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Sizes ½" - 4" --
KEY PORT VALVE® Series 400 Eccentric Valves are available in 9 sizes from ½" - 4". This valve is ideal for many applications including HVAC systems, natural gas and combined hot and chilled water service.
Compact Size, Light in Weight --
Small body size makes this valve ideal for applications where space is limited. See dimensions. Light weight minimizes the need for pipe supports. Weights are shown in the dimension table.
Single Valve Balancing and Shutoff for Air Conditioning Application --
The optional FIG 487 Adjustable Memory Stop provides both balancing and shutoff in one valve. With the memory stop locked in place, except when equipped with an attached lever actuator, the valve can be closed and then reopened to the same balanced position. Included with the memory stop is a drip cap to reduce dripping from sweating valves on chilled water applications.
Ideal for Combined Hot and Chilled Water Service --
KEY PORT VALVE® High Temp (Isobutene-Isoprene) plug seals make the Series 400 Eccentric ideal for combined hot and chilled water heating and cooling systems. This compound is suitable for water service at temperatures up to 250 degrees F.
U.L. Listed --
KEY PORT VALVE® FIG 425 valves with RS 49 and RS 51 plug seals are listed by Underwriters Laboratories, Inc. for a variety of applications including: manual burner shutoff of city gas supplied by public utilities; fuel oils; compressed gas line shutoff; and miscellaneous valves for general use in air and water piping for fire protection equipment. Write KEY PORT VALVES for a copy of the complete U.L. listing.
CSA and AGA Certified --
KEY PORT VALVE® 425 valves are CSA certified for a variety of applications.
High Flow Capacity --
Large port areas and straight through flow provide high flow capacity. Cv values are shown below. Figures are based on discharge into conduit rather than atmosphere and are an average between valves with screwed and flanged ends. Cv's are slightly higher for flanged valves and slightly lower for screwed valves.
Pressure Ratings --
KEY PORT VALVE® Series 400 Eccentric Valves with standard cast iron bodies have a W.O.G. non-shock working pressure of 175 psi.
Series 400 Eccentric Valves provide dead-tight shutoff on liquids or gasses at pressure differentials up to the maximums shown at right:
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