The Pyrolysis gas / Decking valve is one of the key device of ethylene cracker equipment which is named as its application. The Pyrolysis gas / Decking valve is installed in the ethylene cracker furnace outlet and two sets of valves for each furnace. One is used for cutting off the ethylene cracker gas from pipeline, other one is used for cutting off the decking gas from pipeline.
Our Pyrolysis gas / decking valve can be supplied in metal seated and soft seated. Metal seated type includes double disk parallel type gate valve, and double disk wedge type gate valve. Soft seated pyrolysis gas / decking valve supplies as flat gate valve. Largest size up to 48 inch and higher working temperature can be reached 550¡æ.
Performance£º
¡ñ Manufacture£ºANSI B16.34
¡ñ End Connection£ºANSI B16.5 150Lb 300Lb
¡ñ Inspection£ºDIN 3230 Part III
¡ñ Face to Face£ºANSI B16.10
Features£º
¡ñ Welding structure;
¡ñ Stellite seat supplies high performance of anti-corrosion and anti-abrasive with longer life;
¡ñ Two pieces guiding fin fully controled disk movement;
¡ñ The seat is being completely proted during valve fully open and closed
¡ñ All valve¡¯s internals can be renewable from top or buttom
¡ñ The cleasing port is set on the valve top or buttom
¡ñ Double path is designed. When the valve fully opened, the valve is worked as straight pipe line and solid medium cannot enter the inside of valve body.
¡ñ Operation: handwheel, gear, motor and manual
