What is your warranty and after-sales service policy?

We offer lifetime service with spare parts at half price and respond to issues within 12 hours.

Can you produce custom sizes or non-standard fittings?

Yes, we can produce products if your specifications are out of our standard range.

What is the warranty period for your valves?

We provide lifetime service support, ensuring any product problems are resolved with half-price spare parts.

Weld Check Valve

Name: Sanitary Stainless Steel 304/316L Check Valve Middle Flange/Weld Check Valve
Brand: QILI HOLDING GROUP CO., LTD.
SKU: 828495005

Zhejiang, ChinaQILI HOLDING GROUP CO., LTD.

US$10.00-55.00

1 Piece

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Connection Form

Flange

Model NO.

Structure

Swing

Pressure

High Temperature

Sealing Form

Gland Packings Globe Valve

Flow Direction

Reversing

Standard

DIN

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

1/2"-4", Dn15-Dn100

Certificate

3A, DIN, SMS, ISO, Idf, Rjt

From

China

Delivery Time

15-20 Days

Stainless Steel

SS304/316L

Transport Package

Export Standard Packing

Specification

3A, DIN, SMS, ISO, IDF, RJT

Trademark

Origin

Wenzhou Zhejiang, China

HS Code

8481804090

Production Capacity

50000/Mouth

Key features

Premium Material Options: Manufactured from high-grade SUS304 and SUS316L stainless steel for durability.

International Certifications: Compliant with FDA, CE, ISO, DIN, IDF, 3A, and SMS standards.

Versatile Connection Types: Available in welded, clamped, and threaded connections for various needs.

Wide Application Scope: Ideal for dairy, beer, food, beverage, pharmacy, and bioengineering industries.

Customizable Specifications: Sizes range from DN15 to DN100 (1/2'-4') with custom options available.

Advanced Manufacturing: Produced using imported CNC machines and EU technology for precision.

Lifetime Service Support: Lifetime service with spare parts at half price and 12-hour response time.

Flexible Delivery Options: Supports sea, air, and express shipping to save costs and ensure speed.

Company profile

QILI HOLDING GROUP CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2006-01-01Nearest Port: Ningbo ,Shanghai,Shenzhen,QingdaoAverage Response Time: >24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryQILI HOLDING GROUP CO., LTD. is identified as a China-based manufacturer/factory with facilities in Wenzhou, Zhejiang. The supplied information indicates four production lines, 50 quality-control staff, 11–20 years of combined R&D-engineer experience, and reported annual production of 5,000,000 sanitary valve and fitting pieces. It holds ISO 9001 certification and describes multiple specialized workshops, including CNC machining, forming and polishing, hot forging, BPE fittings, and valve production. The company reports exporting to more than 60 countries since 2006, with exports representing 90% of total sales. It states that it provides design, manufacturing, sales, and after-service capabilities, although detailed after-sales procedures are not provided. Custom fitting production is explicitly mentioned. Available trade data records one transaction and one associated buyer, so customer-case evidence is limited.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and operates in manufacturing from an address in Wenzhou, Zhejiang, China. However, one record also classifies the company nature as a trading company, creating a conflicting secondary classification.

CertificationsThe supplier is explicitly reported to hold ISO 9001 certification, providing direct evidence of a certified quality-management system.

After-Sales capabilityQILI states that its capabilities cover sales and after-service and that it provides service to customers. The slices do not specify service channels, response times, warranty terms, or repair processes, so the stated capability is positive but not operationally detailed.

R&D capabilityThe supplier has 11–20 years of combined R&D-engineer experience and operates specialized workshops including CNC machining, hot forging, and fittings production. These facts support technical development capability, although no specific patented products or quantified R&D achievements are provided.

Production capacityThe supplier reports four production lines, 50 quality-control staff, and annual output of 5,000,000 sanitary valve and fitting pieces. Its described eight professional workshops and stated pre-delivery quality checks provide direct evidence of substantial manufacturing and quality-control capacity.

Customization capabilityThe company explicitly describes an Anhui mass-production base with CNC machining and the ability to make custom fittings. This directly supports customization capability for fitting-related products.

Client casesThe supplier states that its products are exported to more than 60 countries and lists multiple export markets; one associated buyer, LES INSTRUMENTS PITANCO INC, and one trade transaction are also recorded. These references indicate international customer exposure, but the named customer evidence and transaction history are limited.