Female Thread Safety Valve DN25 Price for Small Pressure Vessels
With its threaded connection enabling quick installation without welding, this valve provides reliable pressure relief where space is limited and installation flexibility is required. This article provides essential pricing information and key selection parameters for DN25 female thread safety valves for small pressure vessel applications.The main safety valve product names of China safety valve Network include:ANSI Bellows Safety Valve,Fan Engine Safety Valve,GA49H-DN20 Pulse Safety Valve,High Temperature and Pressure Fall Lift Safety Valve,Spring Low Lift Safety Valve,Spring Low Lift High Pressure Safety Valve,Spring Low Lift Closed High Pressure Safety Valve,Static Weight Type Safety Valve.
Price Reference for DN25 Female Thread Safety Valve
Prices for DN25 female thread safety valves vary significantly based on brand, material grade, and configuration:
Premium domestic brand models such as Luofu A21W-16P DN25 with 304 stainless steel construction and set pressure 0.6MPa are available from approximately 1,036 CNY per unit .
Economy domestic models such as Heng Valve A21H series DN25 with cast steel body are available from approximately 260 CNY per unit .
Imported premium models such as Cameron/Spirax Sarco SV615 DN25 with bronze body and stainless steel nozzle are priced from approximately 960 CNY for basic configurations .
Key factors affecting price include brand positioning (premium domestic/imported vs economy domestic), material grade (bronze vs 304 stainless steel vs cast steel), and pressure rating (PN16 to PN64).
Understanding Female Thread Safety Valve Design
Female thread safety valves provide several advantages for small pressure vessel applications. Threaded connections enable installation without welding, reducing installation time and cost . Compact design suits small vessels with limited mounting space. Spring-loaded operation ensures automatic pressure relief with reset after pressure normalization .
For liquid media service, micro-lift design is recommended, providing controlled proportional opening . For steam and gas service, full-lift design provides rapid pressure relief .
Technical Specifications
DN25 female thread safety valves are available in pressure ratings from PN16 (1.6MPa) to PN64 (6.4MPa), with temperature capability up to 200°C for bronze models and up to 425°C for stainless steel models. Body materials include bronze for general service, 304 stainless steel for corrosive media, and cast steel for cost-effective applications . Set pressure ranges from 0.05MPa to 4.0MPa depending on spring selection.
Connections are available with BSP or NPT female threads . Applicable standards include EN ISO 4126, API 520, and ASME Section VIII.
Small Pressure Vessel Applications
DN25 female thread safety valves serve critical functions in small steam boilers and generators, air receiver tanks, compressed air systems, pressure vessels, and process equipment . For liquid service where controlled release is required, micro-lift safety valves are recommended . For steam service, full-lift valves provide rapid overpressure protection .
Selection Considerations
When specifying a DN25 female thread safety valve for small pressure vessels, verify set pressure matches system MAWP. Confirm material compatibility with your process media, selecting 304 stainless steel for corrosive service and bronze for general water/air applications . For liquid media, select micro-lift design; for steam/gas, select full-lift design . Verify thread standard matches your piping (BSP vs NPT).
Summary
DN25 female thread safety valves provide reliable overpressure protection for small pressure vessels, with prices ranging from approximately 260 CNY for economy models to over 1,000 CNY for premium configurations. The threaded design enables quick installation and flexibility in compact systems. Selection requires careful evaluation of set pressure, material compatibility, and valve type based on specific application requirements.
Do you still need to know or purchase the following safety valve products:
