We are offering throttle modular valves.Features this valve is of the modular design improved from the check valve fitted in the p port or t port to prevent the oil from flowing in the reverse direction.with a valve of size 01, 03, 04, 06 the check valve is incorporated between a, b port and t port. This check modular valve of a certain type can be used for suction. [!vmcatalogdiv] [!vmcatalogdiv class=clear-fix] [!vmcatalogdiv id=product-tabs] ratingsmc*mcp*ordering code [!vmcatalogdiv id=tab-1] [!vmcatalogdiv style=margin-top:40px;]