SOUTHWEST MUD PUMP PARTS LIST
8471A_NATIONAL_8-P-80_5000PSI
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI NATIONAL 8-P-80 6-1/4” X 8-1/2”ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
8471A FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，16，17，18，19,20,21，22,23,24,25,26,27,28,29,32,33,34,47) 31 1371YXX LINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX) 3
2 2971-XX LINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX) 3
3 8495-3 WEARPLATE 3
4 2988 WEARPLATE AND MODULE SEAL 6
5 XX-BYY PISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY) 3
6 568-225 PISTON SEAL 3
7 6271-32 PISTON ROD (WITH ELASTIC STOP NUT) 3
8 API-4ESN PISTON ROD NUT 3
9 6271-1 SUB ROD 3
10 1271CWY ROD CLAMP (WITH WATER JACKET)(CONSIST OF 10A，10B，10C) 3
10A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
10B 1286CWYFP13 PIPE (3/8” X 13” GALVANIZED AND THREADED ON ONE END) 3
10C 4020-29 BOLT (5/8-6” GRADE 8 BOLT WITH LOCK NUT AND WASHER) 12
11 6200G71 PONY ROD 3
12 SEE PAGE VALVE 6
13 SEE PAGE VALVE INSERT 6
14 SEE PAGE VALVE SPRING 6
15 SEE PAGE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section of catalog for details.)
4467A SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY: (consist of items no. 16-23) 6
16 4467 VALVE COVER THREADED FLANGE 6
17 4567 VALVE COVER SCREW GLAND 6
18 4667A PLUG (COMPLETE WITH VALVE GUIDE; SCREWS; AND BUSHING) 6
19 P128 HP VALVE COVER PLUG SEAL 6
20 4760-3R VALVE GUIDE (complete with bushing #47001) 6
21 4700I VALVE GUIDE BUSHING (also available in urethane – part# 4700IU) 6
22 4016-98 VALVE GUIDE SCREW 12
23 4015-5 VALVE COVER STUD (WITH SW PART# HHN1375-6 1-3/8”-6” HEAVY HEX NUT) 72
24 4016-6 POWER END STUD (WITH SW PART# HHN1125-7 1-1/8”7 HEAVY HEX NUT) 24
25 4017-59 LINER RETAINER STUD (with sw part# HHN0750-10 %”-10 heavy hex nut) 18
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 5000 PSI NATIONAL 8-P-80 6-1/4” X 8-1/2”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ，D
26 6471 LINER RETAINER FLANGE 3
27 6571 LINER RETAINER NUT 3
28 4017-1 SUCTION MODULE STUD (WITH SW PART# HHN1500-8 1-1/2”-8 HEAVY HEX NUT) 18
29 4018-19 SUCTION MANIFOLD CAP SCREW (with lock washer) 24
30 8571 SUCTION MANIFOLD (front or side inlet) 1
31 AJO235 SUCTION MANIFOLD GASKET 3
32 8471-2S SUCTION MODULE (STUDDED ONLY) 3
33 8471-1D DISCHARGE MODULE (studded ONLY) 3
34 8488-5 DOWEL PIN 6
ITEMS NUMBERS 35 THRU 46 ARE NOT SHOWN INTENTIONALL Y.
47 4018-18 DISCHARGE CONNECTOR CAP SCREW (with lock washer) 16
48 4018-27 DISCHARGE SPACER FLANGE SOCKET HEAD CAP SCREW 16
49 8367-1 DISCHARGE CONNECTOR 2
50 8367-2 DISCHARGE ADAPTER 2
51 8367-3 BACK-UP RING 4
52 DISCHARGE SPACER FLANGE 2
53 2967-3 DISCHARGE SPACER FLANGE SEAL 2
54 2967-1 DISCHARGE CONNECTOR / ADAPTER PACKING 2
55 2967-2 DISCHARGE CONNECTOR / ADAPTER PACKING 4
56 R39D RING GASKET 2
57 4017-45 DISCHARGE SPACER FLANGE STUD (with sw part# HHN1250-7 1-i/4”-7 heavy hex nut) 16
58 5000 5BFLANGE BLIND FLANGE
59 9070015 PONY ROD SEAL
60 80491192 BAFFLE
SOUTHWEST 5000 PSI NATIONAL 8-P-80 GUIDE TO ORDERING
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE DUAL-DURO® GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 1371G06 1371ZIR06 2971-06 2971-06U
4 1/4″ 77BFS 77BDD 1371G07 2971-07 2971-07U
4 1/2″ 78BFS 78BDD 1371G08 1371ZIR08 2971-08 2971-08U
4 3/4″ 79BFS 79BDD 1371G09 2971-09 2971-09U
5″ 81BFS 81BDD 1371G1 1371ZIR1 2971-1 2971-1U
5 1/4″ 82BFS 82BDD 1371G2 2971-2 2971-2U
5 1/2″ 83BFS 83BDD 1371G3 1371ZIR3 2971-3 2971-3U
5 3/4″ 84BFS 84BDD 1371G4 2971-4 2971-4U
6″ 85BFS 85BDD 1371G5 1371ZIR5 2971-5 2971-5U
6 1/4″ 86BFS 86BDD 1371G6 2971-6 2971-6U
6 1/2″ 87BFS 87BDD 1371ZIR7 2971-7 2971-7U
6 3/4″ 88BFS 88BDD 2971-8 2971-8U
VALVES & SEATS (NATIONAL 8-P-80)
TYPE VALVE INSERT SPRING STAINLESS
SPRING
SEAT PULLER HEAD PULLER HEAD STYLESOUTHWEST (Full Open) 773-1B N/A SW5710-110L N/A 873-1 SWTM3750 SPLIT JAW
FULL OPEN-ROUGHNECK (Cast N Place Insert Valve) SWND-6V2 N/A SW5710-115 N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (High Temp) SWND-6V2HC NA SW5710-115 N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-6V1 SWND-6I SW5710-115 N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAW3 WEB DOUBLE ANGLE O-RING SWR0500119 SWR0515845 SWR0513744 SWR0514790 SWR0512436 SWTM3-7D
3 WEB (High Temp) SWR0520586 SWR0520585 SWR0513744 SWR0514790 SWR0512436 SWTM3-7D 3 J HOOK
3 WEB STANDARD PLATE SWR0505038 SWR0504890 SWR0513744 SWR0515576 SWR0512436 SWTM3-7D
4 WEB SWU5B-EH SWUDD-6AB SW5710-115 N/A SW6ADD-B4 SWTM4-6 4 J HOOK
4 WEB (High Temp) SWU5B-EHHT SWUDD-6ABHT SW5710-115 N/A SW6ADD-B4 SWTM4-6
TORQUE SPECIFICATIONS FOR 8471A SOUTHWEST FLUID END ASSEMBLY
FOR NATIONAL 8-P-80 5000 P.S.I.
TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)
PART NUMBER DESCRIPTION COPPERCOTE MOLY GREASE DRY (NOT RECOMMENDED)
API-4 ESN PISTON ROD NUT NO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION
4020-29 ROD CLAMP BOLT 150 MAXIMUM
4015-5 VALVE COVER STUD 876 1270 1751
4016-6 POWER END STUD 465 675 931
4017-59 LINER RETAINER STUD 188 282 376
4017-1 SUCTION MODULE STUD 1397 2025 2794
4018-19 SUCTION MANIFOLD CAPSCREW 215 322 430
4018-27 DISCHARGE SPACER FLANGE SOCKET HEAD CAP SCREW 908 1363 1817
4017-45 DISCHARGE SPACER FLANGE STUD 757 1098 1514