Petersen 140-030-4S 30 Dia Mechanical Pipe Protector Night Cap, Spigot End, SDR 35
- Part #:140-030-4S
- Model #:140 Series
- Condition:Brand New

Overview
This robust pipe protection solution, the Petersen 140-030-4S 30 Dia Mechanical Pipe Protector Night Cap, is specifically engineered to safeguard the open ends of 30-inch SDR 35 spigot-end pipes during storage, transport, and overnight on job sites. It effectively solves the critical problem of preventing debris, moisture, animal intrusion, and damage to the pipe's interior and sealing surfaces, which can lead to costly delays, material waste, and compromise the integrity of pipeline installations. By providing a secure and durable seal, this night cap ensures that your valuable pipe investments remain clean and undamaged until installation, preserving their quality and reducing the need for extensive pre-installation cleaning or costly repairs. It is an indispensable tool for pipeline contractors, municipal water and wastewater departments, and construction professionals working with large-diameter PVC and other SDR 35 pipes.
Key Features
- Secure Mechanical Seal: Provides a tight, reliable seal on 30-inch SDR 35 spigot-end pipes, preventing contamination.
- Durable Polyethylene Construction: Built from high-density polyethylene for superior resistance to impact, weather, and chemicals.
- Natural Rubber Seal: Features a robust natural rubber seal for enhanced sealing performance and longevity.
- Easy Installation and Removal: Designed for quick and efficient deployment and removal, saving valuable labor time on site.
- UV and Weather Resistant: Engineered to withstand harsh outdoor conditions, ensuring long-term protection.
Specifications
Manufacturer: Petersen
Model: 140-030-4S
Nominal Pipe Size: 30" (762mm)
Pipe Type Compatibility: SDR 35
Pipe End Type: Spigot
Actual Diameter: 28.15" (715mm)
Material, Body: Polyethylene
Material, Seal: Natural Rubber
Style: End of Pipe Plug / Night Cap
Maximum Service Temperature: 120°F (48.89°C)
Country of Origin: USA
Shipping Weight: 18 Lb (8.16 Kg)
Applications
Ideal for pipeline contractors, civil engineers, and utility workers involved in municipal water, wastewater, and drainage projects utilizing SDR 35 piping. This mechanical pipe protector is essential for securing exposed pipe ends during overnight pauses in construction, long-term storage in laydown yards, and transportation to and from job sites. It ensures that the interior of the pipe remains free from dirt, dust, sand, small animals, and construction debris, which are critical for maintaining system integrity and compliance with engineering standards.
Performance and Characteristics
The Petersen 140-030-4S Night Cap delivers exceptional performance in protecting large-diameter SDR 35 spigot pipes. Its robust polyethylene body resists impacts and abrasions commonly encountered in construction environments, while the natural rubber seal provides a reliable, watertight barrier against moisture and contaminants. This mechanical plug maintains a secure grip on the pipe end even under vibrations during transport or high winds on site, ensuring continuous protection. Its design facilitates rapid deployment and removal, significantly reducing labor time compared to makeshift sealing solutions, thereby enhancing overall project efficiency and safety.
Additional Information
Manufactured in the USA, the Petersen 140-030-4S reflects a commitment to quality and durability in pipe protection. The high-grade polyethylene material is resistant to common construction chemicals and UV degradation, ensuring a long service life even with repeated outdoor exposure. This pipe protector is a vital component for maintaining the cleanliness and integrity of sensitive pipe systems prior to installation, thereby minimizing the risk of costly post-installation issues related to contamination or damage.
Ensure the integrity of your pipeline projects. Protect your valuable pipe investments with the Petersen 140-030-4S 30 Dia Mechanical Pipe Protector Night Cap today!
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| Country of Origin | USA |
| Diameter | 28.15" (715mm) |
| Material, Body | Polyethylene |
| Material, Seal | Natural Rubber |
| Nominal Pipe | 30" (762mm) |
| Pipe End | Spigot |
| Pipe Type | SDR 35 |
| Sage Subcategory Number | W140 |
| Shipping Wt. | 18 Lb (8.16 Kg) |
| Style | End of Pipe Plug |
| Temperature Max. Service F | 120 F (48.89 C) |
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