BJ45W不锈钢夹套保温截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式（阀杆升降，手轮不升降），也有升降旋转杆式（手轮与阀杆一起旋转升降，螺母设在阀体上）。截止阀只适用于全开和全关，不允许作调节和节流。
保温截止阀具有保温,保冷特性,适用于石油,化工,冶金,制药等行业.
BJ45W不锈钢夹套保温截止阀主要部件材质
| 产品型号 | 阀体、阀盖 | 阀 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不锈钢夹套保温截止阀主要性能规范
| 型号 | 公称压力PN（Mpa） | 试验压力 | 适用温度 | 适用介质 | 保温套压力 |
| 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 |
| 不锈钢阀门系列 |
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| Z41W-150Lb不锈钢美标闸阀 | J41W不锈钢截止伐 | J41W不锈钢法兰截止阀 | | 不锈钢柱塞阀 | D671F-16P不锈钢气动蝶阀 | 不锈钢视镜 | | 不锈钢气动放料阀 | 不锈钢液动切断阀 | J41W美标不锈钢截止伐 | | J41W-40P不锈钢截止阀 | J41W-300Lb不锈钢美标截止阀 | G41W不锈钢隔膜阀 | | D73W-16P不锈钢对夹蝶阀 | SG41W不锈钢美标过滤器 | J41W不锈钢美标截止伐 | | D343W-16P不锈钢法兰蝶阀 | QG41W-150Lb美标不锈钢过滤器 | H44W不锈钢止回阀 | | D371F-10P不锈钢软密封碟阀 | Z641W-16P不锈钢气动闸门 | Z41W不锈钢闸门 | | Z41W-100P不锈钢闸伐 | Z43F-64P不锈钢平板阀 | D673W不锈钢气动碟阀 | | Q41F-150Lb不锈钢美标球阀 | 不锈钢旋塞阀 | D371F不锈钢对夹碟阀 | | D71F-150Lb不锈钢美标蝶阀 | Z641E不锈钢气动闸伐 | Z41W不锈钢闸阀 | | CS11H-16P不锈钢疏水器 | 不锈钢切断阀 | Z941W-40P不锈钢电动闸阀 | | Z641W-25P不锈钢气动闸阀 | Z41W-600Lb不锈钢美标闸伐 | Q41F不锈钢球阀 | | Q11F-25P不锈钢丝口球阀 | Q941F-150Lb不锈钢电动球阀 | D343H-16P不锈钢法兰碟阀 | | Y43W-40P不锈钢减压阀 | D343W不锈钢密封蝶阀 | J41W-600Lb美标不锈钢截止阀 | | Z41W-64P不锈钢电动闸伐 | H42F不锈钢底阀 | Q71F-16P不锈钢球阀 | | SG41W-16P不锈钢过滤器 | Z941W不锈钢电动闸门 | CS41W不锈钢疏水阀 | | H12W-16P丝扣止回阀 | Z941W-160不锈钢电动闸阀 | Z41W不锈钢闸阀 | | Q341F不锈钢蜗轮球阀 | Q41F不锈钢球阀 | J41W不锈钢截止阀 | | J941H不锈钢电动截止阀 | J941Y不锈钢电动截止阀 | J941W不锈钢电动截止阀 | | H42不锈钢底阀 | H45不锈钢底阀 | H42不锈钢底阀 | | H12不锈钢底阀 | BZ41W 不锈钢保温闸阀 | 不锈钢Y型过滤器（法兰） | | H44H-16P不锈钢止回阀 | H42H-16P不锈钢止回阀 | H41H-16P不锈钢止回阀 |
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