... 三通阀 change valve; cross valve; t-cock; t-port valve; t-valve; tee valve; three position valve; three way cock; three way valve; three-position valve; three-way ale; three-way isolating ale; three-way isolating valve; three-way valve; triple (tee) ales; triple (tee) valves; triple vale; triple valve; way valve 双通阀 two-way valve; two-ways valve 四通阀 cro valve; cross cock; cross valve; four port connection valve; four port connection walve; four way cock; four way valve; four-port valve; four-position valve; four-way gate; four-way valve ...
There are some different ways of arranging porting for the four-valve diesel engine, such as two helical intake ports, two tangential intake ports or one helical port and one tangential port etc.