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OEM Brass Thread Welded Fire Sprinkler for Automatic Fire Sprinkler System
US$0.90-3.00
100 Pieces
Sample price:US$1.05/piece.Request sample
Product profile
Customization
AvailableSprinkler Installation
UprightSprinkler Head Type
OpenModel NO.
SA-ZSGAlarm Valve Type
Wet Alarm ValveAutomatically Opened and Closed Repeatedly
Can't Automatically Opened and ClosedOpen Fire Sprinkler System Type
Water Spray SystemClosed Fire Sprinkler System
Wet Fire Sprinkler SystemDry Alarm Valve Type
Differential TypeWet Alarm Valve Structure
Pilot Valve TypeAlarm Valve Diameter
80mmNozzle Flow Coefficient
115Deluge Valve Type
Thermal TypeItem
Fire SprinklerRaw Material
Stainless Steel, Carbon Steel, Aluminum, BrassTolerance
+/-0.02mmTechincs
Die StampingBrand Name
Shengao,OEMStandard or Nonstandard
NonstandardFactory
Over 15 Years Experience in ProducingDimension
10-100mmCertificates
SGS, ISO9001:2008OEM Service
YesCsutom Made
YesLogo Printing
CustomizedMOQ
10-1000PCSFree Sample
YesLength
285mmTransport Package
Plywood BoxSpecification
SGSTrademark
ShengaoOrigin
Weifang City, Shandong Province, ChinaHS Code
87089910Production Capacity
50000PCS/YearKey features
OEM Customization: Supports custom branding, packaging, and logo printing for private label services.
Wide Material Options: Available in Brass, Stainless Steel, Carbon Steel, and Aluminum with various finishes.
Multiple Response Types: Offers Standard Response (SR) and Quick Response (QR) glass bulb options for different hazards.
Certified Quality: Products hold ISO, CCC, and UL certificates ensuring compliance with international standards.
Versatile Installation: Available in Upright, Pendent, Sidewall, Conventional, and Concealed types for various settings.
High Pressure Resistance: Max working pressure up to 1.2Mpa (175Psi) with 100% hydrostatic test at 3.0Mpa.
Flexible MOQ: MOQ ranges from 10 to 1000 pieces for standard models, negotiable for custom projects.
Free Sample Available: Free samples provided to help customers evaluate product quality before bulk ordering.
Company profile
Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.31h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.
Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.
After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.
Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.
Product Q&A
Q:What is a Fire Sprinkler Pendent Sprinkler Head?
A:
A Fire Sprinkler Pendent Sprinkler Head is an automatic fire suppression device designed for installation on the branch line of a wet or dry pipe fire sprinkler system. As a 'pendent' type, it is installed hanging down from the piping (typically through a finished ceiling), with its deflector positioned to optimally distribute water downward and sideways upon activation.
Q:How can I request a quotation or datasheet?
A:
For a compliant and accurate quote, please specify: Desired Certification (UL, FM, CE, etc.) Temperature Rating & K-Factor Thread Size (e.g., 1/2' NPT, 15mm BSP) Finish/Coating Estimated Annual Quantity
Q:Can you provide OEM/private label services?
A:
We are a leading OEM manufacturer and can provide: Custom branding on the frame. Private label packaging and manuals. Product customization to meet specific project or regional standards.
Q:What is your MOQ and lead time?
A:
Standard Models: MOQ 1,000 pieces. Custom/OEM Projects: MOQ negotiable, typically 5,000 pieces. Lead Time: 30-60 days for certified products, depending on quantity and certification requirements.
Q:What materials and finishes are used?
A:
Body & Frame: Bronze Alloy (C84400/C85700) is standard. Stalless Steel (303/316) and Chrome-Plated Brass are available for corrosive or aesthetic applications. Deflector: Brass or Stainless Steel, precision-machined for optimal water distribution. Heat Sensor: Glass Bulb (colored alcohol) or Fusible Link (eutectic solder). Finish: Polished Chrome, Brass (natural), White Epoxy Coating, or Custom Powder Coat (for concealed models).
Send Inquiry
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Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.*Content:
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