Van xả khí kết hợp Thép đúc (WCB)

• Straight flow body with nominal (equal) inlet and outlet size: Higher than usual flow rates.

• Dynamic Sealing: Prevents leakage under low pressure conditions (1.5 psi; 0.1 bar).

• Minimizes water spraying during air release: Innovative 2-step function, automatic orifice (Patented).

• Compact, simple and robust structure with fully corrosion resistant internal parts: Lower maintenance and increased life span.

• Certified to functional standards: WRAS (UK), EN-1074/4 (Europe), AENOR (Spain), SAI AS4956 (Australia), Singapore.

• Designed in compliance with AWWA C512 (USA).

• Certified to drinking water standards: WRAS (UK), ACS (France), NSF-ANSI-CAN 61 and NSF-ANSI 372 (USA), SAI AS4020 (Australia), PUB SS 375 and SS 270 (Singapore).

• Factory approval and Quality Control: Performance and specification tested and measured with specialized test bench, including vacuum pressure conditions.

Ứng dụng tiêu biểu

• Pumping stations and deep well pumps: Air relief, surge protection and vacuum prevention.
• Pipelines: Protection against air accumulation and vacuum formation at elevations, slope change points and road / river crossings.
• Water networks: Protection against vacuum formation, surge and water hammers at points likely to experience water column separation.