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Stainless Steel SS304 SS316 Carbon Steel Threaded Sight Glass Flow Indicator
US$20.00
100 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableCap/Body Material
304/316/316L Stainless Steel, Carbon Steel, OthersSealing Gaskets
NBR/PTFE/Viton/Graphite SealModel NO.
HQSG-30Window Glass
Temperd Glass/(Hihg)Borosilicate Glass/Quartz GlasConnection
NPT, BSPP, BSPT, Others Female ThreadMedium
Water, Air, Gas, Oil and Corrosive LiquidsTransport Package
Cartons on PlalletsSpecification
DN8 to DN65 (1/4 "to 2-1/2")Trademark
HQOrigin
ChinaHS Code
9026100000Production Capacity
1000 Pieces/MonthKey features
Versatile Material Options: Available in 304/316/316L Stainless Steel, Carbon Steel, and other materials for diverse applications.
Wide Size Range: Nominal width DN8 to DN65 (1/4 inch to 2-1/2 inch) to fit various pipeline dimensions.
Multiple Glass Choices: Options include Tempered, Borosilicate, and Quartz glass to suit different pressure and clarity needs.
Easy Installation & Monitoring: Designed for visual flow observation, easy installation, and intuitive troubleshooting in pipelines.
Robust Pressure Rating: Min operating pressure of 1.6MPa for tempered glass and 2.6MPa for borosilicate glass.
Cost-Effective Design: Mechanical paddle wheel principle provides reliable flow indication without complex electronics.
Durable Construction: Long lifetime with remarkable application areas and obvious demonstration effects for industrial processes.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2001-01-01Nearest Port: QINGDAO PORTAverage Response Time: ≤3.75hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, CPT, EXW
AI-Powered supplier vetting
SummaryThe supplier is identified as a Qingdao trading company with 13 years of export experience and exports representing 71%–90% of total sales. It holds ISO 9001 certification, reports quality assurance, raw-material traceability, new product launches, ODM, OEM, and design-based or sample-based customization capabilities. However, quality and service documentation is incomplete: the supplier has no written complaint-handling procedures or records, finished-product inspection records are absent, and only one quality-control inspector is reported. It lacks in-stock capacity, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show participation. Financial records are referenced for 2021–2023, but the provided information does not establish financial strength or credibility. No customer names or verifiable customer cases are supplied.
CertificationsThe supplier reports ISO 9001 certification for its management systems. This is explicit evidence of holding a recognized quality-management certification.
After-Sales capabilityThe company claims reputed pre-sale and after-sale service, but the operational evidence is weak: there are no written complaint-handling procedures or records, corrective-action procedures have no written records, and the supplier lacks inventory, overseas warehouses, overseas showrooms, agents or branches. Service quotations can be offered under FOB, CIF, CFR and EXW terms, but this does not establish effective after-sales execution.
R&D capabilityThe supplier reports new product launches during the last year, product-information R&D capability, and ODM services. However, it reports no available SDK, so the evidence supports product development and design-oriented innovation but not software-development capability.
Customization capabilityThe supplier explicitly offers customization from designs and samples, as well as ODM services. It also reports OEM capability for popular brands, providing direct evidence of product customization and private-label support.
Product Q&A
Q:What materials are available for the body and cap?
A:
The body and cap can be made from 304/316/316L Stainless Steel, Carbon Steel, or other specified materials.
Q:What sizes are available for this flow indicator?
A:
The nominal width ranges from DN8 to DN65, corresponding to sizes from 1/4 inch to 2-1/2 inch.
Q:What connection types are supported?
A:
Available connections include NPT, BSPP, BSPT, and other female thread options.
Q:What is the minimum operating pressure?
A:
The min operating pressure is 1.6MPa (16 Bar) for tempered glass and 2.6MPa (26 Bar) for borosilicate glass.
Q:What media can this device monitor?
A:
It is suitable for water, air, gas, oil, and corrosive liquids flowing in pipelines.
Send Inquiry
*To:
Qingdao HQ Import & Export Co., Ltd.
Qingdao HQ Import & Export Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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