AsalAra Pressure Seal Cover Check Valve
- Pressure Seal Check Valve
The AsalAra Pressure Seal Cover Check Valve is engineered for high-pressure and high-temperature environments, offering superior sealing integrity and operational safety. The pressure seal design uses the system pressure to enhance the cover gasket seal, ensuring tighter and more reliable sealing as internal pressure increases.
This valve is suited for demanding industrial sectors such as power generation, petrochemical processing, oil and gas, and water treatment facilities. Its robust construction minimizes leakage and extends service life even in challenging conditions.
The valve typically features a swing or piston check mechanism to allow free forward flow and prevent reverse flow effectively. The pressure seal bonnet design also enables maintenance without complete disassembly of the valve body.
NPS (inch)
DN (mm)
2” – 36”
DN 50 – DN 900
Standard
Rating
ASME
Class 150, 300, 600, 900, 1500, 2500
- Body: Carbon Steel ASTM A216 WCC, Alloy Steel ASTM A217 WC6/ WC9, Stainless Steel ASTM A351 CF8M
- Disc: Stainless Steel, Hardened alloys, or resilient sealing materials
- Seat: Metal-to-metal or soft seat (PTFE, rubber) options available
- Bonnet Seal: Pressure-energized gasket designed to improve sealing as pressure increases
- Flanged – ASME B16.5 / B16.47
- Butt Weld Ends – ASME B16.25
- Socket Weld Ends – ASME B16.11
- Face-to-Face – ASME B16.10
AsalAra Control Valve Series
Pressure Seal Cover Check Valves
Pressure Seal Bonnet Design
Utilizes internal pressure to enhance gasket sealing, minimizing leakage
Heavy-Duty Construction
Withstands high pressure and temperature for critical service
Swing or Piston Check Mechanism
Ensures reliable one-way flow and prevents backflow effectively
Metal or Soft Seat Options
Customizable sealing for various media and conditions
Ease of Maintenance
Pressure seal bonnet allows maintenance without full disassembly
Wide Size and Pressure Range
Adaptable for a broad range of industrial uses
Fire-Safe and Corrosion-Resistant Materials
Meets safety standards and enhances durability in harsh environments
Power plants and steam systems
Oil and gas pipelines and refineries
Petrochemical and chemical processing plants
Water and wastewater treatment
Heavy industrial process control
- Swing or piston disc designs
- Spring-assisted or gravity-closed mechanisms
- Anti-corrosion coatings and linings
- Customized end connections and face-to-face dimensions
- Locking devices for safety during maintenance
- Fire-safe and sour service compliance options
- API 6D / ASME B16.34
- API 594 – Check Valve standards
- API 598 – Pressure and leakage testing
- API 607 / ISO 10497 – Fire-safe certification
- NACE MR0175 / ISO 15156 – Sour service compliance
- PED 2014/68/EU (where applicable)
AsalAra’s Pressure Seal Cover Check Valve delivers enhanced sealing reliability under extreme pressure and temperature, making it the preferred solution for critical industrial systems requiring robust backflow protection and maintenance efficiency.