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Axial Flow Check Valve with Guided Spring Return
US$43.00-56.00
10 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableMedia
WaterTemperature
Ordinary TemperatureModel NO.
ZFH41X-16Q-DN100Material
Cast IronConnection Form
FlangeStructure
ButterflyPressure
Ordinary PressureFunction
Nrvr Silence, Sfcv Rubber LobeSealing Form
Soft Rubber SealFlow Direction
UnidirectionStandard
GBApplication
Industrial Usage, Water Industrial UsageProduct Name
Micro Resistance Slow Closing Check ValveModel
Zfh41X-16q-DN100Valve Type
Slow Closing Butterfly Check ValveNominal Diametre
DN100Nominal Pressure
Pn10Working Temperature
-10℃ ~ 120℃Valve Body
Ductile IronInternal Component
Stainless Steel + RubberAdvantages-01
Micro Resistance, Low Head LossAdvantages-02
Slow Closing to Prevent Water HammerCertification
GS, CE, ISO9001Transport Package
Seaworthy Wooden CaseSpecification
DN100Trademark
ZentifOrigin
ChinaHS Code
8421199090Production Capacity
50000Key features
Anti-Water Hammer Design: Slow-closing mechanism prevents hydraulic shock and protects pumps from damage.
Zero Leakage Sealing: Resilient-seated bubble-tight sealing ensures no media escape under pressure.
100% Pressure Tested: Every valve undergoes shell and seat pressure tests to EN 598 / ISO 5208 standards.
Corrosion Resistant Material: Constructed with ductile iron and stainless steel for harsh environments.
Compact & Lightweight: Space-saving design allows for easy installation and reduced costs.
Modular Maintenance: Components can be serviced without removing the valve from the pipeline.
Low Head Loss: Optimized flow design minimizes energy consumption in water systems.
Customization Available: Customized flange standards and material options (Ductile Iron, Cast Steel, Stainless Steel) available.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: N/A CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.99h
About Our Factory & Business Background
AddressNo. 111 Huangjia Garden Road, Jiangqiao Town, Jiading District, Shanghai, China
Plant Area12819.22 square meters
Number of Employees81
Registered Capital55,484,089 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity500 PICS
Supply Chain Partners12
Our Production Capability & Technical Expertise
Main Productsangle valve
Production Lines5
Production MachinesCNC Lathe, Lathe, Shot Blasting Facility, Vertical Lathe
QA/QC inspectors3 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers2 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2001-03-20
Main MarketsDomestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff4
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:How to select the right check valve for water supply and industrial pipeline systems?
A:
For water supply, pump outlets, and industrial pipelines, swing or resilient seated check valves are recommended. Consider flow velocity, pressure rating (PN10/PN16), and installation orientation. For slow closure to prevent water hammer, choose slow-closing or damped check valves.
Q:What makes check valves essential in fire protection and pump station systems?
A:
Check valves are vital in fire protection and pump stations, preventing backflow and protecting pumps from reverse rotation. They close automatically when flow stops, ensuring safety and pressure maintenance. Resilient seated or double-door valves are favored for their reliable sealing and minimal pressure drop.
Q:Are check valves suitable for high-frequency flow changes and automated systems?
A:
Standard check valves operate automatically based on flow direction. For frequent flow changes, silent or spring-loaded valves are ideal, closing quickly and quietly to reduce water hammer. High-quality designs with damping handle demanding conditions effectively.
Q:What are the main advantages of check valves in HVAC and chilled water systems?
A:
Check valves prevent reverse flow in HVAC and chilled water systems, protecting equipment like pumps and chillers. They feature low cracking pressure, tight shutoff, and minimal pressure loss. Their compact design ensures reliable performance, maintaining efficiency and safeguarding sensitive components.
Q:What certifications do the valves hold?
A:
The valves are certified with CE, EAC, FM, WRAS, SIL, and PED standards.
Send Inquiry
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Shanghai Zentif Valve Group Co., Ltd.
Shanghai Zentif Valve Group Co., Ltd.*Content:
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