Ductile iron QT450 pneumatic lug butterfly valve

LTD671X Pneumatic Lug Butterfly Valve

The current identity of this product is pneumatic lug type centerline soft seal butterfly valve. The transmission code 9 in the prototype number LTD971X conflicts with the pneumatic identity. This batch has been corrected to LTD671X. Page caliber DN40-DN600.

Why was the model changed to LTD671X?

According to the valve model coding rules, the transmission code 6 represents pneumatic, and 9 represents electric; The LTD671X pneumatic lug structure is also used in the industry's lug butterfly valve products.

Selection of convex ear pneumatic butterfly valve

Need to confirm the matching of the lug thread with the flange, valve seat material, maximum working pressure difference, gas source pressure, and single or double acting actuator.

More convex ear butterfly valves are availableSelection of convex ear butterfly valve。

Frequently Asked Questions

Can LTD671X pneumatic lug butterfly valve replace the original electric lug butterfly valve?

It is necessary to simultaneously verify the flange interface, structural length, sealing, torque, and on-site air source and control interface. The energy and fault states of pneumatic and electric drives are different, and cannot be directly exchanged based solely on caliber.

Does LTD671X default to EPDM?

It cannot be determined solely based on the model, but should be confirmed according to the actual valve seat material field and order.

Do pneumatic lug butterfly valves necessarily require an oil mist device?

Not necessarily, it should be configured according to the requirements of the actual executing mechanism for gas source treatment and lubrication methods.