Compact Slow Closing Check Valve for Reliable and Durable Operation

Name: Compact Slow Closing Check Valve for Reliable and Durable Operation
Brand: Shanghai Zentif Valve Group Co., Ltd.
SKU: 1999249841

Shanghai, ChinaShanghai Zentif Valve Group Co., Ltd.

US$20.00-100.00

10 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

ZFH41X

Material

Ductile Iron

Connection Form

Flange

Structure

Butterfly

Pressure

Ordinary Pressure

Function

Nrvr Silence, Sfcv Rubber Lobe

Sealing Form

Soft Rubber Seal

Flow Direction

Unidirection

Standard

Application

Industrial Usage, Water Industrial Usage

Product Name

Micro Resistance Slow Closing Check Valve

Model

Zfh41X

Valve Type

Slow Closing Butterfly Check Valve

Nominal Diametre

DN150

Nominal Pressure

Pn10

Working Temperature

-10℃ ~ 120℃

Valve Body

Ductile Iron

Internal Component

Stainless Steel + Rubber

Advantages-01

Micro Resistance, Low Head Loss

Advantages-02

Slow Closing to Prevent Water Hammer

Certification

GS, CE, ISO9001

Transport Package

Seaworthy Wooden Case

Specification

DN150

Trademark

Zentif

Origin

China

HS Code

8421199090

Production Capacity

50000

Key features

Anti-Water Hammer Design: Slow-closing mechanism prevents water hammer and protects pipelines.

Bubble-Tight Sealing: Zero leakage with resilient-seated soft rubber seal for reliable performance.

Durable Material Construction: Body made of ductile iron with stainless steel internal components for corrosion resistance.

ISO Certified Quality: 100% pressure tested to EN 598/ISO 5208 standards with GS, CE, and ISO9001 certifications.

Customizable Options: Custom flange standards and material options (Ductile Iron, Cast Steel, Stainless Steel) available.

Compact Space-Saving Design: Lightweight and compact structure ideal for installation in tight spaces.

Easy Maintenance Access: Large top cover design allows easy access to internal elements for replacement.

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: ≤2.15h

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 check valve for water supply and industrial pipeline systems?

For water supply and industrial pipelines, swing or resilient seated valves are recommended. Consider flow velocity, pressure rating (PN10/PN16), and orientation. For preventing water hammer, choose slow-closing or damped valves.

Q:What makes check valves essential in fire protection and pump station systems?

Check valves prevent backflow, protect pumps from reverse rotation, ensuring safety. Resilient seated or double-door valves are favored for reliable sealing and low pressure drop.

Q:Are check valves suitable for high-frequency flow changes and automated systems?

Standard check valves function automatically with flow direction. For systems with frequent flow changes, silent or spring-loaded valves are optimal, closing quickly and quietly to reduce water hammer. Quality designs with proper damping handle demanding conditions.

Q:What are the main advantages of check valves in HVAC and chilled water systems?

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.