CHUANWEI FIRE CHUANWEI FIREFire protection equipment
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Automatic sprinkler & nozzle range

Fire Sprinklers, Organized for Global Sourcing.

Select by response type, installation orientation, K-factor and temperature—not by unfamiliar domestic model codes. We support distributors, contractors and OEM/ODM projects with a broad manufacturing range.

K5.6–K25.2Available flow ranges 57–260°CTemperature options OEM / ODMBranding & packing review
Glass bulb fire sprinkler product

Product families

Choose the right sprinkler category

Each family below groups compatible orientations, response types and flow coefficients. Final model codes, threads and compliance documents are confirmed against your destination market and project specification.

01SR

Standard Response Standard Spray

Glass-bulb sprinklers for common pendent, upright and horizontal sidewall configurations.

K-factor
K5.6 (80), K8.0 (115)
Temperature
57–260°C / 135–500°F
Styles
Pendent · Upright · HSW
5 mm bulbCopper frame option304 option at 68°C
View product details
02QR

Quick Response Standard Spray

Quick-response glass-bulb range with pendent, upright and horizontal sidewall variants.

K-factor
K5.6 (80), K8.0 (115)
Temperature
57–141°C / 135–286°F
Styles
Pendent · Upright · HSW
3 mm bulbBulb guard availableCopper frame
View product details
03EC / QR

Extended Coverage Quick Response

Quick-response sprinklers designed as an extended-coverage family. Compared with standard-coverage QR sprinklers, the distinguishing requirement is the larger listed design coverage—not a faster response category.

K-factor
K8.0 (115)
Temperature
68°C / 155°F
Styles
Pendent · Upright · HSW
Factory ref. EC-ZSTZ.X / EC-ZSTBS3 mm bulbCoverage and hydraulic data on request
View product details
04Fusible

Fusible Element Sprinklers

Fusible-element alternatives for pendent and upright installation across multiple temperature classes.

K-factor
K5.6 (80)
Temperature
72, 74, 140, 180, 204°C
Styles
Pendent · Upright
Copper frameFusible element
Request model list
05Concealed

Concealed Pendent Sprinklers

Flat-cover concealed pendent range in standard- and quick-response configurations.

K-factor
K5.6 (80), K8.0 (115)
Temperature
57–141°C / 135–286°F
Response
Standard · Quick
Cover plate configurationChrome-plated or natural copper finish
View product details
06Storage

Large K-factor & ESFR Sprinklers

Two related but different groups: large K-factor spray sprinklers and ESFR sprinklers for storage fire protection. A large K-factor alone does not make a sprinkler ESFR; the exact model and project design criteria must be confirmed.

Large K spray
K11.2 (161) · K14.0 (202)
ESFR
K14.0 (202) · K16.8 (242) · K25.2 (363)
Temperature
68°C / 155°F large K; 74°C / 165°F ESFR
Pendent ESFR optionsUpright and pendent large-K optionsDesign data required
View product details
07Dry

Dry Sprinklers

Extended dry-barrel configurations available in standard- and quick-response versions with selectable lengths.

K-factor
K5.6 (80)
Temperature
68°C / 155°F
Length
100 mm · 145 mm · custom review
Minimum 80 mmLength increments available
View product details
08Open nozzle

Water Mist Nozzles

Compact open-nozzle range including standard water-mist and impingement-style configurations.

Connection size
DN15 / ½″ · DN20 / ¾″ · DN25 / 1″
Configurations
Standard · Impingement
Flow data
Available by model
Open nozzleMultiple spray structures
View series details
09Open nozzle

Water Curtain Nozzles

Open water-curtain nozzle options in pendent and horizontal discharge configurations.

Connection size
DN15 / ½″ · DN20 / ¾″ · DN25 / 1″
Configurations
Pendent · Horizontal
Slot options
Model-dependent
Pendent curtainHorizontal curtain
View series details
10Deluge

Deluge-System Sprinklers

Deluge-system sprinkler options in multiple metric flow-coefficient ranges. The photographed sample visibly includes a glass-bulb heat-responsive element, so it is not presented as an open sprinkler; open configurations must have no actuator or heat-responsive element and are confirmed separately.

Connection size
DN20 / ¾″ · DN25 / 1″
Metric K range
90 · 115 · 145 · 155 · 175 · 200
System type
Open deluge application
Open configuration available by confirmed sampleProject selection required
Request flow options

Coverage comparison

Quick response does not define coverage area

Response type describes how quickly the thermal element operates. Coverage classification describes the design area permitted for the sprinkler. Both values—and the required flow and pressure—must come from the exact product technical data.

QR / Standard Coverage

Quick Response Standard Spray

Fast-response thermal element with standard spray coverage. Common options in our range include pendent, upright and horizontal sidewall styles.

EC / QR

Quick Response Extended Coverage

Also quick response, but developed for a larger design coverage area. Our factory list includes K8.0 (metric 115), 68°C / 155°F upright, pendent and sidewall options; exact coverage, spacing, flow and pressure remain subject to the matching technical sheet.

Selection guide

International K-factor reference

The U.S. K-factor is shown first, followed by the corresponding metric value commonly used in our factory records. Availability still depends on sprinkler family and orientation.

K5.680 metric½″ / DN15 range
K8.0115 metric¾″ / DN20 range
K11.2161 metricLarge K-factor
K14.0202 metricLarge K / ESFR options
K16.8242 metricESFR range
K25.2363 metricESFR range

Available glass-bulb temperature markings

57°C / 135°F68°C / 155°F79°C / 175°F93°C / 200°F141°C / 286°F182°C / 360°F260°C / 500°F

Temperature availability varies by response type, K-factor and orientation. Confirm the exact marking and technical sheet before specification.

OEM / ODM

One range, configured for your market.

We review private-label marking, surface finish, protective bulb guards, cover plates and export packaging against the selected product and order quantity.

Private-label marking reviewFinish and cover optionsBulb protection for transportExport carton and label brief

Technical inquiry

Tell us what the project needs.

For a useful quotation, include destination country, sprinkler family, K-factor, temperature, orientation and estimated quantity.

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