Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer
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Product Highlights
- Double Block & Bleed Design: Dual isolation plus bleed port ensures 100% pressure containment and zero leakage.
- Corrosion Resistant Materials: Constructed from SS316, Inconel 625, and Super Duplex for harsh chemical environments.
- Space and Cost Savings: Replaces two inline valves with one compact unit, saving 30%+ on installation costs.
- High Pressure Capability: Rated up to Class 2500 for demanding hydraulic systems and wellheads.
- Flexible Customization: Tailored specs available from samples, designs, or full customization requests.
- Versatile Connection Options: Available in ANSI flanged and NPT threaded sizes from 1/2 to 3 inches.
Product Attributes
- Customization
- Available
- Power
- Manual
- Connection Mode
- Internal Thread
- Model NO.
- monoflange 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
- 50.00cm * 50.00cm * 35.00cm
- Package Gross Weight
- 35.000kg
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 Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer
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Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer -
Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer
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Product Description
OEM Factory Monoflange Valve Dbb Instrument Manifold Single Block and Bleed Valve for Petroleum Industrial Pipeline
Instrument Types Stainless Steel 316 5 Way Manifolds Valve
Cost-Effective Alternative - Replaces two inline valves with one compact unit, saving 30%+ on installation costs & space
Leak-Proof Safety - Double isolation + bleed port for 100% pressure containment (API 6D certified)
Extreme Condition Ready - Engineered for petrochemical, oil/gas, LNG (-196°C to 550°C)
Dual Versions Available:
-
Trunnion Mount (for high-pressure Class 150-2500)
-
Floating Design (standard applications)
Key Features:
-
Materials: Inconel 625/SS316/Super Duplex (corrosion-resistant)
-
Sizes: 1/2" to 3" (ANSI flanged/NPT threaded)
-
Fire-Safe Design: Meets API 607/6FA standards
-
Bleed Port: Visual pressure relief & system drainage
Critical Applications:
Oil & Gas Pipelines - Prevent fugitive emissions
Petrochemical Plants - Handle corrosive fluids safely
LNG Cryogenic Systems - Reliable low-temperature performance
Power Generation - Steam & high-pressure control
Zero-Leak Guarantee - Dual seals + bleed valve for maintenance safety
50% Lighter vs traditional dual-valve setups
OEM Customization - Tailored specs for your project
|
Technical specifications for main part
|
|
|
*Valve name
|
Double block and bleed mono flange DBB SBB valve |
|
*Nominal diameter
|
DN 15~2500mm
|
|
*Nominal pressure
|
PN 10,PN16,PN25,PN40,PN63/Class150/class600/Class900
|
|
*Working temperature
|
-29~425ºC
|
|
*Suitable medium
|
Water,Vapor,Oil
|
|
*Standard
|
ASTM/ANSI
|
| Application | Use Case |
|---|---|
| Cryogenic Service | LNG, liquid nitrogen, and other ultra-low-temperature fluids |
| Low Temperature | Refrigeration systems, cold storage, and cryogenic transport |
| Ambient Temp. | Standard process lines, water, and neutral fluids |
| High Temperature | Steam, hot oil, and high-heat industrial processes |
| Corrosive Fluids | Acids, alkalis, and aggressive chemicals (compatible with super alloys) |
| High Pressure | Hydraulic systems, wellheads, and high-PSI pipelines (up to Class 2500) |
| Line Sampling | Safe extraction of process fluids for testing |
| Fluid Injection | Chemical dosing, additive injection, and precision fluid control |
Why Choose This Valve?
Double Block & Bleed (DBB) - Zero leakage, enhanced safety for maintenance & isolation
High-Pressure Rated - Handles up to Class 2500 for demanding industrial uses
Multi-Material Options - Resists corrosion, extreme temps, and harsh chemicals
Versatile Connections - Flanged & threaded options for easy integration
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 materials are used for the valve body?
- Materials include Stainless Steel 316, Inconel 625, and Super Duplex for corrosion resistance.
- What is the maximum pressure rating?
- It handles high pressure up to Class 2500 for demanding industrial uses.
- Can the valve be customized?
- Yes, we offer full customization, minor customization, and options based on samples or designs.
- What are the available connection types?
- We provide flanged and threaded options, including ANSI flanged and NPT threaded sizes.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What is the lead time for delivery?
- Peak season lead time is within 15 workdays, while off-season is one month.
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- Best Price SS316 Dbb Monoflange Valve 150lb 1/2"Fnpt - Double Block Bleed Valve Manufacturer
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