Adjustable Pressure Relief Valve 1/4 Inch 6000 Psi for Laboratory Gas
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Product Highlights
- High Pressure Capacity: Supports up to 6000 psi working pressure for ultra-high pressure applications.
- Adjustable Cracking Pressure: Extremely adjustable cracking pressure with lock wire capability to maintain settings.
- Premium Material: Constructed from 316 Stainless Steel for durability and corrosion resistance.
- Flexible Customization: Offers full customization, minor customization, and OEM services with low MOQ.
- Compact Design: Compact body designed for easy installation in small spaces.
- Quality Assurance: 100% inspection of finished products including visual and function checks.
- Fast Lead Time: Shortest lead times in the market, within 15 workdays during peak season.
Product Attributes
- Customization
- Available
- Media
- Oil Gas
- Material
- Stainless Steel
- Model NO.
- Adjustable Relief Valve
- Connection Form
- Thread Od
- Driving Mode
- Manual
- Channel
- Angle /Straight/ 3 Way
- Structure
- Relief Valve
- Type
- Relief Valve
- Temperature
- High Temperature
- Standard
- ASTM
- Application
- Industrial Usage, Pipeline
- MOQ
- 1 PCS
- Payment
- T/T,Paypal
- Brand
- Nailok /OEM
- OEM Qty
- 100 PCS
- Transport Package
- Carton
- Specification
- 50x40x30
- Trademark
- Nai-Lok /OEM
- Origin
- China
- HS Code
- 8481804090
- Package Size
- 25.00cm * 25.00cm * 25.00cm
- Package Gross Weight
- 3.000kg
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.
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Product Description
Stainless Steel Ball Valves 1 PC NO LEAKAGE

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 industrial 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. Hose & Tubing
3. Special Alloy Valves
Features:
-
Compact body, for installation in small space
Operating temperature range:- 10°F to 400 (-23ºC to 204ºC)
Cracking pressure, adjustable extemaily
Orifice size:4.8mm(0. 19in)
Lock wire capability ,to maintain pressure relief setting
Cracking pressure: is affected by the outlet pressure
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
Technical Date:
| Body Material: | 316 Stainless Steel |
| Port Type: | Male NPT/ NAI LOK |
| Size : | 1/4 in. 3/8 in. 1/2 in |
| Cracking pressure: | RV1: 15-225psig / 1- 15.5bar to atmosphere RV2: 220- 6000psig/ 15.5-413bar to atmospmere |
| Working Pressure: | RV1:300 psig /21 bar RV2:6000 psig /414 bar |
| Series | RV Series |













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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.
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 valve supports a working pressure of up to 6000 psi (414 bar) for the RV2 series.
- Is the cracking pressure adjustable?
- Yes, the cracking pressure is extremely adjustable and includes lock wire capability to maintain the pressure relief setting.
- What material is the valve body made of?
- The body material is 316 Stainless Steel, ensuring high durability and resistance to corrosion.
- What is the minimum order quantity (MOQ)?
- The MOQ is 1 piece. For OEM services, the quantity requirement is 100 pieces.
- What are the available connection sizes?
- Available sizes include 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch.
- What payment terms are accepted?
- We accept T/T, PayPal, LC, and other standard international commercial terms.
- Can I get OEM or custom services?
- Yes, we offer full customization, minor customization, flexible customization, and OEM services based on samples or designs.
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