
( Brand: Swagelok ), ( Manufacturer Part Number: SS-42XTS4 ), ( Part Type: Valve Handle Tube ), ( Housing Material: Stainless Steel ), ( Valve Operation: Manual ), ( Unit Type: Unit ), ( Country Of Origin: United States )
The **Swagelok SS-42XT-S4 316 Ball Valve (1/4" Tube, 2500 Series Handle)** represents the pinnacle of precision-engineered fluid control, meticulously crafted for demanding applications where reliability, durability, and leak-free performance are non-negotiable. Designed with Swagelok s signature attention to detail, this stainless steel ball valve combines the robustness of **316 stainless steel construction** resistant to corrosion, oxidation, and extreme temperatures ranging from **-320 F to 800 F (-196 C to 427 C)** with the unmatched sealing integrity of a **full-port, floating ball design**. The **1/4" tube connection** ensures compatibility with a wide range of Swagelok fittings, tubing, and instrumentation, making it an ideal choice for high-pressure systems, chemical processing, pharmaceutical manufacturing, and aerospace applications where even the slightest contamination or pressure loss cannot be tolerated.
The **2500 Series handle** is engineered for ergonomic operation and extended service life, featuring a **Teflon -coated ball** that eliminates galling, reduces friction, and ensures smooth, torque-free actuation critical for systems where frequent cycling or precise flow modulation is required. The handle s **positive, tactile feedback** confirms full open/closed positions, while its **durable stainless steel construction** resists wear from repeated use. The valve s **welded bonnet design** enhances structural integrity, preventing leaks at the stem-to-body interface, a common failure point in less robust valves. Additionally, the **full-port configuration** minimizes pressure drop and maximizes flow efficiency, making it suitable for applications where fluid velocity and system performance are critical.
Beyond its mechanical superiority, this valve adheres to **Swagelok s industry-leading quality standards**, including **ASME B16.10, MSS SP-61, and ISO 14313 certifications**, ensuring compatibility with stringent regulatory environments such as pharmaceutical (GMP), food and beverage, and semiconductor manufacturing. The **316 stainless steel body and trim** not only withstand aggressive chemicals but also maintain cleanliness, making it an excellent choice for applications where residual contamination must be avoided. Whether integrated into a **high-purity gas delivery system, a cryogenic fluid transfer line, or a high-temperature process loop**, this valve delivers the **sealing performance, corrosion resistance, and operational longevity** expected from Swagelok s legendary reputation for precision fluid control. Built to endure the most exacting conditions, the **SS-42XT-S4** is not just a valve it s a cornerstone of reliable, high-performance fluid handling.
**Pros and Cons of Buying Swagelok SS-42XT-S4 316 Ball Valves (1/4" Tube, 2500 PSI, Handles)**
### **Pros**
1. **High-Quality Material**: Made from **316 stainless steel**, which offers excellent corrosion resistance, making it suitable for aggressive chemicals, saltwater, and high-temperature applications. This material is ideal for industrial, pharmaceutical, and food-grade systems where contamination must be minimized.
2. **Durability and Longevity**: Swagelok is a well-established brand known for precision-engineered, high-performance fittings and valves. The **SS-42XT-S4** series is designed for **2500 PSI pressure rating**, ensuring reliability in demanding environments. The **cross-pattern ball design** reduces torque and wear, extending valve life.
3. **Sealing Performance**: The **Teflon -coated ball and seat** (or equivalent PTFE-based materials) provides a tight seal, preventing leaks even under high-pressure conditions. This is critical in applications where fluid containment is essential.
4. **Compatibility with Swagelok System**: These valves are part of Swagelok s **standardized tubing system**, meaning they integrate seamlessly with other Swagelok fittings, reducing the risk of leaks at connections. This modularity simplifies maintenance and upgrades.
5. **Versatile Applications**: Suitable for **gas, liquid, and slurry applications** in industries such as:- **Chemical processing**
- **Pharmaceutical manufacturing**
- **Food and beverage production**
- **Oil & gas (where corrosion resistance is required)**
- **Laboratory and pilot-scale operations**
6. **Easy Installation and Maintenance**: The **handwheel design** allows for manual operation without additional tools, making it user-friendly. The **tube-size connection (1/4")** is standard, ensuring compatibility with existing systems.
