• Delrin plastic handle prevents body heat transfer
• Oversized check valves for smooth controlled operation
• Mash proof vent valve (No Needle Valve)
• A patented non-oil based lubricant is used on all moving parts
• Dual O-Rings on all pistons to ensure zero leakage

Portable Hand pumps are essential for hydraulic field testing and calibration of field devices such as pressure transmitters, gauges or switches. Meriam’s line of ergonomically engineered, high quality hand pumps are designed for ease of use and reliability. All models provide the high performance required for all your range of applications; from very low to high pneumatic pressures and for very high pressure hydraulic systems.