Extended Coverage · Quick Response
Extended Coverage Quick Response Sprinklers
A 3 mm glass bulb sprinkler family available in pendent, upright and horizontal sidewall configurations. The current range is DN20 / ¾ in, K8.0 US / K115 metric and 68°C / 155°F.
Exact coverage area, maximum spacing, minimum operating pressure and hydraulic data are supplied against the confirmed model and project requirement.
Available configurations
Three installation styles.
Review the pendent, upright and horizontal sidewall configurations. Product markings are retained for configuration and factory-reference identification.

Technical overview
Buyer-facing specifications
International product names and unit equivalents are shown first. Factory codes are retained only for production and repeat-order matching.
Confirmed product specifications
- Product type
- Extended Coverage Quick Response Sprinkler
- Installation
- Pendent, Upright or Horizontal Sidewall
- Nominal size
- DN20 / ¾ in
- K-factor
- K8.0 US / K115 metric
- Thermal element
- 3 mm quick-response glass bulb
- Temperature rating
- 68°C / 155°F, red glass bulb
- Frame material
- Copper
- Surface finish
- Chrome-plated or natural copper finish
- Thread form
- Manufactured to the confirmed customer drawing or approved sample
- Max. working pressure
- 1.2 MPa / 12 bar / approx. 175 psi
- Standard packing
- 100 pcs per export carton
- OEM / ODM
- Marking, finish, connection and packaging reviewed against the approved requirement
Available configurations
Models you can order
The current factory range is organized by installation orientation. All listed versions share the confirmed nominal size, K-factor and temperature rating.
| Configuration | Nominal size | K-factor | Temperature | Factory reference |
|---|---|---|---|---|
| Pendent, EC Quick ResponseDeflector facing downward when installed | DN20 / ¾ in | K8.0 US / K115 metric | 68°C / 155°F | EC-ZSTX115-68°C series |
| Upright, EC Quick ResponseDeflector facing upward when installed | DN20 / ¾ in | K8.0 US / K115 metric | 68°C / 155°F | EC-ZSTZ115-68°C series |
| Horizontal Sidewall, EC Quick ResponseHorizontal sidewall installation | DN20 / ¾ in | K8.0 US / K115 metric | 68°C / 155°F | EC-ZSTBS115-68°C series |
OEM / ODM support
Configured for your brand and market.
Product marking, finish, connection and export packaging can be developed against your drawing, sample and destination requirements.
Send us your EC sprinkler requirement.
Include country, orientation, thread, finish, quantity, OEM request and required hydraulic documentation.