ITT Pure-Flo®隔膜阀
The Pure-Flo® brand has earned a reputation for innovation, quality, and performance. Providing products from standard forged valves to the most innovative block technology, each and every Pure-Flo valve is engineered to the highest standards. Whether your process is manufacturing large molecule drugs for the biopharm industry or slurry applications for biofuels, cosmetics, or any high purity or aseptic process, ITT will combine decades of experience with cutting-edge technology with a dash of ingenuity to provide value added solutions for your processing needs.
ITT的纯粹普遍卫生膜片阀门和致动组件在高纯度行业中受到了信任。
应用
Due to their unique balance of cleanability, drainability, and pressure/temperature capability, the ITT Pure Flo diaphragm valve is an excellent selection for processes that rely on hygienic diaphragm valves for demanding process applications.
Working Principle
Innovative block technology applies downward force on top of compressor; the pressure is then transformed into distributed pressure on the diaphragm. Compressor presses diaphragm over weir area of valve body for product flow control.
Envizion™隔膜阀
ITT的突破性技术是纯Flo Envizion™阀门，为卫生隔膜阀的未来设定了新标准。欣赏阀门专为帮助客户安装，操作和维护阀门而设计。这种独特的设计提供了总体拥有成本的显着降低，同时支持行业的目标，以提高生产率，提高可靠性，提高清洁能力。
The EnviZion valve utilizes a breakthrough mount and turn design that allows for quick and easy valve disassembly.
- Tool-less maintenance - no tools required for valve installation and diaphragm replacement, simplifying the maintenance process.
- Fasteners eliminated - no more handling loose parts or accessing fasteners in tight spaces.
- Save time - diaphragm changes reduced from an industry average of 23 minutes to 3 minutes, resulting in a 90% reduction in maintenance time.
欣赏阀消除了热循环与集成热补偿系统的影响。
- Active sealing technology - the constant force of the thermal compensation system provides a reliable seal that does not degrade over time (unlike other diaphragm valve designs that use passive sealing technology).
- No retorquing - the seal is maintained over varying operating conditions, eliminating the need to adjust fasteners afterthermal cycling.
The EnviZion valve improves clean-ability by reducing the potential for fluid entrapment.
- 隔膜密封 - 阀体和隔膜在D型段的前缘产生密封，防止流体进入难以清洁的区域，并且可能导致过程污染。
双向阀门
ITT 2-way diaphragm valves can fit a wide variety of applications using one of ITT's three valve body types: forged, wrought, or cast. Bodies are available in a number of materials and end connections. The choice of diaphragm type and manual or actuated bonnet further expand the options available for a 2-way valve.
通过提供具有受控硫磺316L / 1.4435不锈钢材料和焊接切线的阀体，足够长，以接受行业中最常见的轨道焊头，ITT阀体在高纯度加工行业中满足焊接阀的最常见需求。
Integrated Block Valves
Pure-Flo在30年前开发了第一块集成块体膜阀。集成的块阀可以在高纯度和生物制药加工等行业中开发稳健，高产过程中发挥重大作用。该技术通过优化排水性，保持量，Deadlegs和可清洁性来降低所有权总成本。将多个阀组合成单个块体可以大大降低总安装和验证成本。
零静态使用点
一组集成块阀是零静电使用点，包括零静电T恤，零静电U形弯曲，零静电背靠背样品阀等。零静态使用点是生物制药业中使用的一些最关键的阀门。使用点阀允许将处理流体转移，取样，排出或转移，并对诸如WFI和净化的水等关键系统的影响最小。
Divert and Sterile Access Valves
ITT Pure-Flo offers the benefits of integrated block valves that provide the functionality of divert or sterile access multi-valve assemblies in a single block. Sterile access styles include the Integrated Sterile Access and GMP (ISG) valve, which combines the functionality of a sterile access (SA) and Good Manufacturing Practice (GMP) fabrication into one block. By simply rotating the assembly, one fabricated block body can provide three process fabrication orientations: Standard Sterile Access Port (SAP) and vertical GMP porting above and below the weir. Integrated block divert valves are available 2- though 6-way versions, with a variety of styles and unique configurations.
船只阀门
罐底隔膜阀（TBV）设计用于罐或容器的底部，以排出或样品，同时最小化内部泄漏并防止任何死腿用于细菌或微生物夹紧。还提供额外的船只阀门款式。
Process Fabrications
Process fabrications consist of multiple 2-way valves ported in various ways to fit the application. The intent is to reduce hold up volume and improve drainability versus using standard valves and fittings. Process fabrications minimize the distance between valves improving cleanability and reducing risk of contamination. Fabrications are utilized when hold up volumes are a consideration but not critical. Many process fabrication combinations can comply with the cGMP requirements.
