Features and application:
1. Application: The valve is installed in the pump outlet to prevent the media back, can eliminate the high-rise building water supply, fire water and cooling water circulation system noise and water hammer.
2. Features: simple structure, reliable performance; switch no noise, eliminate water hammer; installation and removal easy.

The main performance parameters:
◆ Nominal pressure: PN1.6Mpa
◆ Shell test: 2.4Mpa
◆ seal test: 1.76Mpa
◆ Temperature: ≤ 80 ℃
◆ Suitable medium: water