7. **Regulatory Compliance**: 316 stainless steel and PTFE coatings meet **FDA, USP Class VI, and pharmaceutical-grade standards**, making these valves suitable for applications requiring strict hygiene and material purity.
8. **Wide Availability of Parts**: Swagelok has a global supply chain, so replacement parts, gaskets, and seals are readily accessible, reducing downtime.
---
### **Cons**
1. **Higher Upfront Cost**: Compared to generic or non-branded ball valves, Swagelok products are **premium-priced**. For budget-conscious buyers, especially in low-pressure or non-critical applications, alternatives may be more cost-effective.
2. **Specialized Tools for Installation (Optional)**: While the handwheel allows manual operation, some Swagelok fittings require **specialized tools (e.g., Swagelok wrenches or torque wrenches)** for proper installation. This may add to the initial setup cost if tools are not already available.
3. **Limited Color Coding**: Unlike some industrial valves that use **color-coded handles for quick identification**, Swagelok s standard handles are typically **silver or stainless steel**. While functional, this may not provide immediate visual differentiation in complex systems.
4. **Potential for Overkill in Low-Pressure Systems**: If the application operates at **well below 2500 PSI** (e.g., standard air or water systems), a **lower-rated valve** (e.g., 1000 2000 PSI) might suffice, reducing unnecessary expense.
5. **Maintenance Requirements**: While durable, **PTFE-coated seats may wear over time**, especially in abrasive or high-temperature environments. Regular inspection and potential seat replacement may be needed, though Swagelok provides replacement parts.
6. **Not Ideal for Extreme Temperatures (Without Special Grades)**: While 316 stainless steel handles a wide range of temperatures, **very high or low extremes (e.g., cryogenic or above 400 F/204 C)** may require **specialized alloys or coatings**, which could increase cost.
7. **Learning Curve for Non-Swagelok Systems**: If the system integrates **non-Swagelok components**, mismatched torque specifications or sealing surfaces could lead to leaks or damage, requiring additional expertise.
---
### **Conclusion**
The **Swagelok SS-42XT-S4 316 ball valves (1/4" tube, 2500 PSI)** are an **excellent choice** for applications requiring **high reliability, corrosion resistance, and long-term performance** in demanding industrial, pharmaceutical, or food-grade environments. Their **superior sealing, durability, and compatibility with Swagelok s ecosystem** justify the higher cost for critical systems.
However, if the application involves **low-pressure, non-corrosive fluids, or budget constraints**, alternative valves (e.g., **standard 316 SS ball valves from other brands or lower-pressure-rated options**) may be sufficient without sacrificing performance.
### **Recommendation**
- **Buy these valves if:**- You need **corrosion resistance** (e.g., chemical, pharmaceutical, or marine applications).
- Your system operates at **high pressures (near 2500 PSI)** or requires **leak-tight performance**.
- You are already using **Swagelok fittings** and want **consistency in the system**.
- Compliance with **FDA, USP, or hygienic standards** is mandatory.
- **Consider alternatives if:**- The application is **low-pressure (e.g.,
- **Cost is a major constraint**, and you can find equally reliable valves at a lower price.
- The system **does not require Swagelok compatibility**, and other brands offer similar performance at a reduced cost.
For most **high-integrity industrial, lab, or pharmaceutical applications**, the **Swagelok SS-42XT-S4 is a strong recommendation** due to its **proven reliability and longevity**. Always verify the **specific pressure, temperature, and fluid compatibility** with Swagelok s technical documentation to ensure optimal performance.
These appear to be Swagelok instrumentation shutoff valves with 1/4 tube compression connections, commonly used in laboratory and industrial fluid or gas systems. No guarantees are made regarding functionality beyond the described cosmetic condition. Used industrial surplus, Removed from laboratory / instrumentation equipment, Black lever handles installed, Swagelok compression nuts included, Cosmetic wear prior installation, Valves rotate smoothly via the handle. This listing is for six 6 Swagelok stainless steel ball valves marked SS-42XTS4.
Swagelok Stainless Steel Instrumentation Ball Valves Lot of 6. This item is sold as surplus equipment and being offered as-is. Valve body markings include: Swagelok, SS-42XTS4, 316, 2500 PSI 100 F, 150 F PSI.125 in / 3.2mm orifice.