What standards do the fittings match?

The series of PVC-U PN16 pressure fittings can match the standard GB/T 10002 2 or DIN 8063, and the series of PVC-U PN16 pressure pipes can match the standard GB/T 10002.1 or DIN 8063.

Is the material safe for drinking water?

Yes. TIANYAN PVC-U piping network can suit for the equipments of drinking water supply as the raw materials and finished products are both match or exceed the relative standards.

Plastic Reducing Coupling

Name: Pn16 High Pressure Pipe Fitting PVC/UPVC/CPVC/Plastic Reducing Coupling
Brand: Zhejiang Tianyan Holding Co., Ltd.
SKU: 904107595

Zhejiang, ChinaZhejiang Tianyan Holding Co., Ltd.

US$0.115-7.68

5 Boxes

Product profile

Customization

Available

Connection

Glue/Hot Meld

Material

Plastic

Model NO.

K08

Standard

Color

Dark Grey

Transport Package

Cartons

Specification

1/2"-6"

Trademark

TY/OEM

Origin

China

HS Code

3917400000

Production Capacity

3000tons/Year

Key features

50-Year Service Life: PVC-U piping network designed for uninterrupted water supply with a lifespan exceeding 50 years.

High Flow Efficiency: Smooth walls with low friction coefficient enhance fluid transport efficiency by 25% compared to cast iron.

Corrosion Resistant: Strong resistance to acids and alkalis; no rust or antiseptic treatment required, lasting 4 times longer than cast iron.

Lightweight & Easy Install: Density is 1/5 to 1/6 of cast iron; simple connection methods allow for quick and easy installation.

High Tensile Strength: Features high shock strength and tensile strength, ensuring the piping network is not easy to break.

Customizable Color: Available in Dark Grey color options to meet specific project requirements.

Certified Quality: Passed CE, SGS, ISO 9001, ISO 14001, OHSAS 18001, and WRAS inspections and certifications.

OEM Service Available: Professional R&D team accepts customer designs or creates new designs based on specific requirements.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhejiang Tianyan Holding Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 27 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.61h

AI-Powered supplier vetting

SummaryTIANYAN demonstrates strong customization, R&D, export, quality-management, and process-management capabilities. It provides ODM and OEM services, reports new products within the past year, and supports multiple customization modes. ISO9001, ISO14001, and ISO45001 management certifications, CE-related product compliance certification, documented quality and complaint procedures, and ERP-based operational management are reported. The supplier has substantial export experience, with exports representing 71%–90% of sales and 27 years of exporting. However, it reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial information is limited to reporting years rather than performance results, and no cooperation with Fortune 500 companies is reported.

Supplier typeThe supplier operates as a manufacturer with design and development capabilities: it provides ODM services, OEM services for well-known brands, and customization from samples, designs, or full specifications. Its 27 years of export experience and export share of 71%–90% further indicate an established export-oriented manufacturing profile.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certifications, with ISO45001:2018 also listed in its management-system certifications. It also reports CE and other product compliance certifications, providing explicit evidence of both management and product certification coverage.

After-Sales capabilityThe supplier has documented procedures and records for service capability assessment, corrective and preventive actions, and customer complaint handling. However, it reports no overseas warehouse, showroom, agent or branch, and no overseas service countries, so its local overseas service infrastructure is limited.

R&D capabilityThe supplier reports new products within the past year, six years of total R&D engineer experience, ODM capability, available SDK support, and multiple design-development services. These data explicitly support active product development and innovation capability.

Production capacityProduction-related evidence includes ISO-certified management systems, 6–10 quality-control staff, documented finished-product inspection instructions, written service procedures with records, ERP integration across production, procurement, quality control, and logistics, and a one-month stated lead time in both peak and off-season. These indicators support organized production and quality operations, although production volume and equipment capacity are not provided.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range appears in both R&D design services and general design capability information, providing direct evidence of broad customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands and indicates an 80%–100% repeat-buyer preference range. However, it reports no cooperation with Fortune 500 companies and provides no named customers, project examples, or verifiable case details.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a well-known solution provider for plastic piping systems in the world with 26 years of professional experience.

Q:Do you offer OEM service?

Yes. We have our famous brand name. But we can offer OEM service also, with same quality. We can review and accept customer design, or design based on customer requirements, by our professional R&D team.

Q:Why choose us?

Trust in our experience. We supply many different standards professional products for more than 60 countries and areas in the world. Trust in our authority. We had many professional inspections and certificates. We had passed inspections of CE, , SGS, and get the certificates of ISO 9001, ISO 14001, OHSAS 18001, and WRAS, and so on. Trust in our solutions. We have professional R&D team, QA&QC team, marketing team. We have many patents and awards, can supply highest quality OEM products, and help

Q:How to get a sample?

Please apply sample. We can apply free sample for inspection, after the prices confirmed. Sample is free. We would supply you sample for free, and freight is collected, if you need a sample to confirm. You also can pay freight to us in advance, and let us prepaid freight, if you thought the prepaid freight is lower than collected freight. Freight is free. We will undertake the freight, and pay the money into your deposit, if you give the order to us finally.

Q:What is the service life of the piping network?

The piping network with normal material can be used around 20 to 30 years, but the PVC-U piping network can be used longer than 50 years.

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Pn16 High Pressure Pipe Fitting PVC/UPVC/CPVC/Plastic Reducing Coupling