SWAGELOK SS-4CA-EP-50 Poppet Check Valve 150

( Brand: Swagelok ), ( Manufacturer Part Number: SS-4CA-EP-50 ), ( Part Type: Valve Check ), ( Suitable Media: Air, Oil, Water ), ( Valve Operation: Manual ), ( Country Of Origin: United States )

Review SWAGELOK Poppet Check Valve Adjustable Range 50 150 Psi

The **Swagelok SS-4CA-EP-50 Poppet Check Valve (150 Series)** is a high-performance, stainless steel poppet-style check valve designed for demanding industrial applications where reliability, durability, and precise flow control are critical. Engineered with a **316 stainless steel body and components**, this valve is built to withstand aggressive chemicals, extreme temperatures, and high-pressure environments, making it an ideal choice for chemical processing, pharmaceutical manufacturing, semiconductor fabrication, and other industries where contamination-free performance is non-negotiable. The **150 Series rating** ensures robust sealing and structural integrity, capable of handling pressures up to **1500 psi (10.3 MPa)** while maintaining leak-tight performance, thanks to the **epoxy-coated internal surfaces** that prevent corrosion and minimize the risk of particulate contamination a key advantage in cleanroom and sterile applications.

The valve s **poppet design** provides a fast, positive shutoff mechanism, ensuring that backflow is immediately and completely blocked, which is essential in systems where reverse pressure could cause damage or contamination. The **50 port size** offers a balanced flow capacity, making it suitable for medium to high-flow applications without compromising on precision. The **epoxy-coated interior** not only enhances corrosion resistance but also reduces the potential for particulate generation, a critical feature in industries where even trace amounts of debris can compromise product integrity. The valve s **smooth, polished surfaces** further minimize turbulence and pressure drop, contributing to efficient system performance while maintaining cleanliness.

Swagelok s reputation for precision engineering is evident in the **SS-4CA-EP-50 s** meticulous construction, featuring **O-ring seals** that ensure a consistent, leak-free seal under dynamic conditions. The valve s **compact yet robust design** allows for easy integration into existing piping systems, with standard **150 Series ANSI flanges** ensuring compatibility with a wide range of fittings and instrumentation. Whether used in a **high-purity gas delivery system, a chemical reactor, or a semiconductor wafer processing line**, this valve delivers the reliability and performance required to maintain operational excellence. Built to endure the harshest conditions while upholding the highest standards of cleanliness and efficiency, the **Swagelok SS-4CA-EP-50 Poppet Check Valve** is a cornerstone component for industries that demand nothing less than perfection in fluid control.

**Pros and Cons of buying a Swagelok SS-4CA-EP-50 Poppet Check Valve (50 Series, 150 PSI)**

1. **High-Quality Material:** Made from stainless steel (SS), which offers excellent corrosion resistance, durability, and compatibility with a wide range of chemicals and temperatures. This makes it suitable for harsh industrial environments.

2. **Reliable Performance:** Swagelok is a well-known brand in the fluid handling industry, known for precision-engineered components. The poppet design ensures smooth, leak-free operation, preventing backflow in pneumatic, hydraulic, or gas systems.

3. **Versatile Applications:** The 50 series is designed for medium-pressure applications (rated up to 150 PSI), making it suitable for laboratory, industrial, and process control systems where backpressure protection is needed.

4. **Easy Installation:** The valve features standard Swagelok fittings (e.g., SS-400 or SS-4000), allowing for straightforward integration into existing systems without requiring additional adapters.

5. **Maintenance-Friendly:** The poppet design allows for easy cleaning and inspection, reducing downtime compared to more complex valve types.

6. **Temperature Resistance:** Stainless steel construction ensures stable performance across a broad temperature range, from cryogenic to high-temperature applications (depending on the specific fluid).

7. **Backpressure Protection:** The check valve prevents reverse flow, protecting downstream equipment from contamination or damage.

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1. **Higher Cost:** Swagelok components are premium-priced compared to generic or lower-end brands. For budget-sensitive applications, alternatives may exist, though they may lack the same reliability.

2. **Limited Pressure Range:** While 150 PSI is sufficient for many applications, it may not be adequate for high-pressure systems (e.g., above 200 PSI or higher). For such cases, a heavier-duty valve (e.g., 6000 series) would be required.

3. **Size Limitations:** The 50 series is designed for smaller flow rates. For high-volume applications, larger valves (e.g., 100 or 200 series) may be necessary, increasing cost and installation complexity.

4. **Specialized Tools Required:** Swagelok fittings often require specialized tools (e.g., Swagelok wrenches) for proper installation and maintenance, which may not be available in all settings.

5. **Potential for Leakage Over Time:** Like all mechanical components, the poppet seal may wear out with prolonged use, especially if exposed to abrasive particles or extreme conditions. Regular inspection is recommended.

6. **Not Ideal for High-Flow Applications:** The poppet design can introduce some pressure drop, which may be a concern in systems requiring high flow rates with minimal resistance.

7. **Limited Customization:** Swagelok offers a wide range of standard configurations, but heavily customized or non-standard applications may require additional engineering or third-party modifications.

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The **Swagelok SS-4CA-EP-50 Poppet Check Valve** is an excellent choice for applications requiring **reliable, corrosion-resistant backpressure protection in medium-pressure (150 PSI) systems**. Its stainless steel construction, brand reputation, and ease of integration make it a strong investment for industries such as **laboratories, pharmaceuticals, chemical processing, and industrial automation**, where precision and durability are critical.

However, if the application involves **high-pressure, high-flow, or extreme-temperature conditions**, or if budget constraints are a concern, alternatives (e.g., other stainless steel check valves, plastic or brass options for lower-pressure systems) should be considered. For most standard to moderately demanding applications, the **Swagelok valve is highly recommended** due to its balance of performance, longevity, and ease of use.

- You need a **durable, leak-proof solution** for a **150 PSI system**.

- Your system involves **corrosive or high-purity fluids**.

- You prioritize **long-term reliability and ease of maintenance**.

- You are working in an **industrial or laboratory setting** where Swagelok compatibility is standard.

- Your budget is tight and cost-effective generic valves suffice.

- Your system requires **higher pressure or flow rates** beyond the valve s specifications.

- You are in a **low-pressure or non-critical application** where a simpler valve would work.

Details:

I have 6 total. Make an offer for one or all 6.

part #: ss4caep50 price

• $48.00

specifications valvesplumbing:

• brand: Swagelok
• mpn: Ss-4ca-ep-50
• part type: Valve Check
• suitable media: Air, Oil, Water
• valve operation: Manual
• country of origin: United States

shipping valvesplumbing:

• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• type: Fixed
• transit: 2-6 Days
• cost: $0.00

seller valvesplumbing:

• city: San Francisco, California
• # reviews: 26
• rating: 100.0%

offer valvesplumbing:

• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1
• started: May 26, 2026

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

returns valvesplumbing:

• policy: No Returns

payments valvesplumbing:

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