Self-Operated Backflow Preventer for Water Meter Outlet Installation

Name: Self-Operated Backflow Preventer for Water Meter Outlet Installation
Brand: Shanghai Zentif Valve Group Co., Ltd.
SKU: 2002795631

Shanghai, ChinaShanghai Zentif Valve Group Co., Ltd.

US$30.00-60.00

5 Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

HS41X

Material

Cast Iron

Connection Form

Flange

Structure

Dual Check with Intermediate Relief Assembly

Pressure

Ordinary Pressure

Function

Backflow Prevention and Water Supply Isolation

Sealing Form

Soft Sealing

Flow Direction

Unidirection

Standard

Application

Water Industrial Usage

Product Name

Reduced Pressure Zone Backflow Preventer

Model

HS41X

Valve Type

Backflow Preventer

Nominal Diametre

DN50-300

Nominal Pressure

Pn10-16

Working Temperature

0℃ ~ 80℃

Valve Body

Ductile Iron

Internal Component

Stainless Steel

Advantages-01

High Safety Backflow Protection

Advantages-02

Prevents Contamination & Water Hammer

Certification

GS, CE, ISO9001

Transport Package

Seaworthy Wooden Case

Specification

DN50-DN300

Trademark

Zentif

Origin

China

HS Code

8421199090

Production Capacity

50000

Key features

Multi-Stage Backflow Protection: RPZ structure offers multiple levels of protection against backpressure and back-siphonage.

Dual Check with Relief Assembly: Manages normal flow while automatically discharging abnormal pressure centrally.

Corrosion Resistant Materials: Ductile iron body with stainless steel stems and springs for long-lasting durability.

Self-Operated Operation: Functions without electricity or external actuators for reliable performance.

Wide Size Range: Available in sizes from DN50 to DN300 to fit various pipeline requirements.

Reliable Sealing: NBR/EPDM seals ensure tight closure and prevent leakage under pressure.

Certified Safety: Meets GS, CE, and ISO9001 standards for industrial and municipal applications.

Customization Available: ODM and OEM services available with customization from customer designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shanghai Zentif Valve Group Co., Ltd.

Shanghai, China

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:Selecting the right backflow preventer for water supply?

For potable systems, RPZ backflow preventers are best for high-risk areas. Consider pipeline size, pressure, and hazard level. Double check valves suit lower risk; RPZ offers max protection.

Q:Why are backflow preventers essential in municipal and building water systems?

Backflow preventers are crucial safety devices that shield drinking water from contamination due to back pressure or siphonage. Required by most municipal codes and high-rise buildings, they protect public health and prevent cross-connection risks.

Q:Can backflow preventers be used in fire protection systems?

Yes. Specialized backflow preventers are used in fire protection systems to stop non-potable water from reversing into the municipal supply, ensuring safety per fire protection and water standards.

Q:How do backflow preventers improve safety in HVAC and industrial water systems?

Backflow preventers secure chilled water, heating, and process systems from reverse flow contamination, maintaining water quality, preventing equipment corrosion, and ensuring safety compliance in commercial and industrial setups.