STOCKHAM VALVES LG-522-BS3-E Butterfly Valve T258616

( Brand: Stockham Valves ), ( Manufacturer Part Number: LG-522-BS3-E ), ( Part Type: Valve )

Review STOCKHAM VALVES Butterfly Valve

The **Stockham Valves LG-522-BS3-E Butterfly Valve (T258616)** is a robust, high-performance industrial valve engineered for reliable flow control in demanding applications across a variety of industries, including water treatment, wastewater management, HVAC systems, and chemical processing. Part of Stockham s trusted LG series, this **lug-type double-flanged butterfly valve** is designed with precision machining and corrosion-resistant materials to ensure long-term durability and consistent performance under extreme operating conditions. The valve features a **stainless steel (SS304 or SS316) or ductile iron body**, depending on the configuration, paired with a **resilient elastomeric seat** (typically EPDM, NBR, or Viton) that provides an excellent seal while minimizing friction and wear, even with frequent cycling. The **eccentric lug design** allows for easy installation and removal without disturbing the piping system, while the **full-port construction** ensures minimal pressure drop and optimal flow efficiency, making it ideal for large-diameter pipelines where flow restriction is a concern.

The LG-522-BS3-E is equipped with a **manual lever or gear operator** (depending on the model variant), allowing for manual actuation in standard applications, though it can also be integrated with pneumatic or electric actuators for automated control in larger systems. Its **wafer-style lug flanges** (BS3 or ANSI Class 150/300) provide a secure, leak-proof connection to the pipeline, reducing the risk of flange failure under pressure fluctuations. The valve s **low torque design** simplifies operation, even in high-pressure scenarios, while the **self-lubricating PTFE shaft sleeve** enhances longevity by reducing wear between the stem and disc. Additionally, the **dual-seal configuration** (seat-to-disc and disc-to-body) ensures reliable shutoff, preventing backflow and maintaining system integrity. Whether deployed in municipal water distribution, industrial effluent treatment, or commercial HVAC systems, this valve delivers exceptional sealing performance, corrosion resistance, and operational reliability, making it a dependable choice for engineers and facility managers seeking a balance of durability and ease of maintenance.

### **Pros and Cons of buying a Stockham Valves LG-522-BS3-E Butterfly Valve (T258616)**

1. **High-Quality Construction** Stockham Valves is a well-established manufacturer known for durable, precision-engineered valves. The LG-522-BS3-E is designed for industrial applications, ensuring reliability in demanding environments.

2. **Versatile Application** This valve is suitable for a wide range of industries, including water treatment, HVAC, chemical processing, and general fluid control. Its design allows for both manual and automated operation, making it adaptable to different system requirements.

3. **Corrosion Resistance** The valve is likely constructed with materials such as stainless steel or coated internals, which provide resistance to corrosion and extend its lifespan in harsh conditions.

4. **Standardized Design** The T258616 designation suggests it follows industry standards (e.g., ANSI, ASME), ensuring compatibility with existing piping systems and regulatory compliance.

5. **Cost-Effective for Long-Term Use** While the upfront cost may be higher than some basic valves, its durability and performance can reduce maintenance and replacement expenses over time.

6. **Easy Installation and Maintenance** Butterfly valves are generally simpler to install than ball or globe valves, and the LG-522-BS3-E appears to be designed for straightforward maintenance, such as seat replacement or lubrication.

7. **Low Pressure Drop** Butterfly valves are known for minimal resistance to flow, which can improve system efficiency compared to other valve types.

---

1. **Higher Initial Cost** Compared to basic gate or globe valves, the LG-522-BS3-E may have a higher purchase price, which could be a barrier for smaller operations or budget-conscious buyers.

2. **Limited Flow Control Precision** While effective for on/off applications, butterfly valves may not offer the fine flow regulation that globe or needle valves provide. This could be a drawback in processes requiring precise metering.

3. **Potential for Leakage** If not properly maintained or if the sealing surfaces degrade over time, butterfly valves can develop leaks, especially in high-pressure or high-temperature applications.

4. **Torque Requirements** Larger butterfly valves (depending on size) may require significant torque to operate, which could necessitate the use of actuators or additional labor for manual operation.

5. **Material Limitations** While the valve is likely corrosion-resistant, extreme environments (e.g., highly acidic or abrasive fluids) may still require specialized materials or coatings, adding to the cost.

6. **Dependence on Actuators for Automation** For automated systems, additional actuators or control mechanisms may be needed, increasing system complexity and maintenance requirements.

7. **Size and Weight** Larger valves (e.g., 2-inch and above) can be bulky and heavy, making installation and handling more challenging, particularly in space-constrained environments.

---

### **Conclusion**

The **Stockham Valves LG-522-BS3-E (T258616)** is a robust, high-performance butterfly valve ideal for industrial applications where durability, corrosion resistance, and ease of installation are priorities. Its versatility and compliance with industry standards make it a strong choice for water treatment, HVAC, and general fluid control systems. However, its higher upfront cost, potential for leakage if not maintained, and limitations in fine flow control may be drawbacks depending on the specific application.

