Stainless Steel Lift Check Valve
Our stainless steel lift check valves are designed to prevent backflow in pipeline systems, ensuring one-way fluid flow with reliable sealing and stable performance.Made of premium 304/316 stainless steel, these valves feature a precision-machined lift plug and PTFE/metal seat, achieving zero leakage in both horizontal and vertical pipeline installations.The lift-type structure allows the valve disc to rise automatically with fluid pressure and close tightly under backflow, effectively protecting pumps, meters and downstream equipment from damage.With a compact design and full bore structure, the valve minimizes flow resistance and pressure loss, ensuring smooth fluid transmission.Our lift check valves are widely used in water treatment, oil & gas, chemical, HVAC, food & beverage and pharmaceutical industries, meeting international standards such as API, ANSI, DIN and GB.We support customized specifications, materials, pressure ratings and connection types to meet your unique project requirements, with strict quality inspection and fast delivery.
Product Parameter
|
Item |
Specification |
|
Product Name |
Stainless Steel Lift Check Valve |
|
Nominal Diameter |
DN15-DN200 (1/2"-8") |
|
Pressure Rating |
PN16, PN25, PN40, Class150, Class300 |
|
Body Material |
Stainless Steel 304, 316, 316L, CF8, CF8M |
|
Disc/Plug Material |
Stainless Steel 304/316 |
|
Seat Material |
PTFE, RPTFE, EPDM, NBR, Metal Seat |
|
Connection Type |
Threaded (NPT/BSP/BSPT), Flanged (RF/FF), Socket Weld |
|
End Standard |
ANSI B16.5, DIN 2501, GB/T 9113, ANSI B1.20.1 |
|
Working Temperature |
-29℃~+180℃ (PTFE), -40℃~+200℃ (RPTFE), -196℃~+450℃ (Metal Seat) |
|
Application Medium |
Water, Oil, Gas, Acid, Alkali, Steam, Sanitary Fluid |
|
Test Standard |
API 598, GB/T 13927, EN 12266 |
|
Structure Type |
Lift Type (Vertical/Horizontal Installation) |
|
Fire Safe Design |
Optional API 607 |
Product feature and application
Core Features
- Reliable Backflow Prevention: Precision lift plug structure, automatically closes under backflow, 100% bubble-tight sealing
- Corrosion Resistance: 304/316 stainless steel body, suitable for corrosive and sanitary environments
- Low Flow Resistance: Full bore design, minimizes pressure loss, ensures smooth fluid transmission
- Wide Installation Compatibility: Suitable for both horizontal and vertical pipelines (vertical installation requires upward flow direction)
- Stable Performance: Anti-jamming design, long service life, low maintenance cost
- Customizable Options: Multiple connection types, materials and pressure ratings for different working conditions
- International Standard Compliance: Meets API, ANSI, DIN, GB standards, with complete certification support
Wide Applications
- Water supply, drainage and sewage treatment systems
- Oil, natural gas and petrochemical pipeline systems
- Chemical, pharmaceutical and fine chemical process pipelines
- HVAC and building water supply systems
- Food, beverage and sanitary fluid pipelines
- Power plant, boiler and steam pipeline systems
- Marine, offshore and ship pipeline systems
- Industrial pump and meter protection systems
Product details
- Material Inspection: 100% raw material incoming inspection, with material certificate for each batch
- Precision Machining: CNC machining for valve body, lift plug and seat, ensuring dimensional accuracy and sealing performance
- Seal Performance Test: 100% pressure test (shell test, seat test) before delivery, ensuring zero leakage
- Surface Treatment: Passivation treatment for stainless steel, enhancing corrosion resistance
- Assembly Inspection: Full-process assembly inspection, ensuring smooth lifting of the valve disc
- Quality Control: Strict ISO 9001 quality management system, full-process quality traceability
Product Production Display
Production Workshop:
Modern standard workshop with advanced production equipment
Production Process:
Raw material cutting → CNC machining → assembly → pressure test → surface treatment → packaging
Raw Material Warehouse:
Standardized raw material storage, ensuring material quality
Testing Equipment:
Professional pressure testing machine, material analyzer, dimensional inspection tools
Technical Team:
Experienced R&D and technical team, supporting customized product development
Certifications:
ISO 9001, CE, API, WRAS, etc. international certifications
Product Transport Package
Inner Packaging:
Plastic film wrapping + foam protection, preventing scratch and collision
01
Outer Packaging:
Standard export wooden case/plywood case, fumigation-free for international shipping
02
Marking:
Clear product name, specification, quantity, weight, shipping mark on the package
03
Custom Packaging:
Support customized packaging according to customer requirements
04
Shipping Method:
Sea freight, air freight, express delivery, flexible logistics solutions
05
After-sales service
We provide a complete set of after-sales service solutions for global customers:
● Technical Support: 24/7 online technical consultation, product selection guidance, installation instruction
● Installation & Commissioning: Detailed installation manual, online video guidance, on-site service available for large projects
● Warranty Service: 12-month warranty for all products, free replacement of damaged parts within warranty period
● Spare Parts Supply: Long-term supply of original spare parts at preferential price
● Training Service: Free operation and maintenance training for customer's technical staff
● After-sales Response: 24-hour rapid response to after-sales problems, solving problems efficiently
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