What is the expansion ratio?

The expansion ratio is greater than or equal to 6.

Can the sprinkler open and close automatically?

Yes, it can automatically open and close repeatedly.

What is the lead time for orders?

Peak season lead time is one month, while off-season is within 15 workdays.

Foam Sprinkler for Fire Sprinkler of Foam System

Name: Foam Sprinkler for Fire Sprinkler of Foam System
Brand: Shenzhen Winan Industrial Development Co., Ltd.
SKU: 773082945

Guangdong, ChinaShenzhen Winan Industrial Development Co., Ltd.

US$4.80

300 Pieces

Product profile

Customization

Available

Sprinkler Installation

Pendent

Sprinkler Head Type

Open

Model NO.

PTW

Alarm Valve Type

Deluge Valve

Automatically Opened and Closed Repeatedly

Can Automatically Opened and Closed

Open Fire Sprinkler System Type

Deluge System

Alarm Valve Diameter

150mm

Nozzle Flow Coefficient

Deluge Valve Type

Diaphragm Type

Nominal Diameter

Dn15, Dn20

Flow Range

1L/S~2L/S

Working Pressure

0.3MPa~0.5MPa

Expansion Ratio

≥6

Transport Package

Crate or Carton

Trademark

GAN

Origin

Shenzhen, China

Key features

Automatic Reopening Capability: Can automatically open and closed repeatedly for continuous protection.

Customized Nominal Diameter: Available in Dn15 and Dn20 to fit specific system requirements.

Flexible Flow Range: Customizable flow range from 1L/S to 2L/S for varied fire scenarios.

Adjustable Working Pressure: Supports working pressure between 0.3MPa and 0.5MPa.

Dual Functionality: Foam/water combined nozzle can spray both foam and water.

Diaphragm Valve Type: Equipped with Diaphragm Type Deluge Valve for reliable operation.

Pendent Installation: Designed for Pendent sprinkler installation in fire systems.

Company profile

Shenzhen Winan Industrial Development Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2014-11-11Nearest Port: Yantian, Shenzhen, Shekou, ShenzhenAverage Response Time: ≤9.34hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryWinan is identified as a private manufacturer/factory in Shenzhen, China, specializing in fire-fighting equipment such as foam systems, sprinkler systems, fire monitors, hydrants, water-mist systems, and valves. The supplier reports ISO 9001:2000 and CCCF certifications, more than 25 years of industry experience, national patents, and membership in the Chinese Fire Protection Association. Export activity is documented since 2014, with exports representing 31%–40% of total sales and self-operated import/export rights. Production data specifically states capacity of 500 foam bladder tanks annually. However, the available information does not establish current contract status, inventory or overseas service capabilities, detailed financial credibility, customization services, or customer case references. The audit record is from 2024–2025, with an evaluation result recorded as 0, but the meaning of that result is not specified.

Supplier typeThe supplier is explicitly identified as a private manufacturer/factory based in Shenzhen, Guangdong, China. Its stated business focuses on fire-protection equipment and related industrial and security products, consistent with a specialized manufacturing supplier.

CertificationsThe supplier states that it passed ISO 9001:2000 quality management certification in 2001 and CCCF product quality certification in 2004; its products are also described as Chinese high-quality brand-name products. A TUV Rheinland audit record covers March 7, 2024 to March 6, 2025, although the recorded audit result is not interpretable from the provided data.

R&D capabilityThe supplier reports national patents obtained after decades of innovation and has operated in the fire-protection industry for over 25 years. However, recent new-product launches and current R&D outputs are unknown, so the evidence supports historical innovation activity but not a complete assessment of current innovation capability.

Production capacityThe supplier is explicitly classified as a manufacturer/factory, reports annual productivity of 500 foam bladder tanks, and states more than 25 years of industry experience. This supports established manufacturing capability, although capacity data for its other product categories is not provided.