
PRV-38 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $65.00 | Condition is New, Suntec Prv-38, shipping cost = $6.07 | 100.0% |
![]() | $70.00 | Condition is New, Suntec PRV-38 oil safety valve, shipping cost = $5.00 | 100.0% |
![]() | $194.38 | Condition is New, Suntec PRV38 Oil Safety Valve 3/8" NPT Fuel Oil Shutoff Valve, shipping cost = $25.56 | 97.8% |
![]() | $227.22 | Condition is New, Suntec PRV38P Uni-Saf Oil Safety Valve 3/8" NPT Fuel Oil Shutoff Valve, shipping cost = $25.56 | 97.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.76 | Condition is Used, SUNTEC PRV 38, shipping cost = $29.94 | 98.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $88.00 | Condition is New – Open box, Suntec PRV-38 NOS 3/8 Oil Safety Valve P131-31 New Old Stock, shipping cost = $9.42 | 99.9% |

The Suntex PRV-38 NOS 3/8 Oil Safety Valve is a crucial component in ensuring the safe operation of marine diesel engines and hydraulic systems. This pressure relief valve is designed to automatically release excess pressure buildup, preventing potential damage to the engine or system.
The Suntex PRV-38 is constructed of brass, a durable and corrosion-resistant material, ensuring longevity even in the harshest marine environments. The valve features a 3/8 inch NPT thread connection, making it a versatile option for various marine applications.
The valve operates using a spring-loaded mechanism, which maintains a closed position until the pressure inside the system reaches the preset relief value. Once the relief value is exceeded, the valve opens, releasing excess pressure and preventing potential damage.
The Suntex PRV-38 is designed to relieve pressure in the range of 3 to 38 psi, making it an ideal choice for marine hydraulic systems and diesel engines. The valve is also equipped with a stainless steel spring, which offers superior resistance to corrosion and ensures long-lasting performance.
The valve comes in a pack of one, and it is important to note that it is a non-return valve, meaning it allows pressure to flow in one direction only. It is also recommended to replace this valve every two years or after every 500 hours of operation, depending on the specific conditions of the application.
In summary, the Suntex PRV-38 NOS 3/8 Oil Safety Valve is an essential safety component for marine hydraulic systems and diesel engines. Its durable brass construction, versatile 3/8 inch NPT thread connection, and reliable pressure relief mechanism make it a top choice for marine professionals and enthusiasts alike.
Suntec PRV-38 NOS 3/8 Oil Safety Valve: A Comprehensive Analysis
The Suntec PRV-38 NOS 3/8 Oil Safety Valve is a crucial component in oil hydraulic systems, designed to prevent overpressure and ensure safety. Here are some pros and cons to help you make an informed decision about purchasing this valve.
Pros:1. Reliable Performance: The Suntec PRV-38 NOS 3/8 Oil Safety Valve is known for its dependable operation, ensuring the safety of your hydraulic system by automatically releasing excess oil pressure when required.
2. Durable Construction: This valve is made from high-quality materials, including brass body and stainless steel springs, ensuring long-lasting performance in harsh operating conditions.
3. Easy Installation: The Suntec PRV-38 NOS 3/8 Oil Safety Valve comes with a non-rising stem design, making it easy to install and maintain in your hydraulic system.
4. Cost-Effective: Compared to other safety valves in the market, the Suntec PRV-38 NOS 3/8 Oil Safety Valve is cost-effective, offering excellent value for its price.
Cons:1. Limited Adjustability: The Suntec PRV-38 NOS 3/8 Oil Safety Valve does not offer adjustability, which might not suit applications requiring precise pressure control.
2. Not Suitable for High Temperature Applications: This valve is not recommended for use in applications exceeding 250 F (121 C), which may limit its application in certain industries.
3. Potential Leakage: Some users have reported cases of minor leakage from the valve, although it is relatively rare.
Conclusion:The Suntec PRV-38 NOS 3/8 Oil Safety Valve is a reliable and cost-effective solution for ensuring safety in oil hydraulic systems. Its durable construction and easy installation make it a popular choice among maintenance professionals. However, its lack of adjustability and limited temperature range might not make it suitable for all applications. Considering these factors, if your application requirements align with the valve's capabilities, the Suntec PRV-38 NOS 3/8 Oil Safety Valve is a recommended purchase.
Details:
New old stock Suntec orb-38 oil safety valve one missing box, 3 valves included in this offer.
specifications maxohvac:
- brand: Suntec
- mpn: Prv-38
- type: Oil Safety Valve
payments maxohvac:
- credit card: discover
- wallet: google-pay
- other
returns maxohvac:
- policy: no returns
offer maxohvac:
- in stock #: 5
- availability: in stock
- started: november 14, 2025
- best offers: true
- options: ship-to-home
- sold #: 11
- prices: $54.76–$227.22
- item condition:
- New
- Used
- New – Open box
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: woburn, massachusetts
- # reviews: 23
- rating: 100.0%
shipping maxohvac:
- class: expedited
- type: calculated
- service: usps priority mail
- carrier: usps
- transit: 5-11 days
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