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Provided with a non-return valve to control opening and closingspeed. It can be adjusted to optimal opening and closing speed tocater for working conditions when pump starts or stops running.
Applicable for high-rises to reduce the production of water hammerand slamming, thus to effect quiet close.
Pressure Grade: PN10, PN16, PN25
Diaphram Type: DN50-DN350
Piston Type: DN400-DN800
Slow Shut Check Valve (GL300X)
