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Flanged Backflow Preventer with External Pressure Sensing Tube Assembly System
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
RPZ Backflow Protection: Reduced Pressure Zone design prevents contamination and water hammer in water supply systems.
External Sensing Tubes: Two metal tubes connect to top assembly for easy visual inspection and servicing without disassembly.
Flanged Connection: DN100 flanged ends ensure secure pipeline connection with compact green valve body design.
OEM/ODM Customization: Available for OEM/ODM customization and technical drawing requests (PDF/CAD) to meet specific needs.
Multiple Certifications: Certified with GS, CE, ISO9001, FM, WRAS, SIL, and PED for global compliance and safety.
Durable Materials: Constructed with Ductile Iron body and Stainless Steel + Rubber internal components for longevity.
Versatile Applications: Ideal for municipal water, HVAC, fire protection, and industrial systems requiring reverse-flow protection.
100% Quality Inspection: Every finished product undergoes 100% visual and functional inspection to ensure reliability.
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 systems, RPZ backflow preventers are ideal for high-risk applications. Consider pipeline size, pressure, and hazard level. Double check valves suit lower risk, RPZ types offer maximum protection.
Q:Why are backflow preventers essential in municipal and building water systems?
A:
Backflow preventers safeguard drinking water from contamination by back pressure or siphonage. They are required by most municipal codes and in high-rise buildings to protect public health and prevent cross-connection risks.
Q:Can backflow preventers be used in fire protection systems?
A:
Yes. Specialized backflow preventers are essential in fire protection, preventing non-potable water from reversing into the municipal supply. They ensure safety and comply with fire and drinking water standards.
Q:How do backflow preventers improve safety in HVAC and industrial water systems?
A:
Backflow preventers safeguard chilled water, heating, and process systems from reverse flow contamination. They preserve water quality, prevent corrosion, and ensure compliance with safety regulations in industrial facilities.
Q:What is the warranty period for this product?
A:
We provide a comprehensive 2-year warranty for all our mechanical equipment.
Send Inquiry
*To:
Shanghai Zentif Valve Group Co., Ltd.
Shanghai Zentif Valve Group Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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