Contact Platform Support
Help CenterMarine External Thread Safety Valve CB3022-1994 1/2 Inch NPT Port
Product Spotlights
Related Products
-
Marine External Thread Air Valve CB3022-1994 Brass Construction & Mill TestNegotiableMOQ: 20 Units -
CB3022-1994 Marine Air Signal Safety Valve With External Thread for Ship Pneumatic SystemsNegotiableMOQ: 20 Units
-
CB3022-1994 Standard Compliant Marine Air Signal Valve With External ThreadNegotiableMOQ: 20 Units
-
R/Y Type Ship Compressed Air Signal Relief Valve 0.1~3.5MPa Adjustable Set PressureNegotiableMOQ: 20 Units
-
Marine External Thread Air Signal Valve CB3022-1994 Technical Support IncludedNegotiableMOQ: 20 Units
As a specialized manufacturer with a strong export presence, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to offer the Marine External Thread Safety Valve CB3022-1994. Engineered for critical pressure management in demanding maritime environments, this valve represents our commitment to reliability and safety. Designed to meet the specific CB3022-1994 standard, it ensures compliance and performance for shipbuilding and marine system applications worldwide. With our ISO9001-certified manufacturing processes, we deliver products that marine engineers and procurement specialists can trust for their essential pressure protection needs.
This safety valve is a precision-engineered component crucial for preventing overpressure scenarios in various marine systems. Its core function is to automatically release excess pressure, thereby safeguarding equipment, pipelines, and personnel.
- CB3022-1994 Standard Compliance: Manufactured in strict accordance with the Chinese shipbuilding standard CB3022-1994, ensuring it meets the rigorous requirements for materials, design, pressure rating, and performance mandated for marine applications.
- 1/2 Inch NPT External Thread Port: Features a standard 1/2 Inch National Pipe Taper (NPT) external thread connection. This provides a secure, leak-resistant seal with compatible piping systems, simplifying installation and maintenance.
- Robust Construction for Marine Use: Constructed from materials selected for corrosion resistance and durability in saltwater atmospheres. Common options include naval brass or stainless steel, offering longevity against harsh marine conditions.
- Reliable Spring-Loaded Mechanism: Utilizes a calibrated spring mechanism to provide accurate and repeatable pressure relief. The valve opens precisely at the set pressure and reseats tightly once system pressure returns to a safe level.
- Critical Safety Function: Acts as the last line of defense against dangerous pressure build-ups in systems such as fuel lines, bilge systems, tank vents, compressed air systems, and auxiliary machinery on vessels.
Beyond its primary safety role, this valve offers significant operational benefits. Its reliable performance minimizes the risk of costly system downtime, equipment damage, and potential safety incidents. The standardized NPT port ensures compatibility with a wide range of existing marine piping, reducing the need for special adapters. Furthermore, its design prioritizes serviceability, allowing for easier inspection, testing, and part replacement as part of routine vessel maintenance schedules.
Typical technical specifications for this valve family are outlined below. Please note that specific pressure settings and material grades are customizable based on your project requirements.
| Parameter | Specification / Description |
| Product Standard | CB3022-1994 (Marine Industry Standard) |
| Connection Type | External Thread, NPT (National Pipe Taper) |
| Port Size | 1/2 Inch NPT |
| Primary Application | Marine & Shipbuilding Systems (Pressure Relief) |
| Common Body Materials | Brass, Stainless Steel (Grade customizable) |
| Spring Material | Stainless Steel (for corrosion resistance) |
| Seat Material | PTFE, Metal (depending on media & pressure) |
| Pressure Setting Range | Customizable (e.g., 10 PSI to 150 PSI typical) |
| Temperature Range | Suitable for standard marine operating temperatures |
| Operation Type | Spring-loaded, Direct-acting |
The advantages of choosing our Marine Safety Valve extend throughout the lifecycle of your vessel or system. You gain a certified component that meets industry standards, reducing regulatory approval hurdles. The durable construction translates to lower lifetime costs through reduced failure rates and maintenance needs. Ultimately, integrating this valve enhances the overall safety integrity and operational reliability of your marine applications.
Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind this product with the credibility of an established manufacturer. Since our founding in 2016, we have built a robust export business, shipping US$1 Million to US$1.5 Million worth of valves annually to global markets including North America, South America, Europe, Asia, Africa, and Oceania. Our ISO9001 certification is a testament to our consistent quality management system. We support this global reach with efficient logistics from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This Marine External Thread Safety Valve embodies our expertise in serving the international marine industry. For a reliable, standards-compliant solution for your pressure relief needs, contact us for detailed specifications, pricing, and customization options.
Frequently Asked Questions (FAQ)
-
Q: Is this valve suitable for use with seawater directly?
A: The suitability depends on the specific material specification. While the standard materials offer good corrosion resistance, for direct seawater service, we typically recommend specifying a higher-grade stainless steel (like 316SS) for the body and internal parts. Please consult with our engineers for your specific media. -
Q: Can the pressure relief setting be adjusted in the field?
A: Most standard models based on CB3022-1994 are factory-set to a specified pressure and are not field-adjustable. This ensures the setting remains tamper-proof and reliable. We can manufacture valves to your exact required set pressure. -
Q: What is the difference between NPT and BSPP thread standards?
A: NPT (National Pipe Taper) threads are tapered and seal through thread interference, often with sealant. BSPP (British Standard Pipe Parallel) are parallel threads that typically seal using a washer or O-ring. This valve has an NPT external thread, so it requires mating with an NPT internal threaded port. -
Q: Do you provide testing certificates with the valve?
A> Yes, we can provide routine test reports, such as a pressure setting test certificate, as per customer request. This is a common requirement in marine procurement to verify the valve opens at the specified pressure. -
Q: What is the lead time for an order of these valves?
A: Lead time varies based on order quantity, customization (material, pressure setting), and current production schedule. For standard configurations, typical lead times range from 4-8 weeks. We provide a firm timeline upon receipt of your detailed inquiry. -
Q: Are other port sizes available besides 1/2 inch NPT?
A: Absolutely. While 1/2" NPT is a common size, we manufacture safety valves compliant with CB3022-1994 in a range of port sizes, such as 1/4", 3/8", 3/4", and 1" NPT. Please specify your required connection. -
Q: How does the CB3022-1994 standard compare to other marine standards like ABS or DNV?
A: CB3022-1994 is a Chinese national standard specifically for shipbuilding. It is widely recognized and accepted. For projects requiring certification from classification societies like ABS, DNV, LR, etc., the valves can often be supplied with the necessary additional survey and documentation, subject to specific requirements and fees. -
Q: What maintenance is recommended for this safety valve?
A: Regular inspection and testing are crucial. We recommend periodic operational checks (as per vessel's planned maintenance system) to ensure it lifts at the set pressure. It should also be inspected for signs of corrosion, leakage, or damage. The valve may need to be bench-tested and recalibrated at specified intervals.
Send Inquiry to This Supplier
You May Also Like
-
Marine External Thread Air Signal Safety Valve CB3022-1994 Brass BodyNegotiableMOQ: 20 Units
-
Marine Flange Cast Iron Angle Safety Valve CB304-1977 for Steam ApplicationsNegotiableMOQ: 20 Units
-
CB304-1977 Standard Marine Flange Cast Iron Angle Safety ValveNegotiableMOQ: 20 Units
-
Cast Iron Marine Angle Safety Valve CB304-1977 With Extended WarrantyNegotiableMOQ: 20 Units
-
CB304-1977 Compliant Cast Iron Angle Safety Valve With Marine FlangeNegotiableMOQ: 20 Units
-
Marine Cast Iron Angle Safety Valve With Flange Connection CB304-1977 StandardNegotiableMOQ: 20 Units
-
CB304-1977 Marine Cast Iron Angle Safety Valve With Flange and Mill Test ReportNegotiableMOQ: 20 Units
-
CB304-1977 Marine Grade Cast Iron Angle Safety Valve With Flange ConnectionNegotiableMOQ: 20 Units
-
Cast Iron Angle Safety Valve for Marine Systems CB304-1977 Flange TypeNegotiableMOQ: 20 Units
-
Marine System Cast Iron Angle Safety Valve Flange Type CB304-1977NegotiableMOQ: 20 Units