GMP选项
The GMP fabrication is typically oriented in the vertical position. The design is utilized to reduce dead legs on point-of-use outlets in a typical
WFI distribution loop.
无菌接入选项
The Sterile Access orientation is designed for use when the orientation of the main valve is horizontal and the secondary or purge valve or outlet is in the vertical position. The main valve is ported at the low point of the main valve waterway to achieve optimum drainability when the main valve is on its drain angle.
Horizontal Sterile Access Option
水平无菌接入方向在配置到无菌接入配置中类似，但是当主阀和次级阀都具有水平方向时，采用。
Topworks
完整的手动和气动驱动的选项可适合大多数要求。所有纯FLO顶级工程都是坚固设计和构造的耐用FDA兼容材料。Advantage 2.0执行器和963手动发动机罩是两个流行的Topworks选项中的两个。
Advantage 2.0 Actuator
The Advantage is a diaphragm driven, compact, lightweight actuator designed to meet the stringent space constraints of the Bioprocessing and Pharmaceutical Industries. The unit is designed as an on/off pneumatic actuator available with three modes of closure.
963 PAS Manual Bonnet
Capable of withstanding typical washdown media, the 963 bonnet is a fully featured, compact, lightweight, yet rugged design. The 963 is packed with features that fulfill the most demanding requirements of today’s critical bioprocessing systems.
Diaphragm Valve Bodies
| Type | Forged （2种方法） |
Wrought2 (Block Bodies) |
Cast |
|---|---|---|---|
 |
 |
 |
|
| Size Range | 0.5 - 4.0 inches DN15–100 |
0.5 - 6.0 inches DN15-DN150 |
0.5 - 6.0英寸DN15-150 |
| End Connections | • Tri-Clamp • 14, 16, 18, 20 O.D. gauge tubing • Schedule 5, 10, 40 piping • ISO ends •SMS 1146结束 • DIN 11850 ends |
• Tri-Clamp • 14, 16, 18, 20 O.D. Gauge tubing • Schedule 5, 10, 40 piping • ISO ends •SMS 1146结束 • DIN 11850 ends |
• Tri-Clamp • 14, 16, 18, 20 O.D. Gauge tubing • Schedule 5, 10, 40 piping • ISO ends •SMS 1146结束 • DIN 11850 ends |
| Material | 316L不锈钢合金TRI认证至ASTM A182级316L，S9，EN 10222-5 / EN 1.4435，BN2 | 316L不锈钢合金ASTM A479，A240,316L | 316L stainless alloy ASTM A351 Grade CF 3M |
| 特种合金1 | C22, C276, AL6XN | ||
| 尺寸标准 | USOD tubing, pipe, ISO/DIN/ SMS | USOD tubing, pipe, ISO/DIN | USOD tubing, pipe |
1可应要求提供其他材料。
2Standard on tank bottom valves, divert valves, and any block bodied fabrications.
隔膜材料
| Type | B | P | W1 | E1 | TME |
|---|---|---|---|---|---|
| Material | Black Butyl Rubber | Buna-N | White Butyl Rubber | epdm.1 | PTFE增强背衬 |
| Size Range | |||||
| 0.25“（DN 8） | X | X | X | ||
| 0.375” (DN 10) | X | X | X | ||
| 0.5” (DN15) | X | X | X | X | X |
| 0.75” (DN20) | X | X | X | X | X |
| 1” (DN25) | X | X | X | X | X |
| 1.5（DN32 / 40） | X | X | X | X | X |
| 2” (DN50) | X | X | X | X | X |
| 2.5” (DN65) | X | X | X | X | X |
| 3“（DN80） | X | X | X | X | X |
| 4“（DN100） | X | X | X | X | X |
| 6“（DN150） | X | X | X | X | |
| Temperature | -20 – 250°F | 10 - 180°F | 0 – 225°F | -22 – 302°F2 | -4 - 329°F |
| 遵守 | FDAUSDA | FDAUSDA | FDAUSDA | FDAUSP | FDAUSP |
1For high temperature and/or high cycle applications, contact Central States Industrial (CSI) at 800.654.5635.
2Temperature range is as follows:
•-4 – 194°F for liquid applications
•-22 – 285°F for continuous steam
•-22 – 302°F for intermittent steam
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