CLA-VAL 止回阀/消音止回阀/双门止回阀(海

 CLA-VAL/止回阀经FM认证,具有消音/防水陲功能,重点保护泵出口压力波回流,有多种材质/压力等级供选.
CLA-VAL止回阀描述如下:

The Cla-Val Series 580 Silent Wafer Check Valve has a springloaded
poppet that allows the valve to close before flow reversal
occurs, resulting in a silent, non-slam closure. It is a truly silent
check valve. For ease of installation, the valve can be installed
in vertical or horizontal positions with flow up or flow down. The
short lay length of the valve allows for a space-saving design.
Silent Wafer Check Valves are available in sizes 2” to 10”, with
either a 125 lb. or 250 lb. pressure class rating.
Constructed of a cast iron body with bronze trim, the Cla-Val
Silent Wafer Check Valve offers watertight shutoff with metal-tometal
seating. For special applications, stainless steel trim is available
and Buna-N® resilient seats are available as options. All materials
conform to ASTM specifications, ensuring long lasting reliable
performance. As a confirmation of Cla-Val’s commitment to quality,
all Series 580 125 lb. class valves are Factory Mutual approved
except those supplied with Buna-N® resilient seats.
Valve Body: Wafer Style Cast Iron ASTM A126
Class B
Disc & Seat: Bronze ASTM B584
Spring: Stainless Steel ASTM A313.5
Stone Tumbled
Sizes: 2" to 10"

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