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UL/FM Pressure Relief Valve - Direct Spring Type for System Overpressure Protection
US$100.00
100 Pieces
Product profile
Customization
AvailableMaterial
Pressure Relief ValveFire Hose Manifold Type
Pressure Relief ValveModel NO.
SNG27-39Hose Coupling Type
Pressure Relief ValveFire Hose Length
Pressure Relief ValveWorking Pressure
Pressure Relief ValveDiameter
Pressure Relief ValveLining
Pressure Relief ValveWeaving Type
Pressure Relief ValveHose Coupling Structure
Pressure Relief ValveColor
RedFunction
Pressure Relief ValveTransport Package
CartonsSpecification
FM ULTrademark
SynergyOrigin
ChinaProduction Capacity
1000000/YearKey features
Simple, reliable, no diaphragms to fail.
For fire protection system overpressure (thermal expansion or external source).
Set pressure can be changed with spring compression.
Company profile
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service AvailableExport Year: 2003-03-01 CertifiedNearest Port: Tianjin Port, Ningbo Port, Shanghai Port, Qingdao PortAverage Response Time: ≤9.48h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company rather than an offshore company or professional technical supplier. It offers broad customization and ODM services, but reports no 3D software design service, no new products in the past year, no SDK, and no OEM service for popular brands. After-sales support includes debugging, maintenance, repair, training, and equipment installation, with overseas service coverage listed in seven countries, although it has no overseas branches, agents, warehouse, or showroom. Service-control procedures and corrective-action records are documented, while the approved-supplier list lacks approval signatures or dates. ISO9001:2015 and CE-related certification capability are reported. Financial credibility cannot be confirmed because the provided financial indicators are all stated as zero. Production outsourcing procedures, contracts, and in-stock capability are either unknown or unavailable.
CertificationsThe supplier reports an ISO9001:2015 certificate and lists CE among its product certification capabilities. The slices do not provide certificate validity, scope, issuing body, or expiry details.
After-Sales capabilityAfter-sales offerings include debugging, maintenance, repair, training, and equipment installation, supported by listed overseas service countries and participation in Interschutz 2026. However, the supplier has no overseas agents or branches, warehouse, or showroom, so service delivery infrastructure is partly limited.
R&D capabilityThe supplier provides ODM services and multiple forms of customization, but reports no new products in the past year, no SDK, no 3D software design service, and no professional technical R&D capability. This indicates service-based design flexibility but limited demonstrated innovation infrastructure.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. These statements directly support a broad customization offering despite the absence of 3D software design services.
Product Q&A
Q:What is the difference between a pressure relief valve and a pressure reducing valve?
A:
A relief valve opens when system pressure exceeds a set point; a reducing valve continuously lowers pressure downstream.
Q:Where is SNG27-39 installed?
A:
On fire sprinkler risers, pump discharge lines, or downstream of pressure reducing valves to protect against thermal expansion.
Q:What pressure range?
A:
25 to 250 psi (factory set)
Send Inquiry
*To:
Beijing Synergy Technology Co., Ltd.
Beijing Synergy Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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