材质：PVDF
规格：DN15-150（φ20-φ160）
介质：高温、强腐蚀性液体和气体
介质温度：-30℃～150℃
压力系数等级：PN2.5/3.2/4/6/10/16/20
江苏吉庆管材集团高品质PVDF法兰盲板，源头工厂专业生产，适用于化学环境服务，可全国定制。
PVDF法兰盲板是一种中间无孔的法兰，其主要功能是密封管口，完全隔离生产介质。法兰盲板通过螺栓固定，属于可拆卸式密封装置，便于在维护、清洗或检修时打开。其主要作用是隔离并切断介质的流动。法兰盲板在管路系统中承担两大核心职能：管道端口封堵隔离——用于临时停用的管线端口、待扩展的预留口、反应釜检修盲断等场景，完全隔离介质，避免渗漏污染；系统分段试压与安全防护——在管道系统试压、试漏及设备检修时作为隔离段，保障作业安全。
产品采用一体式注塑成型，整体无拼接缝、无焊缝，彻底消除了焊接或拼接结构在长期承压工况下的潜在渗漏路径。中间无孔设计确保完全阻断介质流通，实现可靠的零泄漏封堵。
PVDF材质具有优异的耐化学性，对大多数化学品和溶剂表现出惰性。室温下耐酸、碱、强氧化剂和卤素腐蚀，能耐除强溶剂外的所有盐、酸、碱、芳烃、卤素等介质。可承受强酸、强碱和各种有机溶剂的侵蚀，即使在恶劣的化学环境下也能保持良好的稳定性，适用于半导体行业高纯化学品输送、化工强腐蚀介质管路等场景。
PVDF长期使用温度范围为-40℃~150℃，可在极端高低温环境下保持结构稳定，不会出现脆裂或变形现象。
PVDF具有良好的化学惰性，几乎不与任何介质发生反应，低析出、高纯度特性使其成为半导体超纯水系统、去离子水系统和高纯化学品输送的首选材料。 产品还可用于制药操作和食品加工等对洁净度要求严格的场景。
PVDF法兰盲板重量轻，安装和维护便捷，无需大型吊装设备。 在额定温度、压力工况下，设计寿命长，全生命周期综合成本远低于金属方案。
PVDF具有突出的耐气候老化性，可长期在户外使用且无需保养，能抵抗紫外线、核射线及臭氧侵蚀。 含氧指数46%，不燃，在防火要求高的场景中具有天然优势。
1.半导体与微电子行业：超纯水分配系统、高纯化学品输送分支管路
2.化工与化纤行业：腐蚀性介质分支管路，耐硫酸、氢氟酸、溴酸等
3.制药与生物工程：注射用水、纯化水洁净分支管路，可耐受湿热灭菌
4.电子工业：高纯水制备系统、化学品分配系统分支
5.环保与水处理：高纯水系统、腐蚀性废水处理分支管路
6.冶金行业：薄钢板酸洗、废酸回收等分支管路
| PVDF法兰盲板PVDF flange blind plate | ||||||
| 公称通径DN(mm) | 直径od(mm) | 厚度 s(mm) | 外径d（mm） | 中心孔距k（mm) | 孔数 | 孔径 f(mm) |
| DN15 | Φ20 | 16 | 93 | 65 | 4 | Φ21*16 |
| DN20 | Φ25 | 17 | 105 | 75 | 4 | Φ21*16 |
| DN25 | Φ32 | 17 | 113 | 85 | 4 | Φ22*18 |
| DN32 | Φ40 | 18 | 135 | 100 | 4 | Φ22*18 |
| DN40 | Φ50 | 18 | 144 | 110 | 4 | Φ22*18 |
| DN50 | Φ63 | 19 | 158 | 125 | 4 | Φ25*20 |
| DN65 | Φ75 | 22 | 178 | 145 | 4 | Φ25*20 |
| DN80 | Φ90 | 26 | 192 | 160 | 8 | Φ27*18 |
| DN100 | Φ110 | 26 | 212 | 180 | 8 | Φ27*18 |
| DN125 | Φ140 | 30 | 240 | 210 | 8 | Φ22*19 |
| DN150 | Φ160 | 29 | 276 | 240 | 8 | Φ23*25 |
a. Extensive production experience: We specialize in the production, research and development, and sales of anti-corrosion plastic pipes and fittings. We have over 16 years of production experience.
b. Complete production system: 7 production workshops, equipped with 25 automated injection molding machines, 18 automated pipe production lines, a 4,000-square-meter intelligent warehousing center with sufficient stock, and a customized non-standard production workshop for refined production.
c. High-quality raw materials: Our raw materials are sourced from major domestic petrochemical companies and are 100% imported modified new materials.
d. Strict physical/chemical testing procedures: All products undergo dozens of tests to meet the requirements of product design and process, and reliable test data can be provided.
Ⅰ Provide technical design and solutions;
Ⅱ Selection suggestions for chemical pipe fittings, valves, and storage tanks, as well as on-site installation;
Ⅲ Design and manufacturing of non-standard equipment;
Ⅳ Professional welding guidance services;
Ⅴ Customization of non-standardized products - Offer customized services for various pipe fittings and chemical storage tanks.
The PP/FRPP/PPH/PVDF pipes and fittings offer the following three connection options for selection. However, please be aware of the operation methods and precautions：
(1) Hot melt socket connection - hot melt connector: applicable specifications DN15-DN100；
(2) Hot melt butt welding - hot melt machine butt welding: applicable specifications DN15-DN1200；
(3) Ordinary socket connection - hot air gun and plastic welding rod: applicable specifications DN15-DN1200.
The total length of the pipes is 5 meters per piece. Pipes with DN150 (φ160 and below have 4 meters per piece) are priced as a complete piece. Pipes with DN150 and above are sold as 5-meter complete pieces without any cutting! The PVDF pipe series with specifications above DN100 are sold as 5-meter complete pieces without any cutting! Hand cutting has certain errors and losses (1-2 centimeters). Special sizes can be cut by contacting us. No return or exchange for quality issues. After receiving the products, carefully check. If there is leakage, please contact the customer service in time. If the product has no quality issues and does not affect secondary sales, if you need to return or exchange, you need to bear the shipping costs of the seller and the buyer.
