SHARPE 34834 Gate Valve Stl 1-1/2 A105N 100F A182-F6A

( Brand: Sharpe ), ( Manufacturer Part Number: 34834 ), ( Part Type: Valve ), ( Valve Operation: Manual ), ( Country Of Origin: United States )

Review SHARPE Gate Valve 1-1/2 Psi At Stl

The **Sharpe 34834 Gate Valve (1-1/2" A105N, 1975 Class 100F, A182-F6A, STL)** is a robust, high-performance industrial gate valve engineered for demanding applications in oil and gas, petrochemical, and heavy-duty piping systems. Manufactured to strict ASME and API standards, this valve is constructed from **A105N carbon steel body and bonnet**, ensuring exceptional strength and resistance to high-pressure environments, with a rated working pressure of **1,000 psi (Class 100F)** at temperatures ranging from **-20 F to 650 F**, making it suitable for both cryogenic and elevated-temperature service. The **A182-F6A stainless steel (316) wedge gate** provides superior corrosion resistance, preventing pitting, crevice corrosion, and scaling in aggressive media, including seawater, brine, and acidic fluids, while maintaining smooth, reliable operation even under fluctuating conditions.

Designed with a **full-port (1-1/2" nominal size) configuration**, this valve offers minimal pressure drop and unrestricted flow, making it ideal for high-volume applications where efficiency is critical. The **rising stem design** allows for easy manual operation, with a handwheel or lever providing precise control for opening and closing, while the **lubricated packing system** ensures long-term sealing integrity, reducing the risk of leaks and maintaining system integrity over extended service life. The **screw-down gate mechanism** with **A193-B7 bolted bonnet** provides a secure, leak-proof connection, further enhancing reliability in high-pressure and high-temperature environments.

Built to last, this valve features **standardized thread connections (NPT or BSPT, depending on configuration)** for seamless integration into existing piping systems, while its **smooth, polished interior surfaces** minimize turbulence and reduce erosion, extending both the valve s lifespan and the efficiency of the entire pipeline. The **A105N body and A182-F6A gate combination** also ensures compatibility with a wide range of fluids, including hydrocarbons, natural gas, and corrosive chemicals, making it a versatile choice for refineries, offshore platforms, and industrial processing facilities. With its **1975-era construction**, this valve reflects decades of proven engineering, offering a balance of durability, performance, and cost-effectiveness for applications where legacy systems remain in service or where replacement parts are scarce. Whether used in new installations or as a high-quality replacement for aging infrastructure, the Sharpe 34834 Gate Valve delivers dependable service in the most demanding industrial settings.

### **Analysis of Buying a Sharpe 34834 Gate Valve (1-1/2" A105N, 1975 Class 100F, A182-F6a STL)**

#### **Pros**

1. **High-Quality Material and Standards**

- The valve is made from **A182-F6a (cast stainless steel)**, which is a durable, corrosion-resistant alloy suitable for high-pressure and high-temperature applications. This material is commonly used in industrial, chemical, and power generation systems where reliability is critical.

- It complies with **ASME B16.34 (Class 100F)**, ensuring it meets strict pressure-temperature ratings for flanged connections, making it safe for demanding environments.

2. **Proven Brand and Reliability**

- Sharpe Valve is a well-established manufacturer with a long history in producing high-quality gate valves for industrial use. Their products are often preferred in sectors like oil and gas, water treatment, and power plants due to their durability and performance.

3. **Standardized Design for Easy Integration**

- The **1-1/2" size** is a common nominal pipe size, meaning it is widely compatible with existing piping systems. The **A105N (carbon steel flange rating)** ensures it fits standard ASME flanges, reducing compatibility issues.

- The **1975 class** (100F) indicates it is designed for high-pressure applications (up to 1,000 psi at 100 F, though actual ratings depend on temperature and media), making it versatile for various industrial uses.

4. **Long-Term Durability**

- Cast stainless steel (F6a) is resistant to corrosion, scaling, and wear, which extends the valve s lifespan compared to lower-grade materials like carbon steel alone. This reduces maintenance costs and downtime over time.

- The **full-port design** (assuming standard for this size) allows for maximum flow with minimal pressure drop, improving system efficiency.

5. **Potential for Resale or Reuse**

- Due to its robust construction and standardized specifications, this valve may retain value if you decide to sell it later, especially in industrial markets where used but high-quality valves are still in demand.

---

#### **Cons**

1. **Age of the Valve (1975 Class)**

- While the **1975** designation refers to the pressure class (not the year of manufacture), it indicates the valve is designed for **Class 100F (1,000 psi at 100 F)**, which is a high-pressure rating. However, if the valve is **old or has been stored improperly**, it may have:

- **Worn-out internals** (e.g., seat, stem, or disc).

- **Corrosion or pitting** if exposed to moisture or improper storage.

- **Stiff or seized components** due to lack of maintenance.

- Without a thorough inspection or maintenance history, its condition cannot be guaranteed.

