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About SC
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About SC
Corporate Profile
History
SC Branches
Awards & Recognition
Culture
CSR
Six Service Capabilities
返回
Six Service Capabilities
Engineering Support
Valve Integration
Start-up Service
Valve Connected Service
STO
Educational Service
Products
返回
Products
Business Partner
Control Valves
Isolation Valves
Lined Valves
Actuators
Pressure Management
Customized Products
Industrial Solutions
返回
Industrial Solutions
Steam System Solution
Storage Tank Solution
Typical Severe Service
News Center
People
返回
People
Recruitment
Star Academy
People Cultivation
Welfares
Events
Contact Us
返回
Contact Us
Contacts
Message
Products
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Pressure Management
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ANDERSON GREENWOD Breathing Valves
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4020 Atmospheric Pressure and Vacuum Relief Valves
4020 Atmospheric Pressure and Vacuum Relief Valves
Main Features
Fully open at 10% over pressure, enabling setting close to MAWP/MAWV and minimizing tank emissions.
Flow tests certified by third-party inspection organizations
Spring operated up to 12"
Specifications
Valve Size: NPS 2 to NPS 12
Pressure Rating: ANSI 150, PN16
Process connection type: flanged
Material: aluminum, carbon steel, stainless steel
Other configurations: Contact us for more information on specifications or options for this product
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