KENNEDY VALVE 2165640 Fig Butterfly Usip Fig. 157
( Brand: Kennedy Valve ), ( Manufacturer Part Number: 2165640 )
Review KENNEDY VALVE Fig. 157 Butterfly Usip
The **Kennedy Valve 2165640 (Fig. 157) Butterfly Valve** is a robust, high-performance flow control solution engineered for demanding industrial applications where reliability, durability, and precise regulation are paramount. Part of Kennedy Valve s trusted **USIP (Universal Seated Inline Pattern)** series, this **wafer-style butterfly valve** is designed to provide efficient throttling and full-bore flow capability in piping systems handling liquids, gases, or slurries. Constructed from **cast ductile iron (DDI) or stainless steel (SS) bodies**, depending on the specific model variant, the valve is built to withstand extreme operating conditions, including high temperatures, corrosive environments, and significant pressure differentials, making it ideal for use in water treatment plants, municipal infrastructure, chemical processing, and industrial manufacturing facilities. The **Fig. 157** designation indicates a **double-flanged design**, featuring a **centerline pattern** that allows for easy installation between two flanges, reducing system complexity and maintenance downtime. Its **lug-style or wafer-style** mounting options (depending on the variant) provide flexibility in retrofitting existing pipelines without the need for extensive modifications.
The valve s **rubber-lined or PTFE-seated disc** ensures superior sealing performance, minimizing leakage and preventing corrosion while maintaining smooth operation even in abrasive or particulate-laden fluids. The **eccentric shaft design** reduces friction and wear, extending the valve s operational lifespan and improving efficiency, particularly in applications where frequent cycling or throttling is required. A **gear operator or manual lever** (depending on the configuration) allows for precise control, enabling operators to adjust flow rates with ease, while the **double-offset disc mechanism** further enhances sealing integrity and reduces torque requirements, making it easier to operate in high-pressure systems. Additionally, the valve s **full-port design** ensures minimal pressure drop, optimizing system efficiency and energy savings. Kennedy Valve s reputation for **high-quality craftsmanship and rigorous testing** ensures that this unit meets or exceeds industry standards, including **ASTM, AWWA, and ANSI/B16.10** specifications, providing engineers and facility managers with confidence in its long-term performance. Whether deployed in a critical water distribution network, a chemical plant, or an oil and gas facility, the **Kennedy Valve 2165640 (Fig. 157)** delivers a dependable, low-maintenance solution for precise flow control and reliable service.
### **Kennedy Valve 2165640 (Fig. 157 Butterfly Valve USIP Series) Pros and Cons**
#### **Overview**
The **Kennedy Valve 2165640 (Fig. 157 Butterfly Valve, USIP Series)** is a **lug-type, double-flanged, resilient-seated butterfly valve** designed for general industrial applications, including water, wastewater, HVAC, and mild chemical services. It features a **soft elastomeric seat** (typically EPDM or NBR) and a **stainless steel or carbon steel body**, making it suitable for moderate pressure and temperature ranges.
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### **Pros**
1. **Cost-Effective for General Applications**
- The valve is designed for **moderate-duty service**, making it a budget-friendly option compared to high-performance or high-pressure butterfly valves.
- Lower initial cost than some specialized valves (e.g., triple-offset or metal-seated types).
2. **Compact and Lightweight Design**
- Lug-type construction allows for **quick installation** without full line shutdown (unlike wafer-type valves).
- Easier to handle and install in tight spaces compared to larger gate or globe valves.
3. **Good Flow Characteristics**
- Butterfly valves provide **low resistance to flow** when fully open, reducing pumping costs.
- The **smooth disc design** minimizes turbulence compared to some other valve types.
4. **Moderate Pressure and Temperature Ratings**
- Typically rated for **Class 150 or 300** (depending on material) and temperatures up to ** 200 F (93 C)** for standard elastomeric seats.
- Suitable for **municipal water, irrigation, and HVAC systems** where extreme conditions are not present.
5. **Easy Maintenance**
- **Replaceable seats and gaskets** simplify repairs no need to replace the entire valve.
- **Manual or pneumatic actuators** are commonly available for automation.
6. **Standardized and Widely Available**
- Part of Kennedy s **USIP series**, which is a well-known industrial valve line with **easy spare parts availability**.
