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Standard Fire Preaction Dry Alarm Valve
US$390.00-450.00
10 Pieces
Product profile
Customization
AvailableModel
Dn100,Dn200Friction Resistance
<0.02Rated Working Pressure (MPa)
1.2Start-up Time
<15Strength Test Pressure (MPa)
4.8Transport Package
CartonTrademark
welfareOrigin
Zhejiang, China (Mainland)Key features
Dual Protection Role: Combines fire detection and alarm technology with automatic sprinkler systems.
Dry System Capability: Inflated pipeline system suitable for high temperature and severe cold conditions.
Rapid Activation: Start-up time is less than 15 seconds for immediate fire response.
High Pressure Resistance: Rated working pressure of 1.2 MPa with strength test up to 4.8 MPa.
Low Friction Loss: Friction resistance is less than 0.02 for efficient water flow.
Multiple Sizes Available: Offered in Dn100 and Dn200 models to fit various system requirements.
Automatic Alarm System: Triggers water alarm bell and acousto-optic alarm upon pipe filling.
Cost Effective Pricing: Dn100 set at USD 390 and Dn150 set at USD 450.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryWofu Fire & Security Equipment Co., Ltd. is a China-based limited trading company established in 2013, offering fire-fighting, alarm, hardware, rescue, and road-safety products. The supplier reports flexible customization and participation in the Canton Fair, but no ODM service, no OEM service for popular brands, no new products in the past year, and no SDK. Service-management controls are weakly documented: no written procedures or records were reported for supplier assessment, corrective actions, or complaint handling. It has no overseas showroom, agents, or branches. Production-related information is inconsistent: one slice reports more than 10 production lines and 11–20 quality staff, while another identifies the company as a trading company with 3 employees and another reports 9 employees. No management-system certifications are listed. Financial evidence is incomplete and is excluded from this assessment in accordance with the privacy requirement.
Supplier typeThe supplier is identified consistently as a Trading Company and Limited Company, headquartered in Hunan, China. Its stated business covers wholesale and retail of fire-fighting equipment, electronic and hardware products, and rescue supplies, indicating a trading-oriented operating model rather than a clearly documented manufacturer profile.
CertificationsThe supplier management-system certification field is explicitly recorded as NIL. This is a stated absence of certification evidence, rather than merely incomplete documentation.
After-Sales capabilityThe business scope includes installation and after-sales service for security alarm systems, and the supplier reports one-month average lead times in both peak and off-season with several quotation and payment options. However, it reports no written procedures or records for service-capability assessment, corrective and preventive actions, or complaint handling, and has no overseas agents, branches, or showroom.
R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. These explicit limitations indicate weak documented innovation and development capability.
Customization capabilityThe supplier explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. This provides direct evidence of broad stated customization coverage, although no supporting project examples or performance records are supplied.
Product Q&A
Q:What is the start-up time for this valve?
A:
The start-up time is less than 15 seconds.
Q:What are the available models?
A:
Available models include Dn100 and Dn200.
Q:What is the rated working pressure?
A:
The rated working pressure is 1.2 MPa.
Q:Can this system work in cold conditions?
A:
Yes, the dry system design meets needs for high temperature and severe cold conditions.
Q:What is the friction resistance?
A:
The friction resistance is less than 0.02.
Send Inquiry
*To:
Wofu Fire & Security Equipment Co., Ltd.
Wofu Fire & Security Equipment Co., Ltd.*Content:
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