What is the K-factor of this sprinkler?

The K-factor is 5.6 (80L/Min) with a nozzle flow coefficient of 80.

Pendant Spray Fire Sprinkler Head for Fire Fighting System

Name: Pendant Spray Fire Sprinkler Head for Fire Fighting System
Brand: GUANGWEI FIRE FIGHTING SCIE TECH CO., LTD.
SKU: 789543352

Fujian, ChinaGUANGWEI FIRE FIGHTING SCIE TECH CO., LTD.

US$0.295-1.00

2,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Sprinkler Installation

Upright

Sprinkler Head Type

Closed

Model NO.

T-ZSTX01

Alarm Valve Type

Wet Alarm Valve

Automatically Opened and Closed Repeatedly

Can't Automatically Opened and Closed

Closed Fire Sprinkler System

Wet Fire Sprinkler System

Wet Alarm Valve Structure

Flange

Nozzle Flow Coefficient

Connecting Thread

1/2"(15mm)

K-Factor

5.6(80L/Min)

Temperature Rate

68 Degree

Response

Standard(5mm Glass Bulb)

Working Pressure

1.2MPa

Surface Finished

Chrome/Brass/White

Transport Package

Carton Box

Specification

37.5*20.5*29

Trademark

XL or customized

Origin

Fujian, China

HS Code

8424899990

Production Capacity

10000pieces/Week

Key features

High-Quality Brass Construction: Made of durable brass frame, splash deflector, and glass bulb for reliable performance.

Standard Response Speed: Features a standard 5mm glass bulb for efficient heat detection and automatic water spray.

Customizable Options: Customizable connecting thread, K-factor, temperature rating, and surface finish (Chrome/Brass/White).

Efficient Fire Control: Automatically detects fire risk and extinguishes it by spraying water onto the heat source.

Verified Manufacturer: 16 years export experience with OEM/ODM services available and own brand support.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceQuality Assurance100% Finished Products Inspection

GUANGWEI FIRE FIGHTING SCIE TECH CO., LTD.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 16 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤5.25h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe provided information describes a fire-protection equipment supplier with integrated design, research, production, sales, and service activities. It reports OEM and ODM capability, broad customization services, documented quality and service procedures, multiple management and product certifications, 10 production lines, substantial stated production volumes, and exports to a wide range of regions. It also reports export sales of 71%–90% and lead times within 15 working days in both peak and off-season. However, the evidence is inconsistent across records: the legal company name in one slice differs from the company name in another, and several overseas-service capabilities are explicitly absent. No customer cases are provided, and the innovation evidence is mixed because ODM is available but no new products were reported in the past year and no SDK is available.

Supplier typeThe supplier is presented as a professional fire-protection equipment manufacturer integrating design, research, production, sales, and service, with 10 production lines and products including sprinklers, fire hoses, extinguishers, alarm systems, and valves. However, the records identify different company names, so the exact supplier identity should be verified before relying on the profile.

CertificationsThe supplier reports ISO9001:2015, ISO14001, ISO45001:2018, and other certifications, as well as CE and other product certifications. These stated certifications provide explicit evidence of management-system and product-certification coverage.

After-Sales capabilityThe supplier reports written procedures and records for service assessment, corrective and preventive actions, and customer complaint handling. Conversely, it reports no overseas warehouse, showroom, overseas agent or branch, offline trade-show participation, or overseas service countries, indicating documented service processes but limited disclosed overseas infrastructure.

Production capacityThe supplier reports 10 production lines, defined equipment including lathes, drilling and assembly machines, laser marking equipment, and detailed output across several fire-protection product categories. It also reports lead times within 15 working days in both peak and off-season and exports to multiple global regions, supporting a positive production-capability assessment.

Customization capabilityBoth manufacturing/design records explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. OEM and ODM services are also reported, providing clear evidence of broad customization capability.