ITT 0.75-316L-RA15MAX-CWP150 Diaphragm Valve Pure Flo 3/4 2 Expansion
( Brand: Itt ), ( Manufacturer Part Number: 0.75-316L-RA15MAX-CWP150 ), ( Part Type: Valve ), ( Unit Type: Unit ), ( Welded Expansion: 3/4 2 Tubing ), ( Valve Operation: Air-operated ), ( Country Of Origin: United States )
Review ITT 0.75 Inch Diaphragm Valve Pure flo 3/4 Expansion
The **ITT 0.75-316L-RA15MAX-CWP150 3/4" Diaphragm Valve (Pure-Flo Series)** is a high-performance, stainless steel diaphragm valve engineered for demanding fluid control applications where reliability, corrosion resistance, and precise flow regulation are critical. Designed with a **3/4-inch (DN20) nominal size**, this valve is ideal for systems requiring efficient expansion, contraction, or isolation of liquids and gases, including chemicals, pharmaceuticals, food and beverage processing, water treatment, and industrial wastewater management. Constructed from **316L stainless steel**, the valve body and internal components are engineered to withstand aggressive environments, resisting pitting, crevice corrosion, and stress corrosion cracking, making it suitable for use with corrosive media such as acids, alkalis, and saline solutions. The **RA15MAX diaphragm** a reinforced elastomeric material ensures superior durability, resistance to abrasion, and a long operational lifespan, even under conditions of frequent cycling or high-pressure differentials. The **CWP150 designation** indicates a **150 PSI (10.3 bar) working pressure rating**, allowing the valve to handle moderate to high-pressure applications while maintaining leak-tight performance. The **Pure-Flo Series** design incorporates a **low-friction, self-cleaning diaphragm mechanism**, minimizing maintenance requirements and reducing the risk of clogging or contamination, which is particularly advantageous in applications where cleanliness and consistency are paramount. This valve features a **manual lever or actuator interface**, enabling easy manual operation for on/off control or throttling, while its compact and lightweight construction facilitates easy installation in tight spaces. The **RA15MAX diaphragm** is also designed to accommodate **3/4-inch expansion**, meaning it can handle slight variations in pipe size without compromising functionality, making it versatile for retrofitting or integrating into existing systems. Overall, the ITT 0.75-316L-RA15MAX-CWP150 diaphragm valve delivers a robust, corrosion-resistant solution for precise fluid control, combining durability, ease of maintenance, and reliable performance in a wide range of industrial and commercial applications.
### **Pros and Cons of buying a ITT 0.75-316L-RA15MAX-CWP150 (3/4" Diaphragm Valve, Pure-Flo, Expansion Model)**
#### **Pros:**1. **Material Quality (316L Stainless Steel)** The valve is constructed from **316L stainless steel**, which offers excellent corrosion resistance, making it suitable for aggressive chemicals, food-grade applications, and high-purity environments. This material is more durable than carbon steel or lower-grade alloys in corrosive or sanitary settings.
2. **Diaphragm Design (Pure-Flo)** The diaphragm valve uses a **pure PTFE (Teflon) or EPDM diaphragm**, depending on the model variant, which provides:
- **Self-cleaning action** (no internal pockets for debris buildup).
- **Tight shut-off** (better sealing than ball or globe valves in some cases).
- **Low maintenance** (no internal moving parts like seats or plugs to wear out).
- **Compatibility with slurries and viscous fluids** (unlike some other valve types that clog easily).
3. **RA15MAX Actuator (Manual or Optional Electric/Pneumatic)** The **RA15MAX** is a robust, **quick-acting manual lever** designed for:- **Fast opening/closing** (useful in emergency shutdowns or process control).
- **Durability** (suitable for frequent operation in industrial or utility applications).
- **Compatibility with expansion fittings** (allows for easy integration into piping systems with minimal space constraints).
4. **Expansion Fitting (3/4" NPT or BSP)** The **expansion design** (likely referring to a **flanged or threaded expansion joint**) provides:- **Flexibility in installation** (can accommodate slight misalignments or thermal expansion in piping).
- **Compatibility with standard pipe sizes** (3/4" NPT or BSP threads make it easy to integrate into existing systems).
- **Pressure handling** (rated for **150 PSI (CWP150)**, suitable for moderate-pressure applications).
5. **Versatile Applications** This valve is well-suited for:- **Chemical processing** (due to corrosion resistance).
- **Food & beverage** (if diaphragm is PTFE/EPDM-rated for sanitary use).
- **Water treatment & wastewater** (resistant to scaling and corrosion).
- **HVAC & utility systems** (for steam, air, or water control).
6. **Low Leakage Potential** Diaphragm valves are generally **tighter-sealing** than globe or gate valves when fully closed, reducing the risk of drips or leaks in critical systems.
7. **Easy Maintenance** The diaphragm can be **replaced without removing the valve body**, reducing downtime. The design also allows for **visual inspection** of the diaphragm s condition.
---
#### **Cons:**1. **Limited Pressure & Temperature Ratings**
- The **CWP150** rating means it is designed for **150 PSI (21 bar) maximum working pressure**, which may be **too low for high-pressure industrial applications** (e.g., oil & gas, heavy chemical processing).
- **Temperature limits** (typically **up to 200 C/400 F for 316L stainless steel**) may restrict use in extreme heat environments (e.g., high-temperature steam systems).
