一、产品概述：保温法兰闸阀BZ41HYW（BZ41H、BZ41Y、BZ41W、BZ941H、BZ941Y、BZ941W、BZ641H、BZ641Y、BZ641W碳钢保温闸阀、不锈钢保温闸阀、铸钢保温闸阀、电动保温闸阀、气动保温闸阀、高压保温闸阀、硬密封保温闸阀）：本阀为手动、法兰连接、明杆楔式刚性单闸板，阀座密封面材料为合金和不锈钢，公称压力PN16~PN40，阀体材料为碳钢（BZ41H-16C~BZ41H-40BZ41Y-16C~BZ41Y-40）、铬镍钛不锈钢（BZ41W-16P~BZ41W-40PBZ41Y-16P~BZ41Y-40P）、铬镍钼钛不锈钢（BZ41W-16R~BZ41W-40RBZ41Y-16R~BZ41Y-40R），具有保温功能的闸阀。主要用于石油、化工、冶金、制药等各类系统中，能保温和防止介质结晶，以输送常温下会凝固的高粘度介质。二、产品特点：夹套焊装于阀门的两法兰之间，阀门的侧面、底部设置有夹套的连接口。连接法兰尺寸比同一规格普通阀门的连接法兰大一到两个规格，结构长度与同规格的普通阀门相同。夹套中可自由地流过蒸汽或其它热的保温介质，确保粘稠介质可顺畅地流过阀门。三、产品性能参数：型号PN工作压力/MPa适用介质适用温度BZ41H-16C161.6油品等无腐蚀性介质≤425BZ41H-25252.5BZ41H-40404.0BZ41Y-16C161.6BZ41Y-25252.5BZ41Y-40404.0BZ41W-16P161.6弱腐蚀性介质≤150BZ41W-25P252.5BZ41W-40P404.0BZ41Y-16P161.6BZ41Y-25P252.5BZ41Y-40P404.0BZ41W-16R161.6柔腐蚀性介质≤150BZ41W-25R252.5BZ41W-40R40.0BZ41Y-16R161.6JZ41Y-25R252.5JZ41Y-40R404.0四、产品零部件材料：型号材料阀体、阀盖、闸板阀座和闸板密封面阀杆填料手轮BZ41H-16C碳素钢、WCB堆焊铁基合金铬不锈钢2Crl3石棉石墨/柔性石墨球墨铸铁或铸钢BZ41H-25BZ41H-40BZ41Y-16C堆焊硬质合金BZ41Y-25BZ41Y-40BZ41W-16P铬镍钛不锈钢CF8本体材料D8/CF8铬镍钛不锈钢、304聚四氟乙烯BZ41W-25PBZ41W-40PBZ41Y-16P堆焊硬质合金BZ41Y-25PBZ41Y-40PBZ41W-16R铬镍钼钛不锈钢、CF8M本体材料B8M/CF8M铬镍钼钛不锈钢、316BZ41W-25RBZ41W-40RBZ41Y-16R堆焊硬质合金JZ41Y-25RJZ41Y-40R五、主要外形连接结构尺寸mm：PN16（mm）DNLDD1D2bz×ΦdHD0加热汽接头螺纹重量/kg50250195160135208×Φ18358280M12×1.255480310245210185228×Φ18435320M12×1.25100100350280240210248×Φ23502360M12×1.251201504503352952652612×Φ23675400M12×1.252602005504053553203012×Φ25820400M12×1.253002506504604103753012×Φ25970500M20×1.54003007505204704353416×Φ251145500M20×1.54903508505805254853616×Φ301280500M20×1.55804009506405855454020×Φ301450500M20×1.5920PN25（mm）DNLDD1D2bz×ΦdHD0加热汽接头螺纹重量/kg50250195160135228×Φ18358280M12×1.255680310270220188288×Φ18435320M12×1.25105100350300250218308×Φ23502360M12×1.251701504503603102783412×Φ23675400M12×1.252702005504253703323612×Φ25820400M12×1.253802506504854303904012×Φ25970500M20×1.55353007505504904484416×Φ251145500M20×1.55463508506105505054816×Φ301280500M20×1.57354009506606605555020×Φ301450500M20×1.51224PN40（mm）DNLDD1D2bz×ΦdHD0加热汽接头螺纹重量/kg50250195160135228×Φ18371280M12×1.255680310270220188288×Φ18455320M12×1.25105100350300250218308×Φ34550360M12×1.251701504503753202823812×Φ23708400M20×1.53402005504453853454212×Φ25890400M20×1.54302506505104504084612×Φ251015500M20×1.55603007505705104655216×Φ251235500M20×1.56003508506105855355816×Φ301390500M20×1.58104009506606105606020×Φ301560500M20×1.51250保温法兰闸阀BZ41HYW（BZ41H、BZ41Y、BZ41W、BZ941H、BZ941Y、BZ941W、BZ641H、BZ641Y、BZ641W碳钢保温闸阀、不锈钢保温闸阀、铸钢保温闸阀、电动保温闸阀、气动保温闸阀、高压保温闸阀、硬密封保温闸阀）生产商供应商上海炎唐工业装备有限公司，中国名牌产品，上海知名品牌；通过ISO9001、TS等认证。致力于阀门的专业研发生产，为用户提供高品质闸阀产品。)