- Compatible with common piping standards (ANSI, DIN, etc.).
7. **Quiet Operation**
- Resilient seats reduce **water hammer and noise** compared to metal-seated valves.
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### **Cons**
1. **Limited Pressure and Temperature Ratings**
- **Not suitable for high-pressure or high-temperature applications** (e.g., steam, geothermal, or aggressive chemicals).
- **Elastomeric seats degrade over time** in high-temperature or chemically harsh environments, requiring frequent replacement.
2. **Lower Leakage Resistance**
- **Class 150/300 resilient-seated valves are not tight-shutting** they may leak slightly under pressure compared to metal-seated or triple-offset valves.
- **Not ideal for critical shutoff applications** (e.g., fire protection, high-purity systems).
3. **Wear Over Time**
- The **elastomeric seat wears out** with frequent cycling, reducing sealing performance.
- **Stem and disc may wear** if the valve is used in abrasive fluids (e.g., wastewater with solids).
4. **Limited Material Options**
- Standard body materials are **carbon steel or stainless steel (304/316)**, which may not be sufficient for **corrosive or abrasive services**.
- **No high-performance coatings** (e.g., hard-facing, epoxy) in basic models.
5. **Actuator Limitations**
- **Manual operation is standard** pneumatic or electric actuators add cost.
- **Not ideal for high-torque applications** (e.g., large-line sizes or high-pressure drops).
6. **Potential for Seat Failure in Harsh Conditions**
- **EPDM/NBR seats fail quickly** in oils, solvents, or extreme temperatures.
- Requires **regular inspection and seat replacement**, increasing long-term costs.
7. **Not Suitable for High-Purity or Critical Fluid Control**
- **Elastomeric seats can contaminate fluids** (e.g., pharmaceutical, food processing).
- **Not ANSI/FCI Class IV or VI rated** for tight shutoff.
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### **Conclusion**
The **Kennedy Valve 2165640 (Fig. 157, USIP Series)** is a **cost-effective, general-purpose butterfly valve** best suited for **moderate-pressure, non-critical applications** such as:
- **Municipal water distribution**
- **HVAC systems**
- **Irrigation**
- **Light industrial wastewater (non-abrasive)**
- **General utility services**
It is **not recommended** for:- **High-pressure or high-temperature services** (e.g., steam, geothermal)
- **Abrasive or corrosive fluids** (unless upgraded with special seats/materials)
- **Critical shutoff applications** (e.g., fire protection, chemical processing)
- **High-purity or sanitary systems**
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### **Recommendation**
- **Buy if:**- You need a **budget-friendly, easy-to-install valve** for **non-critical water or HVAC applications**.
- The **operating conditions (pressure, temperature, fluid type) are within the valve s rated limits**.
- You can **perform regular maintenance** (seat/gasket replacement).
- **Avoid if:**- You require **tight shutoff, high pressure, or extreme temperatures**.
- The fluid is **abrasive, corrosive, or contains solids** that could damage the elastomeric seat.
- The application demands **high reliability or long service life** without frequent maintenance.
- **Consider Alternatives If:**- **Higher performance is needed** **Triple-offset or metal-seated butterfly valves** (e.g., Kennedy 2165645).
- **Corrosive service** **Stainless steel or lined valves** (e.g., Kennedy 2165640 with PTFE seats).
- **High-pressure applications** **Lug-type gate valves or ball valves**.
- **Critical shutoff required** **Double-flanged gate valves or plug valves**.
For most **general industrial water or HVAC systems**, this valve provides **good value**, but **upgrade components (seats, materials, actuators) if conditions demand higher performance**. Always verify **specific fluid compatibility and operating conditions** before purchase.
Details:
157 Butterfly Valve Manufactured by KENNEDY VALVE. Special Instructions. Most items are in stock when they listed. 2-Year MRO Shield Protection Plan Included.
Kennedy Valve Fig. The product must be the original item shipped, with matching serial numbers if applicable. 157 Butterfly Valve Butterfly Valve with supervisory and auxiliary switches, 300 PSI rated Pressure. Manufacturer Part Number: 2165640.
A previously used, fully functional product that may have some signs of cosmetic wear.
part #: 2165640 price
- $441.00
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