What is the warranty and after-sales service?

We respond to any questions within 12 hours. Spare parts are available at half price for lifetime, and we offer repair services if local resolution is not possible.

What standards do your valves comply with?

Our valves comply with DIN, SMS, 3A, and ISO standards.

Sanitary Stainless Steel Manual Welded Union Butterfly Valve

Name: Sanitary Stainless Steel Manual Welded Union Butterfly Valve
Brand: QILI HOLDING GROUP CO., LTD.
SKU: 778654745

Zhejiang, ChinaQILI HOLDING GROUP CO., LTD.

US$15.00-55.00

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Media

Fluid

Driving Mode

Manual

Model NO.

QL-Butterfly Valve

Connection Form

Welding

Structure

Single-Eccentric Sealing

Seal Form

Force Sealed

Valve Stem

Normal

Work Pressure

Mid-Pressure (2.5mpa< Pn <6.4mpa)

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Soft Sealed

Valve Body

Forge Welding

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

Dn15-150 and 1"-6"

Valve Type

Union Butterfly Valve

Transport Package

Export Standard Packing

Specification

DIN, SMS, ISO, IDF, RJT

Trademark

Origin

Wenzhou Zhejiang, China

HS Code

848180409

Production Capacity

50000/Mouth

Key features

Four Position Design: Allows slow opening to reduce stress on valve seat with multiple flow control options.

Sanitary Finish: Wetted surfaces polished to 25 Ra or better for hygiene in food and pharma industries.

100% Testing: Every valve undergoes hydraulic pressure testing and full inspection before shipment.

Flexible Connection: Standard clamp, weld, or thread ends for easy assembly and disassembly in tight spaces.

Customizable Options: Size customizable from DN15-150 (1'-6') and valve type as Union Butterfly Valve.

Material Variety: Available in SS304, SS304L, and SS316L with Silicone, EPDM, or FPM seals.

Full Traceability: Permanently etched size, alloy, and heat number on each capped and bagged valve.

OEM Service: OEM production welcome with 20-40 days lead time after payment confirmation.

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.