止回阀

止回阀—上海祝成阀门系列产品：高压止回阀。高温。高压高温。进口、燃气限流阀H145。旋启式H44H。升降式H41H。立式H42H/N。角式H63Y/H83Y。高压H42/H62H。高温H42/62Y。Y型H65Y。对夹式H71/72/74/76/78/79。对夹超薄型H74X/H。消声HC41X。*HC42T/X/H（DRVZ）。橡胶瓣HH44X（SFCV）。蝶式。微阻缓闭HH44X/HH46H/W,HH48H/X,HH49H/X。球形HQ41/HQ44/HQ45X。天燃气H41/42N。法兰。内螺纹H11W。保温BH44H、BH41H。自密封H42Y/H62Y。截止止回多功能阀H48H。衬胶H44J/H41J/H40J、衬氟H41F/H44F/H42F/H40F。塑料H41F/H44F/H61F-6S。日标、德标、美标H44W。支耳式。铸铁、铸钢、锻钢、铬钼钢、不锈钢。底阀H42H、水上底阀。拍门。阀体的材质有: 铸铁、铸钢、不锈钢、锻钢、铬钼钢、铬钼钒钢。zui高工作压力1.6-32MPA（美标从150LB-2500LB，日标从10K-64K）。工作温度-20°C- 550°C，阀门口径从DN15-DN600。连接方式:法兰、丝口或焊接。适用介质:水、油品、气、蒸汽等。上海祝成阀门源自*