How do you ensure product quality?

We deploy dedicated QC staff for in-process inspections, pressure testing, and final visual/dimensional checks to ensure precision and defect-free products.

What materials are used for the sight glass?

The main body is made of SS304/SS316L stainless steel, and the glass is tempered borosilicate glass with silicone/EPDM/PTFE seals.

What is the nominal diameter range available?

The nominal diameter ranges from DN15 to DN150 (1/2' to 6'), with customization options available for specific standards.

Premium 304ss Flanged Sight Glass with Temperature Sensor

Name: Premium 304ss Flanged Sight Glass with Temperature Sensor
Brand: Wenzhou Huayu Valve Co., Ltd.
SKU: 2231874665

Zhejiang, ChinaWenzhou Huayu Valve Co., Ltd.

US$25.00

1-9 Pieces

US$18.00

10+ Pieces

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DN25

Shape

Flat

Appearance

Flat Tempered

Standard

GB15763.2-2005

Steel Degree

Tempered Glass

Thickness of Flat Tempered Glass

10MM

Thickness of Curve Tempered Glass

10MM

Fragment State

Technics

Physically Tempered

Flatness

High Class

Usage

Building

Standards

SS304 or SS316L

Material

SS304 / SS316L (AISI 304 / AISI 316L) Stainless St

Nominal Diameter

DN15 ~ DN150

Transport Package

Carton

Specification

DN25

Trademark

huayu

Origin

Wenzhou

HS Code

7307290000

Production Capacity

10000 PCS/Month

Key features

Premium 304/316L Material: Constructed from SS304 or SS316L stainless steel for superior corrosion resistance.

Flexible Customization: Standards and materials customizable to SS304 or SS316L per client requirements.

Certified Quality: Complies with 3A, SMS, DIN, ISO, and GB/T standards with ISO/CE/PED certs.

1-Year Warranty: Comprehensive one-year warranty covering defects with replacement or compensation.

14+ Years Experience: Manufacturer with over 14 years of valve production and professional QC team.

Fast Delivery: Normal products delivered in 10-20 days; bulk orders in 20-30 days.

Company profile

Management CertificationImporters and ExportersFast DeliveryQuality Assurance

Wenzhou Huayu Valve Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.40h

AI-Powered supplier vetting

SummaryThe supplier operates as a combined company with business scopes covering auto parts, hardware, valves, pumps, sealing components, metal tools, special-equipment manufacturing, technology promotion, and import/export activities. It reports advanced CNC equipment, including Japanese MAZAK machines, to support processing accuracy and production efficiency. The supplier provides ODM services, but reports no new products in the past year, no SDK, and no OEM services for popular brands. Service procedures exist for supplier assessment, corrective actions, and complaint handling, but no written records were provided. It has no overseas warehouse, showroom, agent or branch, and no history of offline trade-show participation. ISO9001:2015 certification is reported. Customer cases, detailed financial credibility evidence, and verified service-performance records are not sufficiently documented in the provided information.

Supplier typeThe supplier is identified as a combined company. Its stated scope includes manufacturing, technology-related activities, wholesale and retail of auto parts and hardware, valves, pumps, sealing components, metal tools, and import/export activities, indicating a manufacturer-trader profile rather than a narrowly specialized entity.

CertificationsThe supplier reports holding an ISO9001:2015 certificate under its sustainable development management information. The provided slice does not include certificate scope, issuing body, validity period, or verification details.

Production capacityThe business scope explicitly includes manufacturing of special equipment and hardware products, while the company description states that multiple advanced CNC machines, including Japanese MAZAK equipment, are used to improve core-component processing accuracy and production efficiency. These statements provide direct evidence of manufacturing capability.

Customization capabilityThe supplier explicitly reports availability of ODM services, supporting original-design customization. It does not provide OEM services for popular brands, and no further details on customization scope, tooling, minimum quantities, or execution records are supplied.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturer with in-house production capabilities, enabling direct supply from factory to global clients.

Q:What is the warranty period and solution for issues?

We provide a one-year warranty for all stainless steel products. Solutions include replacement, compensation, or reshipment based on specific circumstances.

Q:What is the delivery time for orders?

Normal products are delivered in 10-20 days, while bulk orders take 20-30 days, depending on the order volume.

Q:Do you provide product samples?

Yes, samples can be provided from our factory upon request.

Q:What certifications do your products have?

We hold ISO, CE, and PED certificates, and our products comply with 3A, SMS, DIN, ISO, and GB/T standards.