Vacuum Valves

Downstream Pressure Control (Manual) - GT 300 series

GT 300 series are available in aluminum or stainless steel, with standard flange connectors in ISO-KF and ISO-F. Customer-specific flanges can be integrated as well as special

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Detailed information

• APPLICATION :

• FEATURES :

Low cost

Easy handle safety lock

Low weight

Long life time

• TECHNICAL DATA :

Operating Method	Manual
Flapper type	Round(Butterfly), Combination, Blade
Round type flapper size (ID)	25mm ~ 300mm (Non-sealing type)
Round type flapper size (ID)	25mm ~ 100mm (Sealing type)
Combination type flapper size(ID)	100mm ~ 300mm (Non-sealing type)
Blade type flapper size(ID)	200mm ~ 500mm (Non-sealing type)
Max temperature on Valve body	Standard 0℃ ~ 150℃ (Optional ; up to 200℃)
Differential Pressure Across Valve	1 atm. (15 psig) max.
External leakage at shaft seal	1x10−9cc/sec, He
Material exposed to process	Al, SUS, Viton(Standard)
Low particle	Tefron bushing
Flange type	NW, ISO, JIS, ANSI(ASA), CF

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