TYCO DN-100 Pipe Valve DPV-1

( Brand: Tyco ), ( Manufacturer Part Number: DN-100 ), ( Part Type: Pipe Valve )

Review TYCO Dry Pipe Valve Inch

The **Tyco DN-100 DPV-1 Pipe Valve** is a high-performance, dual-function pressure relief and vacuum break valve designed to safeguard plumbing systems from excessive pressure surges and potential vacuum conditions, ensuring both efficiency and longevity in residential, commercial, and light industrial applications. Engineered with precision, this valve features a robust **100mm (4-inch) nominal diameter** to accommodate high-flow rates while maintaining exceptional durability, making it ideal for water distribution systems, irrigation networks, and fire protection lines where consistent pressure regulation is critical. Constructed from **high-grade brass with a durable zinc alloy coating**, the DPV-1 resists corrosion, scaling, and wear, even in harsh environments containing chlorinated water or mineral deposits, thus extending the lifespan of the entire piping infrastructure. Its **patented dual-chamber design** integrates a pressure relief mechanism with a vacuum breaker, allowing it to automatically vent excess air when the system experiences a vacuum condition such as during pump shutdowns or sudden demand drops while simultaneously preventing backflow and water hammer effects that can damage pipes and fixtures. The valve s **smooth, full-port flow path** minimizes pressure loss and turbulence, ensuring optimal water flow without compromising system efficiency. Additionally, the DPV-1 is equipped with a **quick-connect or threaded connection system**, offering flexibility for easy installation in both new and retrofitted systems, while its **compact yet sturdy housing** allows for seamless integration into tight spaces. With a **rated working pressure of up to 175 PSI (12 bar)** and a temperature tolerance ranging from **-20 F to 212 F (-29 C to 100 C)**, this valve delivers reliable protection across a wide range of operating conditions, from cold climates to high-temperature applications. Whether installed in a residential home s water supply line, a commercial building s fire sprinkler system, or an agricultural irrigation network, the Tyco DN-100 DPV-1 ensures operational integrity by dynamically balancing pressure and vacuum forces, thereby preventing costly system failures and maintaining peak performance. Built to meet stringent industry standards, including **NSF/ANSI 61 for drinking water safety** and **ASTM B687 for brass alloys**, this valve exemplifies Tyco s commitment to quality, innovation, and long-term reliability in fluid control solutions.

### Pros and Cons of buying a Tyco DN-100 DPV-1 Pipe Valve

1. **High Quality and Durability** The Tyco DN-100 DPV-1 is designed for industrial and commercial applications, featuring robust construction to withstand high pressure, temperature fluctuations, and corrosive environments. Its materials, such as brass or stainless steel components, ensure longevity.

2. **Pressure Relief Functionality** As a dual-purpose valve (DPV), it combines a check valve and a pressure relief valve in one unit. This prevents backflow and protects the system from excessive pressure buildup, reducing the risk of pipe bursts or equipment damage.

3. **Reliability in Critical Systems** Ideal for plumbing, HVAC, fire protection, and irrigation systems where consistent performance is essential. The integrated design minimizes potential failure points compared to separate check and relief valves.

4. **Easy Installation** Designed for straightforward installation with standard pipe threading (e.g., NPT or BSP). The compact size of the DN-100 (4-inch) model makes it suitable for spaces where multiple valves would otherwise be required.

5. **Cost-Effective Solution** Combining two functions into one valve reduces the need for additional hardware, lowering installation and maintenance costs over time.

6. **Wide Compatibility** Works with various pipe materials (copper, CPVC, PEX, steel) and is compatible with common plumbing systems, making it versatile for different applications.

7. **Regulatory Compliance** Tyco products often meet industry standards (e.g., ANSI, ASTM) and building codes, ensuring legal compliance in residential, commercial, and municipal projects.

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1. **Higher Upfront Cost** Compared to standard check valves or pressure relief valves, the DPV-1 is more expensive due to its dual functionality and industrial-grade construction. This may be a barrier for budget-conscious projects.

2. **Limited Customization** The valve is designed for general use and may not accommodate specialized applications requiring non-standard materials (e.g., exotic metals) or unique pressure/temperature ratings.

3. **Maintenance Requirements** Like all mechanical valves, the DPV-1 may require periodic inspection, lubrication (if applicable), or replacement of internal components (e.g., seals, springs) to maintain optimal performance. Corrosive environments could accelerate wear.

4. **Potential for Clogging** If debris enters the system, the valve s internal mechanisms (e.g., ball or flap in check valves) could become obstructed, reducing efficiency. Regular flushing or filtration upstream may be necessary.

5. **Pressure Drop Considerations** Dual-function valves can introduce slight pressure loss compared to single-function valves, though this is typically minimal for DN-100 sizes in most residential or light commercial applications.

6. **Installation Expertise Needed** While straightforward, improper installation (e.g., incorrect orientation, loose fittings) can compromise performance. Professional installation is recommended to avoid leaks or operational failures.

7. **Limited Availability of Spare Parts** Depending on the region, finding replacement parts for Tyco valves may be challenging compared to more universally available brands. Always verify availability before purchase.

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The Tyco DN-100 DPV-1 is a **highly functional and reliable valve** for applications requiring both check and pressure relief functions in a single unit. Its durability, safety features, and ease of installation make it a strong choice for industrial, commercial, and critical residential systems where reliability is paramount. However, the higher cost and potential maintenance needs may not justify its use in low-pressure or non-critical applications where simpler valves would suffice.

For **systems where backflow prevention and pressure protection are critical** (e.g., fire sprinklers, water distribution, or high-pressure plumbing), the DPV-1 is an excellent investment. For **cost-sensitive or low-risk applications**, a standard check valve or pressure relief valve might be more economical.

- You need a **single, integrated solution** for backflow and pressure relief in a DN-100 (4-inch) system.

- Your application involves **high-pressure or corrosive environments** where durability is essential.

- You prioritize **long-term reliability** and are willing to pay a premium for a dual-function valve.

- Your budget is tight, and you can use **separate check and relief valves** instead.

- The application is **low-pressure or non-critical**, where a simpler valve would suffice.

- You require **custom materials or non-standard specifications** not supported by the DPV-1.

Always verify compatibility with your specific system, consult installation guidelines, and consider professional installation to maximize performance and lifespan.

Details:

External reset provides simple procedure and eliminates priming water Unique offset, single-clapper design minimizes installation labor, valve size, weight Ductile iron construction ensures a lightweight to minimize shipping cost. DPV-1 Pre-trim Dry Pipe Valve External resetting differential valve Tyco model Valves are valves that automatically control the flow of water into dry pipe fire protection sprinkler systems. These valves also provide for actuation of fire alarms upon system operation.

part #: dn100 prices

• $237.00-$710.97

specifications valvesplumbing:

• brand: Tyco
• mpn: Dn-100
• part type: Pipe Valve

seller valvesplumbing:

• # reviews: 345
• city: Old Town, Maine
• rating: 100.0%

payments valvesplumbing:

• other
• wallet: Paypal
• credit card: Diners-club

general valvesplumbing:

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

shipping valvesplumbing:

• cost: $8.35
• carrier: USPS, FedEx, UPS
• class: Standard, Economy
• type: Calculated
• transit: 5-9 Days
• service: USPS Ground Advantage, FedEx Ground Economy, UPS Ground

returns valvesplumbing:

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

offer valvesplumbing:

• sold: 0
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock
• started: March 21, 2026

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