Bi-directional knife gate valve
6" - 36", 300 psi | HD300 series
ITT Engineered Valves
Size Range
HD150: 6” – 36“ (DN 150 - 900)
HD300: 6” – 36“ (DN 150 - 900)
Other sizes available, contact factory
Valve Body Pressure-Temperature Rating
The following table is the maximum working pressure ratings
of the valve body only. If resilient seals are used, the
seal ratings determine the practical limitation in actual
service conditions.
Temperature Rating
Metal Replaceable Seats:
• Per Body Rating.
Metal Replaceable Seats with Secondary Resilient Seal:
• HNBR seal (standard): -50°F (-46°C) to 280°F (138°C)
• EPDM seal (optional): -35°F (-37°C) to 280°F (138°C)
Flange Drilling
HD150: ANSI 125/150 Series A Drilling Standard.
HD300: ANSI 300 Series A Drilling Standard.
Contact factory for alternate flange drilling.
HD150: 6” – 36“ (DN 150 - 900)
HD300: 6” – 36“ (DN 150 - 900)
Other sizes available, contact factory
Valve Body Pressure-Temperature Rating
The following table is the maximum working pressure ratings
of the valve body only. If resilient seals are used, the
seal ratings determine the practical limitation in actual
service conditions.
Temperature Rating
Metal Replaceable Seats:
• Per Body Rating.
Metal Replaceable Seats with Secondary Resilient Seal:
• HNBR seal (standard): -50°F (-46°C) to 280°F (138°C)
• EPDM seal (optional): -35°F (-37°C) to 280°F (138°C)
Flange Drilling
HD150: ANSI 125/150 Series A Drilling Standard.
HD300: ANSI 300 Series A Drilling Standard.
Contact factory for alternate flange drilling.
