SOUTHWEST MUD PUMP PARTS LIST
8476-25A_NATIONAL_12-P-160_7500PSI
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500 P.S.I. NATIONAL 12P-160 7-1/2” X 12”
ITEM
NO.
PARTNO.
DESCRIPTION QTY.REQ，D
FLUID END ASSEMBLY (CONSISTS OF ITEMS 3,4，16，17，18，19,20,21，22,23,24,25,26,27,28,29,31，32,33,34,36,37,38)
1 LINER (REFER TO- GUIDE FOR ORDERING CHART FOR TYPE (G); (Y); AND FOR BORE SIZE (XX) 3
2 2930-XX LINER SEAL (REFER TO- GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX)) 3
3 8476-3 WEARPLATE 3
4 2988 WEARPLATE，AND DISCHARGE MANIFOLD SEAL 6
5 XX-BYY PISTON (REFER TO- GUIDE FOR ORDERING CHART FOR SIZE (XX) AND TYPE (YY)) 3
6 568-225 PISTON O-RING 3
7 1286-32 PISTON ROD (WITH ELASTIC STOP NUT) 3
8 API-4ESN PISTON ROD ELASTIC STOP NUT 3
9 1286-1 SUB ROD 3
10 1286CWY ROD CLAMP (CONSIST OF 10A，10B，10C) (FOR CLAMP ONLY，USE 1286C) 6
10A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
10B 1286CWYFP14 PIPE (3/8” X 14” GALVANIZED AND THREADED ON ONE END) 3
10C 4020-29 BOLT (7/8 – 9 GRADE 8 BOLT WITH LOCK NUT AND WASHER) 12
11 1200G86 PONY ROD 3
12 SEE PAGE VALVE 6
13 SEE PAGE VALVE INSERT (IF required) 6
14 SEE PAGE VALVE SPRING 6
15 SEE PAGE VALVE SEAT 6
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools page of catalog for details) 1
16 4488-25 THREADED FLANGE 6
17 4588-25 SCREW GLAND 6
18 4690-25A PLUG (COMPLETE WITH VALVE GUIDE，BUSHING，AND SCREWS; INCLUDES ITEMS 20, 21，& 22) 6
19 P115U HP VALVE COVER PLUG NITRILE SEAL 6
20 4788-25R VALVE GUIDE (COMPLETE WITH BUSHING #47001) 6
21 4700IU VALVE GUIDE BUSHING 6
22 4018-18 VALVE GUIDE SCREW 6
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500 P.S.I. NATIONAL 12P-160 7-1/2” X 12”
ITEM QTY.
NO. PART NO. DESCRIPTION REQ，D
23 4015-2 VALVE COVER STUD (WITH SW PART# HHN1250-7 1 1/4-7 HEAVY HEX NUT) 72
24 4015-95 POWER END STUD (WITH SW PART# HHN1375-6 1 3/8-6 HEAVY HEX NUT) 30
25 6476 LINER RETAINER FLANGE 3
26 4017-65 LINER RETAINER FERRY HEAD CAP SCREW 18
27 6576 LINER RETAINER NUT 3
28 4019-54 SUCTION MODULE STUD (WITH SW PART# HHN1750-8 1 3/4-8 HEAVY HEX NUT) 18
29 4018-19 SUCTION MANIFOLD CAP SCREW (with lock washer) 24
30 8576-50 SUCTION MANIFOLD (front or side inlet) 1
31 AJO419R SUCTION MANIFOLD GASKET 3
32 8476-26S SUCTION MODULE 3
33 8476-27D DISCHARGE MODULE 3
34 8488-5 DOWEL PIN 6
35 8376-25MOD DISCHARGE MANIFOLD 1
36 4019-60 DISCHARGE MANIFOLD STUD (with sw part# HHN1250-7 1 1/4-7 heavy hex nut) 18
37 LW500 LOCKWASHER 6
38 LW875 LOCKWASHER 24
39 9070012 PONY ROD SEAL 12
40 80491292 SPLASH GUARD 3
SOUTHWEST 7500 PSI 12-P-160 GUIDE TO ORDERING
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4″ 76BFS 76BDD 76BBC 1376G06 2930-06 2930-06U
4 1/2″ 78BFS 78BDD 78BBC 1376G08 1376ZIR08 2930-08 2930-08U
4 3/4″ 79BFS 79BDD 79BBC 1376G09 2930-09
5″ 81BFS 81BDD 81BBC 1376G1 1376ZIR1 2930-1 2930-1U
5 1/4″ 82BFS 82BDD 82BBC
5 1/2″ 83BFS 83BDD 83BBC 1376G3 1376ZIR3 2930-3 2930-3U
5 3/4″ 84BFS 84BDD 84BBC 1376G4 2930-4 2930-4U
6″ 85BFS 85BDD 85BBC 1376G5 1376ZIR5 2930-5 2930-5U
6 1/4″ 86BFS 86BDD 86BBC 1376G6 2930-6 2930-6U
6 1/2″ 87BFS 87BDD 87BBC 1376G7 1376ZIR7 2930-7 2930-7U
VALVES & SEATS 12-P-160
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 SWND-6V2 N/A SW5710-115 N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (High Temp) SWND-6V2HC N/A 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 J HOOK
3 WEB (High Temp) SWR0520586 SWR0520585 SWR0513744 SWR0515576 SWR0512436 SWTM3-7D
3 WEB STANDARD PLATE SWR0505038 SWR0504890 SWR0515575 SWR0514790 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-6AB SW5710-115 N/A SW6ADD-B4 SWTM4-6
ITEM NO. PART NUMBER DESCRIPTION QTY.
1 8376-26 DISCHARGE CROSS FOR 7500 PSI SWFE 1
2 8290-26RD STRAINER 1
3 4019-56 STUD 48
4 HHN1125-7 1-1/8-7 HEAVY HEX NUT 48
5 BX-155 4-1/16″ RING JOINT GASKET 1
6 BX-169 5-1/8″ RING JOINT SEAL 4
7 10000-5BFLANGE API 6A 10000# TYPE 6BX 5-1/8 BLIND FLANGE 1