What materials are used for the sight glass?

The sight glass is made of tempered glass, with SS304 or SS316L body.

Sanitary Stainless Steel Weilding Union Sight Glass

Name: Sanitary Stainless Steel Weilding Union Sight Glass
Brand: QILI HOLDING GROUP CO., LTD.
SKU: 860262385

Zhejiang, ChinaQILI HOLDING GROUP CO., LTD.

US$1.50-5.00

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Certification

CE, FDA

Shape

Reducing

Model NO.

QL63

Head Code

Round

Connection

Welding

Material

Stainless Steel

Size

Dn25-100 & 1"-4"

Media

Beer, Dairy, Beverage, Pharmacy, Cosmetics,

Seal

Silicon, EPDM FPM

Processing Machi

CNC Machine

Is Customized

Can Custom

Transport Package

Plywood Case

Trademark

QL or OEM

Origin

Wenzhou, Zhejiang, China

HS Code

730729000

Production Capacity

10000/Year

Key features

FDA & CE Certified: Materials meet FDA, ISO, and 3A certification requirements for safety.

Customizable Options: Customizable size, media compatibility, seal material, and processing.

High-Grade Materials: Constructed from SS304 or SS316L stainless steel with tempered glass.

Versatile Connections: Available in Weld, Clamp, Thread, Flange, or combination connections.

Wide Temperature Range: Operates from -10 to +120 degrees Celsius with proper gasket selection.

Multiple Standards: Complies with DIN, SMS, ISO, 3A, BPE, CMP, and IDF standards.

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

Fast Sample Delivery: Samples can be dispatched within 2 to 5 days via express or air.

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.