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High Quality Reduced Pressure Backflow Preventer
US$200.00-300.00
1 Piece
Sample price:US$1450.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

LHS743X

Material

Cast Iron

Connection Form

Flange

Structure

Reduced Pressure Zone

Pressure

Ordinary Pressure

Function

Nrvr Silence, Sfcv Rubber Lobe

Sealing Form

Soft Rubber Seal

Flow Direction

Unidirection

Standard

GB

Application

Industrial Usage, Water Industrial Usage

Product Name

Reduced Pressure Backflow Preventer

Model

Lhs743X-16q-DN100

Valve Type

Reduced Pressure Zone Backflow Preventer

Nominal Diametre

DN100

Nominal Pressure

Pn10

Working Temperature

0℃ ~ 80℃

Valve Body

Ductile Iron

Internal Component

Stainless Steel + Rubber

Advantages-01

High Safety Backflow Protection

Advantages-02

Prevents Contamination & Water Hammer

Certification

GS, CE, ISO9001

Transport Package

Seaworthy Wooden Case

Specification

DN100, PN10, Reduced Pressure Backflow Preventer

Trademark

Zentif

Origin

China

HS Code

8421199090

Production Capacity

50000

Key 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

Shanghai Zentif Valve Group Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery
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.

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