Valves&Seats are the main accessories in mud pump fluid end assemblies. and they are among the most expandable part list in oil drilling operations.

All valves&seats are made of high quality alloy structural steel based on strict process of drawings.
The products are highly polished, more wear resistant and durable.

Item	Spec.	Inset#	Equip. Model#	Item	Spec.	Equip. Model#
Valves	YL-FT-4	YL-JP-4	3YL200.HB-3.75-0	Valve Seat	YL-FZ-4	3YL200.DBS-4-0
			3YL180.OPI-4-0			5YL200.DBS-4-0
			5YL200.SPM-4-0			5YL200.DBS-3.5-0
			3YL200.DBS-3.75-0			3YL200.DBS-3.75-0
			3YL200.DBS-4-0			5YL200.SPM-4-0
			5YL200.DBS-4-0			5YL280.QH-3.75-0
			5YL200.DBS-3.5-0			5YL280.QHJR-3.75-0
			5YL250.QH-4-0			5YL280.QH-4-0
			5YL280.QH-3.75-0		YL-FZ-5	3YL200.DBS-4.5-0
			5YL280.QH-4-0			5YL200.DBS-4.5-0
			5YL280.QHJR-3.75-0			3YL200.SPM-4.5-0
			3YL180.SJ-4-0			3YL200.SPM-5-0
			3YL200.SJ-4.5-0			3YL200.DBS-5-0
	YL-FT-5	YL-JP-5	3YL200.SPM-4.5-0			5YL200.DBS-5-0
			3YL200.SPM-5-0		3YL200.DBS-5.5-3	3YL200.DBS-5.5-0
			3YL180.OPI-4.5-0			5YL200.DBS-5.5-0
			3YL180.OPI-5-0			5YL200.DBS-6-0
			3YL200.DBS-4.5-0		P60-3.5-3	P60-3.5-0
			3YL200.DBS-5-0			P60-4.5-0
			5YL200.DBS-4.5-0			5YL200.SPM-3.5-0
			5YL200.DBS-5-0		5YL140.HQS-4-3	5YL140.QH-3.375-0
			3YL150.RR-4.5-0			5YL140.QH-4-0
			3YL200.HB-4.5-0			5YL140.HQS-3.375-0
			3YL200.HB-5-0			5YL140.HQS-4-0
	5YL140.HQS-4-5	5YL140.HQS-4-4	5YL140.HQS-3.375-0
			5YL140.HQS-4-0
			5YL140.QH-3.375-0
			5YL140.QH-4-0
			5YL200.QH-3.375-0
			3YL200.QH-4-0
	3YL200.QH-4.5-5	3YL200.QH-4.5-4	3YL200.QH-4.5-0
	P60-30-5	P60-30-4	P60-2.5-0
			P60-2.75-0
			P60-30-0
	P60-3.5-5	P60-3.5-4	5YL200.SPM-3.5-0
			P60-3.5-0
			P60-4-0
			P60-4.5-0
	3YL200.DBS-5.5-5	3YL200.DBS-5.5-4	3YL200.DBS-5.5-0
			5YL200.DBS-5.5-0
			5YL200.DBS-6-0
	3YL150.RR-3.375-5	3YL150.RR-3.375-4	3YL150.RR-3.75-0
			3YL150.RR-3.375-0
			3YL150.RR-4-0