What is the delivery time?

Typically, it is 30-35 days after receiving the deposit payment. However, almost all of the items we have stock in 304.

Do you accept color marks or color boxes?

Yes, both are acceptable; we have experience with them.

Can you mark our logo on the products?

Yes, on the handle or the bodies, both are okay. 1. Print on the Handle (NO MOQ requirements) 2. Laser Marking. (NO MOQ requirements) 3. Carvings(NO MOQ requirements) 4. Casting on the bodies (Has MOQ requirements)

Do you have material certificates?

Yes, if required, Each item will be laser marked with Heat NO and the material certificates.

How do you deal with customer complaints, such as quality issues?

This is an issue we take very seriously. As long as it is confirmed to be a quality issue, we will take full responsibility. 1. exchange or refund is acceptable. It mainly depends on how you need to deal with it.

Ultra-Slim Stainless Steel Check Valve for Backflow Prevention

Name: Ultra-Slim Stainless Steel Check Valve for Backflow Prevention
Brand: ZHEJIANG WELFLOW VALVE CO., LTD
SKU: 2069864052

Zhejiang, ChinaZHEJIANG WELFLOW VALVE CO., LTD

US$1.20

10-99 Pieces

US$1.12

100-499 Pieces

US$1.08

500+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Media

Water, Oil, Gas

Temperature

-20degree to 180 Degree

Material

Stainless Steel

Connection Form

Welding

Pressure

1.0~1.6MPa

Function

on-off Ball Valves

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Certificates

ISO9001-2015, CE

Customized Support

OEM, ODM

Temperature of Media

Normal Temperature

Working Temperatur

-20℃~425℃

Working Medium

Air Water Oil Gas Acid

Connection

Wafer Connection

Transport Package

Cartons & Plywood Cases

Specification

DN15(1/2") to DN300(12")

Trademark

WELFLOW

Origin

China

HS Code

8481804090

Production Capacity

50000piece/Month

Key features

Stainless Steel Construction: Made from 304/316L stainless steel for durability and corrosion resistance.

Compact Wafer Design: Thin single disc structure saves installation space and reduces flow resistance.

OEM and ODM Support: Full customization available including logo marking and color boxes.

Fast Response Mechanism: Prevents water hammer with quick closing action against reverse flow.

Comprehensive Warranty: 1-year warranty covering mechanical defects and quality issues.

ISO and CE Certified: Products meet ISO9001-2015 and CE standards for quality assurance.

Flexible Payment Terms: Accepts 30% T/T deposit with balance against BL or L/C at sight.

Company profile

In-stock CapacityFast DeliveryQuality Assurance100% Finished Products Inspection

ZHEJIANG WELFLOW VALVE CO., LTD

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.97h

About Our Factory & Business Background

AddressNo.2345, Binhai 11th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province, China.

Number of Employees41

Registered Capital10,020,000 RMB

Terms of PaymentLC, T/T, D/P

International Commercial Terms(Incoterms)FOB, CIF, CFR

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity1 PCS

Supply Chain Partners55

Our Production Capability & Technical Expertise

Main ProductsBall Valve, Pipe Fittings, Flanges, Stainless Steel Ball Valves, Industrial Valves, Stainless Steel Flange, Forged Flange, Swing Check Valve, Stainless Steel Pipe Fittings, Flanged Ball Valve

Production Lines1

Production MachinesCNC Lahe, Sandblasting Facility, Torque Facility

QA/QC inspectors2 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 MaterialsNo