Premium Hardened Liner the same outer hull in lieu of sleeve to a maximum thickness. It is then machined and polished to a mirror finish.
 
Features:
•   Single high strength forged steel hull construction.
•   Inner bore is nitro carburized and quenched to reach hardness of 60 RC.
•   Corrosion resistance, free deformation.
 
Premium can make the following brand pump liners and more:
 

Emsco	National	Oilwell	Ideco
D300	N1000-1600	6P-HD	MM300
D500	K380	8P-HD	MM500/500F
D550	K500	610P	MM700/700F
D700	K500A	212P	MM600/600F
D375	K700A	214P/14P	MM200
	C150/C150B	218P	MM300
	C250	18P
Gaso	Gardner Denver	Gardner Denver	Ellis Williams
1563	5" x 6" FG FXG	7.5” x 8” FY FXX	15W600
1740-55	5" x 8" FD FXX	7.25" x 12" FZ FXZ	19W1000
2651	5.5" x 8" FD FXX	7.25" x 14" FXN
2652	FC-FXX/FC-FXD	7.25" x 14" FK FXK
	5" x 10" FD FXD	FQ-FXQ
	5.5" x 10" FD FXD	7.25" x 10" FO FXO
	7.5" x 10" FY FXD	4.5" x 6" FG FXG
Drillmec	Russian	Gardner Denver
10D2C	NB125	4x5 TEE Triplex
8D1S	NB80	5-1/2x5 THE Triplex
	NB50	5x8 PAH Triplex
	NB32	PJ-8