We can give you single vane pumps in 
SARVA HYDRAULIK.
 SARVA HYDRAULIK S7BS pump is rated for 350 bar max intermittent pressure, the maximum pressure a pump can take against the same type of pump in the industry.
 S6ED pump is a very versatile pump and can give a flow from 11 liters to 80 liters.
 The design of the 
SARVA HYDRAULIK  pump is as per the 
DENISON T7B design.
 SARVA HYDRAULIK S7BS pump 12 vane design makes it a very silent pump.