H44H、H44Y、H44W型法兰旋启式止回阀系列产品可做到PN420的压力，DN1200以上的口径，根据壳体和密封材料不一样，可以使用任何工作介质和和任何工作温度范围，铸钢旋启式止回阀适用于水、蒸汽、气体，旋启式止回阀适用于水、油、气、食品、油品、药品等多种介质工况。
【产品特点】
1、阀瓣关闭快速，水锤压力小；
2、水平或垂直管道均可使用，安装方便；
3、流道通畅、流体阻力小；
4、动作灵敏、密封性能好；
5、阀瓣行程短、关阀冲击力小；
6、整体结构、简单紧凑、造型美观；
7、使用寿命长、性高。
【执行标准】
设计规范：GB/T 12236 BS 1868
结构长度：GB/T 12221 AE B16.10
法兰连接：GB/T 9113 AE B16.5
试验与检验：GB/T 13927 API 598 API 6D
【性能参数】
基本型号 | H44H | H44Y | H44W | |
工作压力（MPa） | 1.6~42.0 (Calss150-Calss2500) | |||
口径(mm) | DN50-DN1200 2″-48″ | |||
适用介质 | 水、油、气、醋酸类、硝酸类等其他介质 | |||
材料 | 阀体 | WCB /CF8/CF8M/铬钼钢/低温钢/镍合金/Monel/Duplex Steel | ||
阀瓣 | WCB/CF8/CF8M/铬钼钢/低温钢/镍合金/Monel/Duplex Steel | |||
摇杆 | 2Cr13/F304/F316/铬钼钢/低温钢/镍合金/Monel | |||
密封面 | 不锈钢/司太立合金/镍合金/Monel | |||
【主要外形尺寸】
H44H/W/Y-16C/P/R/I 1.6MPa主要外形尺寸
公称通径DN | L | D | D1 | D2 | b | Z-Φd | H | WT(Kg) |
50 | 230 | 160 | 125 | 100 | 16 | 4-Φ18 | 135 | 21 |
65 | 290 | 180 | 145 | 120 | 18 | 4-Φ18 | 142 | 28 |
80 | 310 | 195 | 160 | 135 | 20 | 8-Φ18 | 165 | 38 |
100 | 350 | 215 | 180 | 155 | 20 | 8-Φ18 | 180 | 58 |
125 | 400 | 245 | 210 | 185 | 22 | 8-Φ18 | 210 | 92 |
150 | 480 | 280 | 240 | 210 | 24 | 8-Φ23 | 233 | 130 |
200 | 500 | 335 | 295 | 265 | 26 | 12-Φ23 | 304 | 210 |
250 | 550 | 405 | 355 | 320 | 30 | 12-Φ25 | 348 | 294 |
300 | 650 | 460 | 410 | 375 | 30 | 12-Φ25 | 390 | 367 |
350 | 750 | 520 | 470 | 435 | 34 | 16-Φ25 | 430 | 410 |
400 | 850 | 580 | 525 | 485 | 36 | 16-Φ30 | 468 | 461 |
450 | 950 | 640 | 585 | 545 | 40 | 20-Φ30 | 523 | 570 |
500 | 1025 | 705 | 650 | 608 | 44 | 20-Φ34 | 525 | 850 |
H44H/W/Y-25C/P/R/I 2.5MPa主要外形尺寸
公称通径DN | L | D | D1 | D2 | b | Z-Φd | H | WT(Kg) |
50 | 230 | 160 | 125 | 100 | 20 | 4-Φ18 | 160 | 22 |
65 | 290 | 180 | 145 | 120 | 22 | 8-Φ18 | 175 | 29 |
80 | 310 | 195 | 160 | 135 | 22 | 8-Φ18 | 185 | 38 |
100 | 350 | 230 | 190 | 160 | 24 | 8-Φ23 | 220 | 61 |
125 | 400 | 270 | 220 | 188 | 28 | 8-Φ25 | 248 | 96 |
150 | 480 | 300 | 250 | 218 | 30 | 8-Φ25 | 276 | 132 |
200 | 550 | 360 | 310 | 278 | 34 | 12-Φ25 | 350 | 213 |
250 | 650 | 425 | 370 | 332 | 36 | 12-Φ30 | 410 | 297 |
300 | 750 | 485 | 430 | 390 | 40 | 16-Φ30 | 430 | 372 |
350 | 850 | 550 | 490 | 448 | 44 | 16-Φ34 | 518 | 415 |
400 | 950 | 610 | 550 | 505 | 48 | 16-Φ34 | 560 | 480 |
450 | 1025 | 660 | 600 | 555 | 50 | 20-Φ34 | 582 | 610 |
500 | 1150 | 730 | 660 | 610 | 52 | 20-Φ41 | 618 | 920 |
Thank you for your trust and support of our company, we will be dedicated to serve you!
感谢您对我司的信赖与支持，我们将尽心为您服务！
Our company according to ISO9001 international quality system certification requirements, management, production valve business, for the valves every aspect of the production process have developed a series of detailed technical rules and strict control. In the factory have strict inspection and pressure test, so that "the Young" product quality has been a reliable guarantee.
When you buy "ZhongYang Valve" products has been accompanied by a service to you, our solemn promise to you:
我公司根据ISO9001国际质量体系要求、管理、生产阀门企业，对于阀门生产加工过程的每个环节均制订了一系列详细的工艺规程，并进行严格的控制。在出厂前都进行严格检验和试压，使“中扬”产品质量得到了的。当您买进“中扬阀门”产品时服务就一直伴随着您，我们向您郑重：
Product is sold within a year if quality problems, the company promises "three guarantees" service; namely repair, replace or return; allowing you to enjoy the full service, rest ured to buy! We are ready to provide coverage to any city nationwide technical support to users for any product issues raised by users, within 24 hours we will make an ysis and answer. If you need service, our service staff will arrive within 1-3 days of the user site, did not solve the problem does not leave! I also introduced the product lifetime technical support, will periodically send service personnel for sale with onsite consulting services.
产品售出一年内如有质量问题，本公司“三包”服务；即包修、包换、包退；让您享受的优质服务，放心的购买！我们提供覆盖到任何一个城市用户的技术支持，对任何用户提出的产品问题，我们将在24小时内作出分析和回答。若需要售后服务，我们的售后服务人员将在1-3天内到达用户现场，问题没解决不离开！我公司还对产品实行的技术支持，将定期派出售用服务人员进行上门咨询服务。
Our confidence comes from your approval, your satisfaction is our greatest wish!
我们的信心来源于您的，您的满意是我们的愿望！