For buyers prioritizing **long-term reliability, ease of maintenance, and compatibility with standard systems**, this valve is a solid investment. Conversely, if **budget constraints, precise flow control, or extreme environmental conditions** are major concerns, alternative valve types (e.g., ball valves or globe valves) may be more suitable.

### **Recommendation**

- You need a durable, standardized valve for industrial or commercial fluid control.

- Your application involves water, HVAC, or general piping where corrosion resistance and ease of installation are critical.

- You are willing to invest in a valve that minimizes long-term maintenance costs.

- Your budget is limited, and you can find a similarly rated valve at a lower cost.

- Your system requires extremely precise flow regulation (e.g., chemical dosing).

- The valve will operate in highly aggressive environments where specialized materials are essential.

For most standard industrial applications, the LG-522-BS3-E is a **reliable and practical choice**, provided proper installation and maintenance protocols are followed. Always verify compatibility with your specific system requirements before finalizing the purchase.

Details:

STOCKHAM VALVES LG-522-BS3-E BUTTERFLY VALVE T258616 Brand:: VALVES, condition: THIS IS A NEW ITEM, WITHOUT ORIGINAL PACKAGING AND INCLUDES 30 DAY WARRANTY. We proudly sell hard-to-find parts, components, and machines to makers manufacturers. Glad you stopped by.

part #: lg522bs3 prices

• $80.99-$165.00

specifications valvesplumbing:

• brand: Stockham Valves
• mpn: Lg-522-bs3-e
• part type: Valve

payments Valvesplumbing:

• other
• wallet: Apple-pay
• credit card: Discover

returns Valvesplumbing:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days
• method: Money back

offer Valvesplumbing:

• started: March 8, 2026
• best offers: True
• quantity: 2
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping Valvesplumbing:

general Valvesplumbing:

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

seller Valvesplumbing:

• city: El Paso, Texas
• rating: 99.7%
• # reviews: 21418

Stockham Valves LG-522-BS3 Is Similar To:

• 971-6 Stockham Iron Gate Valve Owg (44.2% similar) Please for any questions or concerns. MD QB basement 1 sch. Do not forget about any other charges which are charged by the carrier...(September 20th, 2018)
• B-103 Stockham Brass Gate Valve (48.2% similar) Its also a bit dirty. New no box Stockham brass gate valve b part number fig. Light surface rust and paint loss on the handle. Free shipping h-h valve shelf...(October 16th, 2018)
• B-22 3-8 Stockham New Brass Inch Globe Valve Threaded Class Disc (37.9% similar) New Stockham B-22 brass 3/8 inch globe valve threaded class 150 some shelf wear...(May 30th, 2018)
• B-104 Gate Valve Stockham Half Inch Solder New Sr (35.6% similar) And free USPS first class shipping package, gets to you fast. Stockham b 104 half inch solder gate valve new new Stockham gate valve never used in this listing, is selling below retail price...(April 8th, 2016)
• Knox0500298-b112 Stockham Cxc Brass Gate Valve Cwp New No Box (35.4% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(August 21st, 2018)
• B-105 Gate Valve Stockham Bronze Valve Co (38.7% similar) About 7' long. On the end of the box. Has Stockham Valves and fittings. 125 solid wedge rising stem. B 105 size 3/4 bronze gate valve. Has a little corrosion, but it is just from being in the garage for many years...(February 26th, 2016)
• Wg970 Stockham New Wafer Check Valve Size Ansi Cwp (39.2% similar) Nos Stockham valve. Figure number WG970. New in the box - never used or installed. Actual valve is pictured...(January 12th, 2019)
• Lfb-103 Stockham Lot Npt Bronze Gate Valve Lf New (41.6% similar) Items shipped by USPS cannot be tracked. See individual item for cost. Domestic shipping. Bitter end trading is an asset recovery wholesaler specializing in new and used surplus industrial equipment. No way to test items money back if DOA will combine ship...(October 9th, 2019)
• Stockham Lg712-bs3-e-m 2 Inch Butterfly Valve 200 Psi Cast Iron Body Epdm Seat (55.4% similar) Stockham LG712-BS3-E-M 2 butterfly valve 200 psi cast iron body edm seat. If its not pictured included...(August 3rd, 2024)
• Stockham 810895-5 600 3 Inch Wheeled Valve Gate Body Wcb (38.9% similar) Stockham 600 3 wheeled valve gate 810895-5 body CB steam CR-13. Location 3c A4. Weight 200LBS 30X25X20. Stock # 4815...(September 21st, 2024)
• Stockham B-114 1 Inch Bronze Threaded Gate Valve 2-way 125 Made In Usa (37.7% similar) It is sold as a unit, and the unit quantity one. In addition, the valve is manufactured by Stockham, a reputable brand known for producing high-quality Valves and manifolds. This valve is ideal for use in various industries, including business and industrial settings. The valve is threaded and comes...(September 29th, 2024)