1. Key Advantages
Zero Leakage Safety Guarantee- Metal hard seal + PTFE gasket double insurance, in line with **ISO 5208** the highest leakage level, bearing pressure 42MPa without leakage, to eliminate the risk of media backflow.
Lifetime maintenance-free design
- Self-lubricating valve stem + hardened alloy valve flap, withstanding 5 million opening and closing cycles, trouble-free operation for more than 10 years, reducing customer operation and maintenance costs by 50%.
Compatible with global standards
- Support BSPT/NPT/DIN and other standard threads, flanges in accordance with ASME B16.5, GB/T9113, suitable for Europe, America, Asia-Pacific market pipeline system.
Extreme working conditions
- Deep-cooled type (-196℃ liquid nitrogen) and high-temperature type (540℃ steam) are available, customized materials include Hastelloy, urea grade stainless steel, to cope with corrosive media.
2. Technical Specifications
|
Parameters |
Standard Configurations |
Extended Options |
|
Valve Body Material |
304/316 Stainless Steel |
316L (Medical Grade), WCB Carbon Steel |
|
Nominal Diameter |
DN15-DN300 (Standard) |
DN1200 (Customized for Large Diameter) |
|
Pressure Rating |
PN16 (1.6MPa) |
PN42 ( 42MPa high pressure type) |
|
Temperature range |
-29℃~+425℃ (standard) |
-196℃~+540℃** (extreme type) |
|
Connection method |
Clamped (GB/T12221) |
Flange/Threaded (customized) |
|
Sealing material |
Stellite cobalt-based alloy |
PTFE/flexible graphite (low temperature type) |
|
Fluid Resistance Coefficient |
ζ=0.7~2.6 (DN50+) |
ζ≤0.5 (Ultra Low Resistance Optimized) |
|
Certification Standards |
ISO 9001,API 594 |
FDA, 3-A (Sanitary) |
3. Industry Applications
Construction & Municipal
- High-rise water supply and drainage systems (compact design to fit into tight spaces in pipe shafts)
- Fire fighting networks (quick shut-off of waterproof hammers to protect fire pumps)
Energy and Heavy Industry
- Power station boiler feedwater (540°C/PN42 to prevent steam backflow)
- Oil pipeline (Hastelloy valve body to resist hydrogen sulfide corrosion)
Pharmaceutical & Food
- CIP cleaning lines (316L mirror polished Ra ≤ 0.8μm, FDA audited)
- Bioreactor media transportation (aseptic structure, in line with GMP Class C)
4. Customization Options
▸ Special working conditions:
- Deep cold type: liquid nitrogen/liquid oxygen pipeline (-196℃ special sealing package)
- Sanitary grade: electrolytic polishing + 3-A certification, support SIP sterilization
▸ Intelligent upgrade:
- Valve position sensor (4-20mA signal output, interlock control system)
- Explosion-proof certified actuator (Ex d IIC T6)
▸ Material reinforcement:
- Titanium alloy (seawater desalination), urea grade stainless steel (fertilizer industry)