Wilden India offers 51 mm SD Equalizer. Wilden India is an ISO 9001:2000 and ISO 14001:2004 certified company. 51 mm SD Equalizer is designed to remove pressure variation on the discharge of the pump. This equalizer automatically sets and maintains the correct air pressure required optimizing its effectiveness. The 51 mm SD Equalizer is applicable in chemical, sanitary and pharmaceuticals industries.