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Reliable Double Check Backflow Preventer for Pipeline Safety
US$300.00-400.00
5 Pieces
Sample price:US$1450.00/piece.Request sample
Product profile
Customization
AvailableMedia
WaterTemperature
Ordinary TemperatureModel NO.
LHS743X-2Material
Cast IronConnection Form
FlangeStructure
Reduced Pressure ZonePressure
Ordinary PressureFunction
Nrvr Silence, Sfcv Rubber LobeSealing Form
Soft Rubber SealFlow Direction
UnidirectionStandard
GBApplication
Industrial Usage, Water Industrial UsageProduct Name
Reduced Pressure Backflow PreventerModel
Lhs743X-16q-DN100Valve Type
Reduced Pressure Zone Backflow PreventerNominal Diametre
DN100Nominal Pressure
Pn10Working Temperature
0℃ ~ 80℃Valve Body
Ductile IronInternal Component
Stainless Steel + RubberAdvantages-01
High Safety Backflow ProtectionAdvantages-02
Prevents Contamination & Water HammerCertification
GS, CE, ISO9001Transport Package
Seaworthy Wooden CaseSpecification
DN100, PN10, Reduced Pressure Backflow PreventerTrademark
ZentifOrigin
ChinaHS Code
8421199090Production Capacity
50000Key features
High Safety Backflow Protection: Prevents contamination and water hammer with automatic relief valve.
Durable Ductile Iron Body: Robust construction with excellent corrosion resistance for long-term use.
100% Pressure Tested: Every unit undergoes complete pressure and performance testing before shipment.
Modular Design: Compact structure allows for easy installation, maintenance, and component replacement.
Wide Pressure Range: Available in PN10 and PN16 ratings to suit various industrial needs.
Multiple Certifications: Certified with GS, CE, ISO9001, FM, WRAS, SIL, and PED standards.
Customization Options: Customizable flange standards and materials like SS304/SS316/WCB available.
OEM/ODM Service: Support for OEM/ODM customization and technical drawing requests.
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: ≤5.64h
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 backflow preventer for water supply systems?
A:
For potable water systems, Reduced Pressure Zone (RPZ) backflow preventers are highly recommended for high-risk applications. Consider the pipeline size, working pressure, and hazard level. Double check valves are suitable for lower risk areas, while RPZ types provide the highest level of protection.
Q:Why are backflow preventers essential in municipal and building water systems?
A:
Backflow preventers are critical safety devices that protect drinking water from contamination caused by back pressure or back siphonage. They are mandatory in most municipal codes and high-rise buildings to safeguard public health and prevent cross-connection hazards.
Q:Can backflow preventers be used in fire protection systems?
A:
Yes. Specialized backflow preventers are widely used in fire protection systems to prevent non-potable water from flowing back into the municipal supply. They ensure system safety while meeting strict fire protection and drinking water standards.
Q:How do backflow preventers improve safety in HVAC and industrial water systems?
A:
Backflow preventers protect chilled water, heating, and process water systems from reverse flow contamination. They maintain water quality, prevent equipment corrosion, and ensure compliance with health and safety regulations in commercial and industrial facilities.
Send Inquiry
*To:
Shanghai Zentif Valve Group Co., Ltd.
Shanghai Zentif Valve Group Co., Ltd.*Content:
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