2. **Manual Operation Only (Unless Upgraded)**
- The **RA15MAX** is a **manual actuator**, meaning it requires **human intervention** to open/close. This can be a drawback in:- **Automated systems** (would need an **electric or pneumatic actuator** add-on, increasing cost).
- **Remote or hazardous locations** (manual operation may not be safe or practical).
- If automation is required, **additional costs** for actuators and control systems apply.
3. **Diaphragm Wear Over Time**
- While diaphragm valves are **low-maintenance**, the **diaphragm itself can degrade** due to:- **Chemical exposure** (aggressive solvents may cause swelling or cracking).
- **Abrasion** (if handling slurries or particulate-laden fluids).
- **Thermal cycling** (repeated heating/cooling can weaken the diaphragm).
- **Replacement diaphragms** may need to be stocked for future maintenance.
4. **Flow Restriction**
- Diaphragm valves **do not provide full bore flow** like ball valves. The **restricted flow area** can lead to:- **Higher pressure drops** across the valve.
- **Reduced efficiency in high-flow applications**.
- If **minimal pressure loss is critical**, a **ball or butterfly valve** might be a better choice.
5. **Size Limitations**
- At **3/4" (22 mm)**, this valve is **small and may not be suitable for large-scale industrial piping**.
- For **larger flow rates**, a **larger diaphragm valve (e.g., 1" or 2")** would be required.
6. **Cost Compared to Alternatives**
- While **affordable for its size and material**, it may be **more expensive than basic ball or globe valves** for simple on/off applications.
- **Actuator upgrades** (electric/pneumatic) can **significantly increase cost**.
7. **Potential for Leakage at Low Pressures**
- Some diaphragm valves **leak slightly when fully open** due to the diaphragm s flexibility, though this is usually **negligible in most applications**.
8. **Limited Vendor Support for Customization**
- If **specialized materials (e.g., Hastelloy, PVDF) or custom actuators** are needed, ITT may not offer as many options as larger valve manufacturers (e.g., Emerson, Flowserve).
---
### **Conclusion**
The **ITT 0.75-316L-RA15MAX-CWP150 (3/4" Diaphragm Valve)** is a **well-suited choice** for applications requiring:**Corrosion resistance** (316L stainless steel).
**Self-cleaning, low-maintenance operation** (diaphragm design).
**Moderate pressure (150 PSI) and temperature control**.
**Chemical, food, or utility system applications**.
However, it has **limitations** in:**High-pressure or high-temperature environments**.
**Automated or remote-controlled systems (without actuator upgrades)**.
**High-flow or large-scale piping applications**.
**Applications requiring minimal pressure drop (ball valves may be better)**.
---
### **Recommendation**
**Buy this valve if:**- You need a **corrosion-resistant, low-maintenance valve** for **chemical, food, or water treatment systems**.
- Your system operates at ** 150 PSI and moderate temperatures**.
- You require **self-cleaning and tight shut-off** (e.g., preventing backflow in sanitary applications).
- **Manual operation is acceptable**, or you plan to add an **electric/pneumatic actuator later**.
**Consider alternatives if:**- You need **higher pressure ratings** (>200 PSI) **Check ITT s higher-rated models (e.g., 300/600 PSI)** or **ball valves**.
- **Automation is critical** **Opt for a diaphragm valve with an integrated electric/pneumatic actuator** (e.g., ITT s **RA15E** or **RA15P** variants).
- **High flow rates or large pipe sizes** are required **Upgrade to a 1" or larger diaphragm valve**.
- **Extreme temperatures** (above 200 C/400 F) are involved **Consider a different material (e.g., Hastelloy) or valve type (e.g., butterfly valve)**.
- **Minimal pressure drop is essential** **Ball or butterfly valves** may be more efficient.
**Final Verdict:**This valve is a **solid, cost-effective choice for mid-range industrial, chemical, or utility applications** where **corrosion resistance and diaphragm reliability** are priorities. If your requirements align with its **pressure, temperature, and flow constraints**, it will perform reliably with **minimal long-term maintenance**. However, for **high-pressure, automated, or large-scale systems**, a different valve type or model may be more appropriate.
Details:
The valve has previously been in service. ITT PURE-FLO, 0.75 Diaphragm Valve with Actuator, 0.75-316L-RA15MAX-CWP150, The 3.4 valve has expansion welds on each side to bring the tubing 2.
part #: 0.75-316l-ra15max-cwp150 price
- $94.00
specifications valvesplumbing:
- brand: Itt
- mpn: 0.75-316l-ra15max-cwp150
- part type: Valve
- unit type: Unit
- welded expansion: 3/4 2 Tubing
- valve operation: Air-operated
- country of origin: United States
seller valvesplumbing:
- rating: 100.0%
- city: Appleton, Wisconsin
- # reviews: 2478
general valvesplumbing:
- condition: Used
- Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
shipping valvesplumbing:
- type: Fixed
- class: Standard
- cost: $22.00
- transit: 3-6 Days
- carrier: FedEx
- service: FedEx Ground / FedEx Home Delivery
offer valvesplumbing:
- options: Ship-to-home
- availability: In Stock
- sold: 0
- quantity: 1
- best offers: True
- started: May 30, 2026
payments valvesplumbing:
- cash
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- wallet: Paypal
- credit card: Diners-club
returns valvesplumbing:
- method: Money back
- time: 60 Days
- paid by: Buyer
- policy: Returns Accepted
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