Standard Response · Standard Spray
Standard Response Fire Sprinklers
A 5 mm glass bulb sprinkler family for wet-pipe automatic sprinkler systems, available in pendent, upright and horizontal sidewall configurations. Choose from two nominal sizes and seven temperature ratings.
Factory references are shown for order matching. Thread form, marking and documentation are confirmed against the destination market and approved sample.
Product presentation
Three installation styles.
Use the arrows or thumbnails to review the complete range and each individual configuration. Product markings remain visible for factory identification and repeat-order matching.

Technical overview
International buyer specifications
International product names and unit equivalents are presented first. Domestic codes are retained only for factory order matching.
Product specifications
- Product type
- Standard Response Standard Spray Sprinkler
- Installation
- Pendent, Upright or Horizontal Sidewall
- Nominal sizes
- DN15 / ½ in; DN20 / ¾ in
- K-factor
- K5.6 US / K80 metric; K8.0 US / K115 metric
- Thermal element
- 5 mm glass bulb
- Temperature options
- 57°C / 135°F, 68°C / 155°F, 79°C / 175°F, 93°C / 200°F, 141°C / 286°F, 182°C / 360°F, 260°C / 500°F
- 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
- Unit weight
- Approx. 45–80 g, depending on size and configuration
- Standard packing
- 100 pcs per export carton
- System application
- Wet-pipe automatic sprinkler systems
- Compliance
- Documentation reviewed according to the confirmed order and destination market; no foreign approval is implied
Available configurations
Models you can order
All listed installation styles and temperature ratings are available in both nominal sizes. Factory references are secondary production identifiers.
| Configuration | Nominal size | K-factor | Temperature options | Factory reference |
|---|---|---|---|---|
| Pendent, Standard ResponseDeflector facing downward when installed | DN15 / ½ in | K5.6 US / K80 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTX80 series |
| Upright, Standard ResponseDeflector facing upward when installed | DN15 / ½ in | K5.6 US / K80 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTZ80 series |
| Horizontal Sidewall, Standard ResponseSidewall installation | DN15 / ½ in | K5.6 US / K80 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTBS80 series |
| Pendent, Standard ResponseDeflector facing downward when installed | DN20 / ¾ in | K8.0 US / K115 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTX115 series |
| Upright, Standard ResponseDeflector facing upward when installed | DN20 / ¾ in | K8.0 US / K115 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTZ115 series |
| Horizontal Sidewall, Standard ResponseSidewall installation | DN20 / ¾ in | K8.0 US / K115 metric | 57, 68, 79, 93, 141, 182, 260°C | T-ZSTBS115 series |
OEM / ODM support
Configured for your brand and market.
Product marking, finish, thread form and export packaging can be reviewed after the model and destination requirements are confirmed.
Send us your sprinkler requirement.
Include country, orientation, size, temperature, thread, finish, quantity and OEM request.