8P80 MUD PUMP

I 8P80 MUD PUMP SPECIFICATIONS：

Maximum Input Horsepower: 800HP(597KW)
Stroke Length : 8-1/2” (216mm)
Rated pump speed, spm : 160
Maximum liner bore, inches (mm) : 6 1/4” (158.8)
Suction connection: 8” ASA-150 lb. R.J. flang
Discharge connection, cross: 4” API-5000 lb. R.J. flang
Gear ratio: 2.463:1

II 8P80 MUD PUMP EXPENDABLES PARTS

6 1/2× 8 1/2                                                                       8-P-80

8P80	PART NO.	PART NO.	Gaskets	PART NO.
Liners & Liner Packing			Valve Cover Gasket	LA-61-0255
SIZES	LINER	LINER PACKING	Cylinder Head Gasket	N/A
4”	LA-0256-40	LAG-0272
4½”	LA-0256-44	LAG-0274
5”	LA-0256-50	LAG-0276
5½”	LA-0256-54	LAG-0278
6”	LA-0256-60	LAG-0280
6¼”	LA-0256-62	LAG-0268
6½”	LA-0256-64	LAG-0268

SERIES	LA-4 WEB	LA-FULL OPEN	LA-G2	LA-ROUGHNECK
VALVE (Urethane Insert)	LA-U5B-EH	LA-6FO-V1	LA-1560995	LA-RN6-V1
VALVE (Rubber Insert)	LA-5B-EH	N/A	N/A	N/A
VALVE SEAT	LA-6ADD-B4	LA-6FO-S4	LA-1561450	LA-RN6-S4
VALVE SPRING	LA-5710-115	LA-5710-115	LA-1560701	LA-5710-115L
VALVE INSERT (Red Thunder)	LA-UDD-6ABHT	N/A	N/A	N/A
VALVE INSERT (Urethane)	LA-UDD-6B	LA-6FO-SI	LA-1560587	LA-RN6-I
VALVE INSERT (Rubber)	LA-DD-6B	N/A	N/A	N/A
VALVE SEAT PULLER HEAD	LA-1700-6	LA-1700-6FO	LA-1700-6G2	LA-1700-6FO

Piston Size	Bonded Pistons	Imperial Piston	Imperial Rubber Kits	Rubber Bonded	Long Life (Urethane)
4”	LA-RT-400	LA-I40HK14/15	LA-I40HK	LA-RB-400	LA-LL-400
4½”	LA-RT-440	LA-I44HK14/15	LA-I44HK	LA-RB-440	LA-LL-440
5”	LA-RT-500	LA-I50HB14/15	LA-I50HB	LA-RB-500	LA-LL-500
5½”	LA-RT-540	LA-I54HB14/15	LA-I54HB	LA-RB-540	LA-LL-540
6”	LA-RT-600	LA-I60HB14/15	LA-I60HB	LA-RB-600	LA-LL-600
6½”	LA-RT-640	LA-I64HB14/15	LA-I64HB	LA-RB-640	LA-LL-640
*1/4 Size are available upon request1/4

RODS
PISTON ROD	LA-0259-A
SUB ROD	LA-0259-B
EXTENSION ROD	LA-16-0259
ROD CLAMP	LA-24-0259
PISTON ROD NUT	LA-7403364

NATIONAL 8P80

FLUID END MODULE AND ACCESSORIES

Item	Part No.	Description	Qty per Pump
1	LA-1291280	Discharge Module, Studded (Included Items 2 – 10)	3
2	LA-1291281	Discharge Module, Only	3
3	LA-6300180	Nut – Frame	24
4	LA-2408026	Stud – Frame	24
5	LA-6300120	Nut – Liner Bushing	18
6	LA-2408025	Stud – Liner Bushing	18
7	LA-6300241	Nut – Suction to Discharge Module	18
8	LA-2408034	Stud – Suction to Discharge Module	18
9	LA-6300220	Nut – Threaded Ring	72
10	LA-2408019	Stud – Threaded Ring1	72
11	LA-1290338	Suction Module, Studded (Included Items 9, 10, 14)	3
12	LA-1290339	Suction Module, Only	3
13	LA-1291165	Bushing – Liner	3
14	LA-1290174	Seal Retainer	6
15	LA-1290307	Valve Cover	6
16	LA-1290178	Screw – Wedge Adjusting	6
17	LA-6300160	Nut – Wedge Adjusting	6
18	LA-1290315	Washer – Wedge Adjusting	6
19	LA-1290308	Threaded Ring	6
20	LA-1290376	Wedge Assembly(included items 21-22)	6
21	LA-1290179	Wedge, Set	6
22	LA-1290181	Spring, Wedge Retaining	6
23	LA-1540126	Gasket – Valve Cover	6
24	LA-1292140	Holder – Valve Guide	6
25	LA-1292141	Insert – Valve Guide	6
26	LA-6511416	Pin, 7/8” × 2″ Dowell	6
27	LA-1290357	1Plate – Wear	3
28	LA-1290342	Connector – Discharge	2
29	LA-7000305-11	Screw, ½” × 1½” Hex Head	16
30	LA-7619050	Washer, ½” Lock	16
31	LA-1290343	Adapter – Discharge Connector	2
32	LA-2410031-348	Packing, Rectangular	2
33	LA-2410031-427	Packing, Rectangular	4
34	LA-1291166	Clamp – Liner	3
35	LA-1590051	Seal – Suction Manifold	3
36	LA-1291286	Spacer – Discharge, Studded(included intems 37-39)	2
37	LA-1291287	Spacer-Discharge	2
38	LA-2402560	Stud – Discharge Spacer	16
39	LA-6300200	Nut – Discharge Spacer	16
40	LA-7006607	Capscrew	16
41	LA-1290344	Seal – Module, Wear Plate	6
42	LA-1290345	Seal-Discharge Spacer	2
43	LA-6908033	Ring, Oval Joint	2
1Offered in Plain Carbon or Stainless Steel1