Victaulic Quick-Response Concealed Sprinkler Model: K-ZSTDY80-93℃ V3802

The Victaulic Quick-Response Concealed Sprinkler (Model: K-ZSTDY80-93℃ V3802) is a high-performance fire protection device that integrates fire safety and architectural aesthetics. Specifically designed for medium-hazard locations and high-temperature environments, it seamlessly adapts to automatic sprinkler systems.
Model: K-ZSTDY80-93℃ V3802
Flow coefficient (K) : K=80 (imperial K=5.6), suitable for medium-hazard level locations.
Nominal operating temperature: 93℃ (200°F), featuring a 3mm diameter glass ball thermal sensitive element with a fast response speed (quick response type).
Working pressure: Maximum 1200kPa (175psi), meeting the requirements of high-pressure systems.
Interface thread: 1/2" NPT (DN15), compatible with standard pipe interfaces.

Product category:

UL/FM Fire Sprinkler

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Product Details

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Product Formation

Core specifications: Flow coefficient K=80 (K=5.6 imperial); 3mm high-strength borosilicate glass bulb (heat-sensitive element); nominal operating temperature 93℃ (200°F); Response Time Index (RTI) ≤ 50 (ms·m)^0.5, classified as a quick-response sprinkler.
Design & structure: Concealed pendant structure with 2-piece adjustable cover (max 13mm/1/2 inch adjustment), fitting various ceiling thicknesses and staying flush post-installation (balances function and decor). Corrosion-resistant copper alloy frame; standard hemispherical deflector for uniform water curtain. 1/2" NPT (DN15) thread, compatible with most industrial/civil fire pipelines; max working pressure 1200kPa (175psi).
KEY WORDS：Quick Response Concealed Sprinkler、93℃ High Temperature Sprinkler、K-ZSTDY80-93℃ V3802、K-factor 80 (K=5.6)、Industrial High-Temperature Sprinkler、Sprinkler with Easy Maintenance、Best Selling Quick Response Sprinkler、Petrochemical Plant Sprinkler

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Product Features

Quick Response & Early Fire Control: 3mm thermal-sensing glass ball (vs. standard 5mm) for 30%-50% faster response. Optimized splash tray creates a uniform hemispherical spray (3.6-4.6m radius) to quickly suppress early-stage fires.
Concealed & Flexible for Decoration: Two-piece detachable cover for easy maintenance. 13mm height adjustment fits various ceiling thicknesses. Concealed after installation, eliminating the aesthetic issue of traditional nozzles; ideal for hotels, museums.
Multi-Certified & Globally Compatible: UL, FM, ULC, CCCF certified; complies with GB 5135.1, NFPA 13. Meets fire acceptance standards in China, North America, etc.
High-Temp Adaptation & Scene Compatibility: 93℃ nominal operating temp suits kitchens, boiler rooms (prevents misoperation). Corrosion-resistant copper alloy frame + high-strength glass balls; adapts to damp, slightly chemically polluted environments, prolonging service life.

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Product Parameter

Model:	K-ZSTDY80-93℃ V3802
Flow coefficient (K) :	K=80 (imperial K=5.6), suitable for medium-hazard level locations.
Nominal operating temperature:	93℃ (200°F), featuring a 3mm diameter glass ball thermal sensitive element with a fast response speed (quick response type).
Working pressure:	Maximum 1200kPa (175psi), meeting the requirements of high-pressure systems.
Interface thread:	1/2" NPT (DN15), compatible with standard pipe interfaces.
Maximum working pressure:	1200kPa (175psi)
Minimum working pressure:	48kPa (7psi)

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FAQ

Q: Can you accept sample order?

A: Yes, we accept samples with little and reasonable charge.But need customer pay sample fees and transport fees first.

Q: What is your payment terms?
A: Payment supports T/T, L/C, etc.

Q: How can l get my order?
A: We will send you the goods by UPS,DHL,FedEx,Oversea Shipment or other forwarder, all with tracking number.

Q: Why choose us?
A; With over 15 years of experience in the fire protection industry, our company has professional technical personnel and many well-known partners in the domestic market. We offer favorable prices and guarantee quality, having passed multiple certifications!

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We serve customers for over 15 years — so we’ve got the knowledge and industry experience to help you get it right.Professional technical support, intimate service experience We have a professional technical support team, at any time to provide you with product consultation, installation guidance and after-sales service.

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