不銹鋼軟密封碟閥 | Z641W-16P不銹鋼氣動閘門 | Z41W不銹鋼閘門 | | Z41W-100P不銹鋼閘伐 | Z43F-64P不銹鋼平板閥 | D673W不銹鋼氣動碟閥 | | Q41F-150Lb不銹鋼美標球閥 | 不銹鋼旋塞閥 | D371F不銹鋼對夾碟閥 | | D71F-150Lb不銹鋼美標蝶閥 | Z641E不銹鋼氣動閘伐 | Z41W不銹鋼閘閥 | | CS11H-16P不銹鋼疏水器 | 不銹鋼切斷閥 | Z941W-40P不銹鋼電動閘閥 | | Z641W-25P不銹鋼氣動閘閥 | Z41W-600Lb不銹鋼美標閘伐 | Q41F不銹鋼球閥 | | Q11F-25P不銹鋼絲口球閥 | Q941F-150Lb不銹鋼電動球閥 | D343H-16P不銹鋼法蘭碟閥 | | Y43W-40P不銹鋼減壓閥 | D343W不銹鋼密封蝶閥 | J41W-600Lb美標不銹鋼截止閥 | | Z41W-64P不銹鋼電動閘伐 | H42F不銹鋼底閥 | Q71F-16P不銹鋼球閥 | | SG41W-16P不銹鋼過濾器 | Z941W不銹鋼電動閘門 | CS41W不銹鋼疏水閥 | | H12W-16P絲扣止回閥 | Z941W-160不銹鋼電動閘閥 | Z41W不銹鋼閘閥 | | Q341F不銹鋼蝸輪球閥 | Q41F不銹鋼球閥 | J41W不銹鋼截止閥 | | J941H不銹鋼電動截止閥 | J941Y不銹鋼電動截止閥 | J941W不銹鋼電動截止閥 | | H42不銹鋼底閥 | H45不銹鋼底閥 | H42不銹鋼底閥 | | H12不銹鋼底閥 | BZ41W 不銹鋼保溫閘閥 | 不銹鋼Y型過濾器（法蘭） | | H44H-16P不銹鋼止回閥 | H42H-16P不銹鋼止回閥 | H41H-16P不銹鋼止回閥 |
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