Apex International supplies Deep Well Hand Pumps. Apex International is an ISO 9001:2000 certified company. The Deep Well Hand Pumps include UPVC brass lined cylinder assembly with foot valves assemblies and extractable plunger and 50mm diameter open top. It is suitable to use for water level setting depth up to 45 Meter. These Afridev Deep Well Hand Pumps feature Stroke Length: 225&plsmn; 6mm and MS/SS Connecting Rod Diameter: 10mm.