Mud Pumps Liners

Destination:

The liners are used as spare parts at mud pump from oil well, providing the operation in liner-piston-piston rod assembly.
Working medium: drilling mud, water, other fluids with similar characteristics.

---

---

Constructive characateristics:

---

The liners are designed in accordance with the API specification 6A requirements, being made by high characteristics steel which provide one proper operation in severe conditions.
The metal wear surfaces are hardened and heat treated to obtain a minimum 60 HRC harness.

---

Technical and operating characteristics:

---

• nominal pressure (bar) is reproduced in following tables;
• working temperature: max. 90°C.

---

Technical and dimensional characteristics

---

Pump type	Nominal diameter, Dn (inches)	Nominal pressure, Pn (bar)	Net weight, kos
2 PN 700	8	210	49
	7 ¾		57
	7 ½		68
	7 ¼		75,5
	7		84,5
	6 ¾		93
	6 ½		100
	6 ¼		108
	6		115,6
	5 ¾		122
	5 ½		129
	5 ¼		136
	5		142,78
3PN 465	7 ¼	210	30,8
	7		37,7
	6 ¾		44,7
	6 ½		51,2
	6 ¼		57,3
	6		63,5
	5 ¾		69,2
	5 ½		76,8
	5 ¼		80,0
	5		84,7
	4 ¾		90,1
	4 ½		94,4
2 PN 400	4 ½	200	90,90
	4 ¾		86,30
	5		81,40
	5 ¼		76,60
	5 ½		71,40
	5 ¾		66,00
	6		60,20
	6 ¼		55,00
	6 ½		48,20
	6 ¾		41,70
2 PN 400	7	76	35,00
	7 ¼		28,30
2 PN 160	3	300	28,00
	3 ½		27,00
	4		22,40
	5		9,10
R5 x 10	3	300	34,30
	3 ½		29,25
	4		24,70
	4 ½		16,06
	5		10,70