Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas
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Product Highlights
- Inconel 625 Material: Superior corrosion resistance, high strength, and thermal stability for extreme environments.
- Double Block and Bleed: Two independent sealing barriers plus bleed port for safe isolation and depressurization.
- Compact Monoflange Design: Reduces leakage points, lighter weight, and easier installation compared to traditional flanges.
- High Pressure Rating: Supports up to 10,000 psi (690 bar) with ASME Class 1500 to 4500+ ratings.
- Flexible Customization: Options for threaded, socket weld, or flanged connections; NACE MR0175 compliant.
- 100% Factory Tested: Every unit undergoes visual and function inspection to ensure quality and reliability.
- Cost-Effective Solution: Reduces installation time, lifecycle maintenance costs, and improves system layout.
Product Attributes
- Customization
- Available
- Power
- Manual
- Connection Mode
- Internal Thread
- Model NO.
- Monoflange Block and Bleed Needle Valve
- Material
- Stainless Steel
- Pressure
- High Pressure
- Standard
- Standard
- Media
- Oil, Gas, Water,Acid
- Media Temperature
- High Temperature
- Valve Pressure
- High Pressure 3500psi
- Industrial
- Oil and Gas Industrial
- Body
- SS316/ Alloy Valve Manifolds
- Delivery
- Fast Delivery
- Transport Package
- Wooden Case
- Specification
- 1/2"-1"
- Trademark
- NAI LOK
- Origin
- China
- Production Capacity
- 10000
- Package Size
- 20.00cm * 10.00cm * 5.00cm
- Package Gross Weight
- 5.000kg
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 Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas
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Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas -
Nai Lok Alloy 625 High Pressure 6000psi Monoflange One Piece Design Instrument Manifolds Double Block and Bleed Needle Valves for Oil and Gas
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Product Description
The Inconel ® 625 Monoflange Double Block and Bleed (DBB) Valve is a compact, high-performance manifold assembly designed for isolation, venting, and pressure monitoring in extreme environments. Crafted from Inconel® 625 (UNS N06625), this valve offers exceptional corrosion resistance, high strength, and thermal stability, making it ideal for oil & gas, chemical processing, aerospace, and subsea applications.
Key Features
Material Excellence: Inconel® 625 construction for superior resistance to pitting, crevice corrosion, and oxidation.
Double Block and Bleed (DBB): Two independent sealing barriers + bleed port for safe isolation and depressurization.
Compact Monoflange Design: Reduced leakage points, lighter weight, and easier installation vs. traditional flange systems.
High-Pressure Rating: Suitable for ASME Class 1500 to 4500+ and extreme temperatures (-200°C to +1000°C).
Customizable Configurations: Options for threaded, socket weld, or flanged connections; NACE MR0175 compliant.
Instrument Types Stainless Steel 316 5 Way Manifolds Valve
Product Description:
1.Press up to 10000psig (414bar) for standard stainless steel body
2.Temperature for PTFE packing from -65°F to 450°F (-54°C to 232°C)
Temperature for Grafoil packing from -65°F to 1200°F (-54°C to 649°C)
3.Packing below stem thread isolates the thread lubricant from the media
4.Back seating design protects the packing in fully open position
5.Non-rotating stem tip
6.100% factory tested
Technical Specifications
| Parameter | Details |
|---|---|
| Material | Body/Trim: Inconel® 625 (UNS N06625) |
| Design Standard | ASME B16.34, ISO 17292 |
| Pressure Rating | Up to 10,000 psi (690 bar) |
| Temperature Range | -200°C to +1000°C (-328°F to +1832°F) |
| Connection Types | NPT, BSPP, SW, RF Flanges (ANSI/ASME/DIN/JIS) |
| Sealing Technology | Metal-to-metal seals, graphite/gasket options |
| Applications | Offshore platforms, chemical injection, sour gas, cryogenic systems |
Advantages Over Traditional Valves
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Safety: DBB design ensures zero leakage during maintenance or failure.
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Space-Saving: Monoflange integration eliminates multiple pipe fittings.
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Cost-Effective: Reduced installation time and lifecycle maintenance costs.
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Durability: Inconel® 625 resists chloride stress corrosion cracking (SCC) and sour service (H2S).
Applications
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Oil & Gas: Wellhead controls, Christmas tree manifolds, pipeline isolation.
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Chemical Processing: Acid handling, high-purity fluid systems.
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Power Generation: Nuclear, supercritical CO systems.
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Aerospace: Hydraulic and fuel systems.
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 pressure rating?
- The valve supports pressures up to 10,000 psi (690 bar), suitable for ASME Class 1500 to 4500+ applications.
- What connection types are available?
- Available connection types include NPT, BSPP, Socket Weld (SW), and RF Flanges (ANSI/ASME/DIN/JIS).
- Is customization available for this product?
- Yes, we offer flexible customization including options for connections, NACE MR0175 compliance, and full customization from samples or designs.
- What is the Minimum Order Quantity (MOQ)?
- The Minimum Order Quantity is 1 piece.
- What are the payment terms?
- We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.
- What is the average lead time for delivery?
- Peak season lead time is within 15 workdays, while off-season lead time is approximately one month.
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