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Silent Check Valve Solution for High-Performance Pump Applications
US$20.00-100.00
10 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableMedia
WaterTemperature
Ordinary TemperatureModel NO.
ZFH41XMaterial
Ductile 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
Zfh41XValve Type
Slow Closing Butterfly Check ValveNominal Diametre
DN150Nominal 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
DN150Trademark
ZentifOrigin
ChinaHS Code
8421199090Production Capacity
50000Key features
Anti-Water Hammer Design: Slow closing mechanism prevents water hammer in pipelines and pump systems.
Bubble-Tight Sealing: Zero leakage with resilient-seated rubber flap closure for non-return operation.
ISO Certified Quality: 100% pressure tested to EN 598/ISO 5208 standards with CE, GS, and ISO9001 certifications.
Customizable Materials: Options include Ductile Iron, Cast Steel, and Stainless Steel to meet project requirements.
Compact Modular Structure: Lightweight design saves space with large top cover for easy maintenance access.
Low Head Loss: Micro resistance design ensures efficient flow with minimal pressure loss.
OEM/ODM Support: Customization available including technical drawing requests in PDF/CAD formats.
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: ≤2.11h
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 valve for water supply and pipelines?
A:
For water supply and pipelines, choose swing or resilient seated valves. Consider flow rate, pressure rating, and orientation. Use slow-closing valves to prevent water hammer.
Q:Why are check valves essential in fire protection and pump systems?
A:
Check valves prevent backflow and protect pumps. Resilient seated or double-door valves offer reliable sealing.
Q:Are check valves suitable for high-frequency flow and automated systems?
A:
Standard check valves work with flow direction. Use silent or spring-loaded valves for frequent changes to reduce water hammer.
Q:What are the advantages of check valves in HVAC and chilled water systems?
A:
Check valves prevent reverse flow in HVAC and chilled water systems, protecting pumps and chillers. They offer low cracking pressure, tight shutoff, and minimal pressure loss. Their compact, reliable design boosts system efficiency and safeguards sensitive components against backflow.
Q:What materials are available for customization?
A:
We offer customized material options including Ductile Iron, Cast Steel, and Stainless Steel to meet project-specific requirements.
Send Inquiry
*To:
Shanghai Zentif Valve Group Co., Ltd.
Shanghai Zentif Valve Group Co., Ltd.*Content:
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