2. **Potential for Hidden Damage**

- **Cracks in the casting** (common in older stainless steel valves due to thermal stress or improper handling).

- **Worn flange faces** (which could lead to leaks if not reseated properly).

- **Stem or disc corrosion** (especially if the valve was used in aggressive media like acids or salts).

- A **hydrostatic test or visual inspection by a professional** is strongly recommended before purchase.

3. **Cost of Maintenance or Replacement Parts**

- If the valve requires refurbishment (e.g., replacing the disc, seat, or stem), parts may be expensive, especially for a **1-1/2" A182-F6a** valve. Some components may be obsolete or difficult to source.

- Labor costs for professional refurbishment or installation can add up, particularly in industrial settings.

4. **Compatibility with Modern Systems**

- While the valve s size and material are standard, **modern piping systems may use different standards** (e.g., higher-grade stainless steel, different flange ratings, or corrosion-resistant coatings). Ensuring full compatibility with your system s requirements is essential.

- Some newer applications may prefer **modern certifications** (e.g., API 600/602) or **non-magnetic stainless steel** (e.g., F51 for LNG applications), which this valve may not meet.

5. **Potential for Overpaying**

- If the valve is being sold as a **lot item** or without a clear history, it may be priced higher than a **new or refurbished equivalent**. New gate valves from reputable manufacturers (e.g., Flowserve, Valtek, or even Sharpe s newer models) may offer warranties or better long-term reliability.

- If the valve has **significant wear**, the cost of refurbishment could outweigh the savings from buying used.

6. **Logistical and Storage Challenges**

- Gate valves are **heavy and bulky**, especially in stainless steel. Transporting and storing one may require special handling, increasing costs.

- If the valve is **not stored properly**, it could have been exposed to contaminants (e.g., rust, dirt, or improper lubricants), which may affect performance.

---

### **Conclusion**

- You **verify its condition through inspection or testing** (e.g., pressure testing, visual inspection of internals).

- You **confirm compatibility** with your system s media, pressure, and temperature requirements.

- You are **willing to invest in maintenance or refurbishment** if needed.

- You **cannot find a suitable new or refurbished alternative** at a comparable price.

- You **cannot assess the valve s condition** (e.g., no inspection report, unclear history).

- You **require modern certifications or materials** (e.g., API 600, duplex stainless steel).

- You **prefer the peace of mind of a new valve with a warranty**.

- The **cost of refurbishment or potential downtime** outweighs the savings from buying used.

---

### **Recommendation**

- Visible cracks, corrosion, or pitting in the body or internals.

- Proper seating of the disc and stem operation.

- Condition of the flange faces and gaskets.

- Performing a **pressure test** to ensure it holds seal.

- Checking for **leaks at the flanges** when fully open and closed.

- **Consider refurbishment** if needed, but factor in the cost of parts and labor.

- **Document the valve s history** (e.g., maintenance records, previous uses) to ensure it meets your application s needs.

- **Purchase a new or refurbished valve** from a reputable manufacturer with a warranty. While the upfront cost may be higher, you avoid the risks of hidden defects.

- **Check for alternatives** in **A182-F6a or higher-grade stainless steel** (e.g., F51, F53) if your application requires enhanced corrosion resistance.

- **Consult an industrial valve specialist** to determine if this valve is truly the best fit for your system or if a different size/class/material would be more suitable.

- **Negotiate the price** based on the valve s condition and age. Avoid overpaying for a used valve without proof of its reliability.

- **Ask for documentation** (e.g., original specs, inspection reports) to support the valve s suitability for your application.

### **Final Verdict**

This **Sharpe gate valve is a strong candidate for industrial use** if its condition is verified and it aligns with your system s requirements. However, **the risks of hidden damage or incompatibility make it a higher-risk purchase compared to a new or refurbished valve**. **Prioritize inspection and testing** before committing, or consider a new valve if reliability is paramount.

Details:

The Sharpe brand is known for producing reliable and durable valves, making this gate valve a dependable choice those in need of robust efficient solution. The Sharpe Gate Valve 1-1/2 A105N 34834 is a high-quality, manual gate valve designed for use in various industrial and commercial applications. Made in the USA, this valve operates at a maximum pressure of 1975 PSI 100F and is crafted using A182-F6A STL materials.

part #: 34834 prices

• $25.00-$40.00

specifications valvesplumbing:

• brand: Sharpe
• mpn: 34834
• part type: Valve
• valve operation: Manual
• country of origin: United States

general valvesplumbing:

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

returns valvesplumbing:

• policy: No Returns

payments valvesplumbing:

• credit card: Diners-club
• wallet: Google-pay
• other

seller valvesplumbing:

• rating: 100.0%
• city: Clare, Michigan
• # reviews: 5

offer valvesplumbing:

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

shipping valvesplumbing:

• type: Calculated
• carrier: USPS
• cost: $11.31
• transit: 5-11 Days
• service: USPS Ground Advantage
• class: Standard

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