High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure
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Product Highlights
- Adjustable Cracking Pressure: Factory-set or field-adjustable to accommodate changing operating requirements.
- High-Pressure Capacity: Max working pressure up to 6000 psig (414 bar) for RV2 series.
- Durable Material: Constructed from high-quality 316 Stainless Steel for corrosion resistance.
- Compact Design: Space-saving body ideal for installation in tight industrial spaces.
- External Adjustment: Easily tune cracking pressure without disassembling the valve.
- Factory Tested: 100% tested for crack and reseal performance with locked settings.
- Flexible Customization: Offers flexible, minor, and full customization options from designs or samples.
Product Attributes
- Customization
- Available
- Media
- Gas
- Standard
- ASTM
- Model NO.
- Relief valve
- Certification
- CE
- Temperature
- Ordinary Temperature
- Connection
- Thread
- Pressure
- Non-Ajustable
- Closed
- Semi-Closed
- Structure
- Spring
- Material
- Stainless Steel
- Max Working Pressure
- 300psi /6000psi
- Operating Temperature
- -23 -204c
- Inlet
- Male NPT
- Outlet
- Female NPT
- MOQ
- 2PCS
- Delivery
- in Stock
- Transport Package
- Carton
- Specification
- 1/4"
- Trademark
- Nai Lok
- Origin
- China
- Production Capacity
- 1000000pieces/Years
- Package Size
- 50.00cm * 50.00cm * 30.00cm
- Package Gross Weight
- 20.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure
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High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure -
High Pressure Manual Safety Valve Stainless Steel 316 Gas Relief Valve for Oil and Gas Standard Control Structure
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Product Description
NAI-LOK® RV Series Proportional Relief Valves - Reliable Overpressure Protection
NAI-LOK® RV Series proportional relief valves provide simple, reliable overpressure protection for industrial applications. Designed to open gradually as pressure increases, these valves help protect workers and maintain proper process conditions.The set pressure can be configured at the factory or easily adjusted in the field to accommodate changing operating requirements. Each valve is factory-set, tested, locked, and tagged with its specified pressure setting for guaranteed performance.
Key Features
Proportional Relief Design - Smooth pressure control with gradual opening
Space-Saving Design - Compact body ideal for installation in tight spaces.
Externally Adjustable Cracking Pressure - Easy tuning without disassembly.
Factory-Tested Reliability - 100% tested for crack and reseal performance.
Wide Temperature Range - Operates from -10°F to 400°F (-23°C to 204°C).
Secure Pressure Setting - Lock wire ensures settings remain intact.
Versatile End Connections - Compatible with tube fittings or male/female threading.
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Nai Lok Stainless Steel 316 Instrument Safety Relief Valve Compression Tube End Fittings 1/4 Double Ferrule Mnpt Relief Valves
Technical Specifications
-
Orifice Size: 4.8 mm (0.19 in)
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Cracking Pressure: Adjustable (affected by outlet pressure)
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Material: High-quality construction for durability
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Testing: Full factory validation for crack and reseal performance
| Product Name | RV Series Relief Valve |
| Cracking Pressure Range | RV1:15-225 psig / 1-155 bar to atmosphere RV2: 225-6000 psig /16-414 bar to atmosphere |
| Max working pressure | RV1: 500 psig /35 bar RV2: 6000 sig/414 bar |
| Spring Types | Blue:15-225 psig /1-15.5 bar Yellow.225-750 psig/15.5-51.5 bar Purple:750-1500 psig /51.5-104 bar |
| RV1 | N | 4 | S | ||||
| Basic Series | End Connection | Size | Cracking pressure | Material | |||
| RV1 RV2 |
N-NAI-LOK F-Female NPT M-Male NPT |
4-1/4in. 6-3/8 in. 8-1/2 in. |
L-15-225psi(2.5-15.5bar) A-220-350psi(15.1-24bar) B-350-750psi(24-51.6bar) C-750-1500psi(51.6-103bar) D-1500-2250psi(103-155bar) E-2250-3000psi(155-206bar) F-3000-4000psi(206-275bar) G-4000-5000psi(275-344bar) H-5000-6000psi(344-413bar) |
S-316 Stainless steel | |||
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Hydraulic systems / Pneumatic controls /Process instrumentation /Industrial machinery
Precision Engineering - Ensures consistent pressure management.
Durable & Reliable - Built for demanding environments.
Easy Installation & Maintenance - User-friendly design.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI264759". Items marked "
" are certified.
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Company Profile
Established in 2000, NAI-LOK has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of instrumentation valves and alloy valves. We have more than 20 years of precision valve manufacturing and 10 years of export experience.
Our strict control and management of the entire production process enables us to provide products that meet our customers' requirements for product safety, functionality and design at competitive prices, while ensuring the shortest lead times in the market.
We have the capability to manufacture and supply 4 different product categories, including:
1. General Instrumentation Valves and Fittings
2. High Purity & Ultra High Purity Products- NAI-LOK UHP PRODUCTS, Regulator, Bellows Valve, 3 PC high purity ball valve, Diaphragm Valve, Weld Fitting, Face seal Fitting, Gas Stick.
3. Hose & Tubing
4. Special Alloy Valves, fitting and tubings. Including material S31254 (6 Moly), Alloy 400, HC-276, C22, B3, Alloy 625, Duplex steel 2205 /2507 etc.
We hope there will be opportunities for cooperation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 397 Damuqiao Road, Shaxi Town, Taicang City, Suzhou, Jiangsu, China
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
Our Production Capability & Technical Expertise
- Main Products
- Gas Delivery System, Ball Valve, Pressure Regulator, Alloy Valve, 2/3/5 Valve Manifold, Instrumentation Ball Valves, Sample Cylinder, Pipe & Tube Fittings, Needle Valve, Hose & Tubing
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001
FAQ
- What is the maximum working pressure?
- The RV2 series supports a maximum working pressure of 6000 psig (414 bar).
- Can the pressure setting be adjusted?
- Yes, the set pressure can be configured at the factory or easily adjusted in the field.
- What materials are used for the valve?
- The valve is made of high-quality 316 Stainless Steel for durability and corrosion resistance.
- Is customization available?
- Yes, we offer flexible, minor, and full customization options based on designs or samples.
- What are the available end connections?
- Compatible with tube fittings or male/female NPT threading.
- How is the valve tested before shipping?
- Each valve is factory-set, tested, locked, and tagged for guaranteed crack and reseal performance.
- What is the minimum order quantity?
- The MOQ is 2 pieces.
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