What is the difference between Standard and Quick Response?

Standard Response uses a 5mm glass bulb, while Quick Response uses a 3mm glass bulb for faster activation.

What thread standards are supported?

The sprinklers support NPT and BSPT thread standards, available in 1/2 inch (DN15) and 3/4 inch (DN20) sizes.

What are the payment and delivery terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, etc. Lead time is within 15 workdays off-season and 1-3 months during peak season.

68 Degree 1/2 Inch Qr K5.6 Fire Sprinkler Price

Name: 68 Degree 1/2 Inch Qr K5.6 Fire Sprinkler Price
Brand: SINCO FIRE AND SECURITY CO., LIMITED
SKU: 823190325

Fujian, ChinaSINCO FIRE AND SECURITY CO., LIMITED

US$0.27-1.20

1 Piece

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Sprinkler Installation

Upright/Pendent/Sidewall

Sprinkler Head Type

Closed

Model NO.

ZST

Alarm Valve Type

Wet Alarm Valve

Automatically Opened and Closed Repeatedly

Can't Automatically Opened and Closed

Open Fire Sprinkler System Type

Water Spray System

Closed Fire Sprinkler System

Wet Fire Sprinkler System

Dry Alarm Valve Type

Differential Type

Wet Alarm Valve Structure

Butterfly Valve Type

Alarm Valve Diameter

80mm-250mm

Nozzle Flow Coefficient

80L/Min or 115L/Min

Deluge Valve Type

Lever Type

Name

Fire Sprinkler

Norminal Diameter(mm)

Dn15/Dn20

Thread Standard

NPT/BSPT

Material

Brass/Zinc

Surface Finish

Chrome/Natural Brass/White

Temperature Rating

57/68/79/93/141/182 Degree

Response

Standard/Quick

K-Factor

5.6(80)/8.0(115)

Working Pressure

1.2MPa/175psig

Transport Package

Standard Export Package

Specification

1/2 Inch or 3/4 Inch

Trademark

SINCO/OEM

Origin

Quanzhou, Fujian

HS Code

8424

Production Capacity

150000pieces/Month

Key features

Wide Installation Options: Supports Upright, Pendent, Sidewall, Conventional, and Concealed installation styles.

Multiple Response Types: Available in Standard Response (5mm bulb) and Quick Response (3mm bulb) variants.

Certified Safety Standards: Complies with ISO, CCC, and UL certification requirements for global markets.

High Pressure Resistance: Max working pressure of 1.2MPa (175 Psig/12 Bar) with 100% hydrostatic test.

Durable Material Options: Constructed from Brass or Zinc with Chrome, Natural Brass, or White finishes.

Versatile Flow Coefficients: Offers K5.6 (80L/min) and K8.0 (115L/min) options for different coverage needs.

Broad Application Scope: Suitable for workshops, warehouses, hotels, hospitals, offices, and garages.

Customizable Specifications: Nominal diameters from DN15/DN20 with various temperature ratings and thread standards.

Company profile

High Repeat Buyers ChoiceFast Delivery100% Finished Products InspectionR&D Capabilities

SINCO FIRE AND SECURITY CO., LIMITED

Fujian, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2011-03-09Nearest Port: Xiamen, Ningbo, GuangzhouAverage Response Time: ≤2.76hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummarySINCO FIRE AND SECURITY CO., LIMITED is a China-based limited company identified as a trading company, manufacturer/factory, and group corporation, supplying fire-fighting and safety products. The supplier reports broad product coverage, flexible customization, ODM services, OEM services for well-known brands, export sales, and a stated global sales network. It lists numerous management-system certifications and has 11–20 R&D engineers and 11–20 quality-control staff. However, the evidence also shows no 3D software design service, no SDK, no new products during the past year, no written complaint-handling or corrective-action procedures, and no quality assurance in quality-control processes. Finished products are checked by packing staff, while customer-specific case details are not provided.

Supplier typeThe supplier is identified as a limited company and classified as a trading company, manufacturer/factory, and group corporation. Its stated business focuses on manufacturing and supplying fire-fighting equipment and safety products, including hoses, valves, sprinklers, hydrants, and related systems.

CertificationsThe supplier lists a broad set of certifications and management-system standards, including BSCI, ISO 13485, ISO 9001, ISO 14001, ISO 50001, GMP, and others. Its product description also states conformity with JIS, API, ANSI, and BS standards, although the provided information does not verify certificate validity or scope.

After-Sales capabilityThe supplier claims outstanding customer service and long-term business relationships, and describes itself as providing sales and service. However, it has no written procedures or records for complaint handling or corrective and preventive actions, and the quality-control field explicitly states that no quality assurance is available.

R&D capabilityThe supplier reports 11–20 R&D engineers and offers ODM services, but states that it is not a professional technical supplier, does not provide 3D software design services, has no available SDK, and had no new products during the past year. These explicit limitations outweigh the partial evidence of R&D-related capability.

Production capacityThe supplier offers a broad range of fire-fighting products and reports annual production information, including 365,000 sprinkler-system alarm valves, as well as other product categories. It also reports 11–20 quality-control staff and identifies itself as a manufacturer/factory, supporting production capability; however, finished products are checked by packing staff, which indicates a limited documented inspection approach.

Customization capabilityThe supplier explicitly offers flexible customization and provides ODM services, indicating that it can support customized product or design requirements. OEM capability for well-known brands is also stated, although no specific customization examples or process details are provided.