NIBCO NLK700M Butterfly Valve Grooved Geared Buna Ductile 039923767493 Body Iron 4775

( Brand: Nibco ), ( Manufacturer Part Number: NLK700M ), ( Part Type: Valve ), ( Body Material: Ductile Iron ), ( Wog Rating: 300 Psi ), ( Valve Operation: Manual ), ( Butterfly Valve Type: Grooved ), ( Diameter: 10 In ), ( Country Of Origin: United States ), ( UPC: 039923767493 )

Review NIBCO Inch Butterfly Valve Grooved Geared Buna n Ductile Iron Body Only

The **Nibco NLK700M 4775 10 Butterfly Valve** is a robust, high-performance grooved-end control valve engineered for demanding industrial and municipal applications where reliability, durability, and precise flow regulation are essential. Constructed from **ductile iron**, this valve delivers exceptional strength and resistance to corrosion, thermal shock, and mechanical stress, making it ideal for use in water distribution systems, fire protection networks, HVAC applications, and commercial plumbing installations. The **geared operation** ensures smooth, effortless actuation with minimal torque, allowing operators to open or close the valve with ease, even under full pressure conditions, while the **Buna-N elastomeric seat** provides a tight, leak-proof seal that maintains system integrity over extended periods. Featuring a **grooved end connection** (compatible with Nibco s standard grooved fittings), this valve simplifies installation and removal without the need for welding or threading, reducing downtime and labor costs. The **10-inch diameter** body accommodates high flow rates, making it suitable for large-scale piping systems where efficiency and minimal pressure loss are critical. With a **double-offset design**, the valve minimizes turbulence and erosion, extending its operational lifespan while maintaining consistent performance. Whether integrated into a municipal water supply, industrial process line, or fire sprinkler system, the NLK700M 4775 10 stands as a dependable, long-lasting solution for precise flow control in demanding environments.

### **Pros and Cons of buying a Nibco NLK700M (4775) 10" Butterfly Valve (Grooved, Geared, Buna-N, Ductile Iron Body)**

1. **High Flow Capacity** The 10-inch size ensures minimal pressure drop, making it suitable for large-diameter piping systems where flow efficiency is critical.

2. **Durable Construction** The ductile iron body is resistant to corrosion, impact, and wear, providing long-term reliability in demanding applications.

3. **Grooved Ends** Compatible with grooved pipe systems, allowing for quick and secure installation without welding, reducing downtime.

4. **Geared Operation** The built-in gear mechanism provides precise control, making it easier to open and close the valve, especially in high-torque applications.

5. **Buna-N Sealing** The Buna-N (synthetic rubber) seat and gasket offer excellent resistance to oils, fuels, and mild chemicals, extending the valve s service life.

6. **Full Port Design** The full bore allows for maximum flow without restriction, which is beneficial in high-volume systems.

7. **Fire Safety Rating** Many Nibco butterfly valves meet fire safety standards (e.g., FM or UL), ensuring reliable operation in emergency shutoff scenarios.

8. **Wide Application Range** Suitable for water, wastewater, HVAC, fire protection, and industrial fluid handling systems.

9. **Easy Maintenance** The grooved design allows for quick disassembly and replacement of wear parts, reducing maintenance downtime.

10. **Brand Reputation** Nibco is a trusted manufacturer in the plumbing and fire protection industry, known for quality and performance.

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1. **Higher Upfront Cost** Compared to smaller or simpler valve types, this large, geared butterfly valve is more expensive, which may be a consideration for budget-sensitive projects.

2. **Space Requirements** The 10-inch size requires adequate installation space, which may be a limitation in tight piping layouts.

3. **Potential for Leakage Over Time** While Buna-N is durable, prolonged exposure to harsh chemicals or extreme temperatures could degrade the sealing material, requiring eventual replacement.

4. **Gearing Maintenance** The geared mechanism may require periodic lubrication to prevent stiffness, adding slight maintenance overhead.

5. **Limited Temperature Range** While suitable for many applications, extreme cold or high heat (beyond the valve s rated range) could affect performance.

6. **Specialized Installation** Grooved connections require proper alignment and grooved pipe fittings, which may not be available in all systems.

7. **Weight** The ductile iron body makes the valve heavy, which could complicate handling and installation in some settings.

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The **Nibco NLK700M 10" grooved geared butterfly valve** is an excellent choice for large-scale piping systems where durability, flow efficiency, and reliable shutoff are priorities. Its ductile iron construction, grooved ends, and Buna-N sealing make it well-suited for water, fire protection, and industrial applications. However, its higher cost and physical size may be drawbacks in smaller or cost-sensitive projects.

- **Buy if:** You need a high-performance, long-lasting valve for a large-diameter system (e.g., fire protection, municipal water, or industrial fluid handling) where ease of operation and minimal pressure loss are critical.

- **Consider alternatives if:** Your budget is tight, the installation space is limited, or you require a valve for extremely corrosive or high-temperature applications where specialized materials (e.g., stainless steel or PTFE seals) would be better suited.

- **Ensure compatibility** with your existing grooved piping system and verify that the valve meets any local fire or plumbing codes before purchase.

For most commercial or industrial applications requiring reliability and flow efficiency, this valve is a strong and justified investment.

Details:

It is unused old stock that has some dirt/corrosion/staining/etc from sitting in storage for years. Sold as shown. For sale is a Nibco GD-4775 - Butterfly Valve Ductile Iron, Grooved, 300 PSI body only. Before purchasing: Review pictures thoroughly for condition before purchasing.

The gear assembly was sold separately.

part #: nlk700m prices

• $275.00-$499.95

specifications valvesplumbing:

• brand: Nibco
• mpn: Nlk700m
• part type: Valve
• body material: Ductile Iron
• wog rating: 300 Psi
• valve operation: Manual
• butterfly valve type: Grooved
• diameter: 10 In
• country of origin: United States
• upc: 039923767493

offer valvesplumbing:

• availability: In Stock
• options: Ship-to-home
• started: June 6, 2026
• sold: 0
• best offers: True
• quantity: 1

shipping valvesplumbing:

• transit: 4-7 Days
• service: UPS Ground, FedEx Ground / FedEx Home Delivery
• type: Calculated
• carrier: UPS, FedEx
• cost: $0.00
• class: Standard

seller valvesplumbing:

• rating: 99.7%
• # reviews: 5739
• city: McKeesport, Pennsylvania

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Butterfly Valves
• condition: For parts or not working

returns valvesplumbing:

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

payments valvesplumbing:

• credit card: Mastercard
• wallet: Google-pay
• other

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