SOUTHWEST MUD PUMP PARTS LIST
8431-A EWECO EQ-2200
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500PSI EWECO EQ-2200 7-1/2” X 12”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ’D
8431-A FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，16，17，18，19,20,21，22,23,24,25,26,27,28,29,32,33,34,36) 1 1376YXX LINER REFER TO GUIDE FOR ORDERING CHART 6 FOR TYPE (G); (Y); AND FOR BORE SIZE (XX) 5
2 2930-XX LINER SEAL 5
3 8490-28 WEARPLATE (WITH 568-443 O-RING) 5
4 2988 WEARPLATE & MODULE SEAL A 10
5 XX-BYY PISTON REFER TO GUIDE FOR ORDERING CHART ON PG. 6 FOR SIZE (XX) AND FOR TYPE (YY) 5
6 568-225 PISTON SEAL 5
7 PISTON ROD (WITH ELASTIC STOP NUT) 5
8 API-4ESN PISTON ROD NUT 5
9 SUB ROD 5
10 ROD CLAMP (WITH WATER JACKET) 10
10A HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 5
10B PIPE (3/8” X 14” GALVANIZED AND THREADED ON ONE END) 5
10C BOLT (7/8-9 GRADE 8 BOLT WITH LOCK NUT AND WASHER) 20
11 PONY ROD (CLAMP TYPE) 5
12 SEE PAGE VALVE 10
13 SEE PAGE VALVE INSERT 10
14 SEE PAGE VALVE SPRING 10
15 SEE PAGE VALVE SEAT 10
SWTM1700 HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section) 1
16 4488-25 VALVE COVER FLANGE 10
17 4588-25 SCREW GLAND 10
18 4690-25A PLUG (COMPLETE WITH VALVE GUIDE; BUSHING; AND SCREWS) INCLUDES ITEMS 19, 20, 21，& 22 10
19 P115 HP VALVE COVER PLUG NITRILE SEAL 10
20 4788-25R VALVE GUIDE (COMPLETE WITH BUSHING #47001) 10
21 4700I VALVE GUIDE BUSHING 10
22 4018-18 VALVE GUIDE SCREW 20
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
SOUTHWEST 7500PSI EWECO EQ-2200 7-1/2” X 12”
ITEM
NO.
PART NO. DESCRIPTION QTY.REQ’D
23 4015-2 VALVE COVER STUD (WITH SW PART# HHN1250-7 1 1/4-7 HEAVY HEX NUT) 120
24 4018-58S POWER END STUD (WITH SW PART# HHN1250-8 1 %-8 HEAVY HEX NUT) 50
25 6490-25 LINER RETAINER FLANGE 5
26 4019-51 LINER RETAINER CAPSCREW 60
27 6590-25 LINER RETAINER NUT 5
28 4019-61 SUCTION MODULE STUD (WITH SW PART# HHN1750-8 1 3/4-8 HEAVY HEX NUT) 30
29 4018-19 SUCTION MANIFOLD CAPSCREW 30
30 SUCTION MANIFOLD 1
31 568-443 SUCTION MANIFOLD SEAL 5
32 8431-2S SUCTION MODULE 5
33 8431-1D DISCHARGE MODULE 5
34 8488-5 DOWEL PIN 10
35 DISCHARGE MANIFOLD 1
36 4017-50C DISCHARGE MANIFOLD STUD (with sw part# HHN1250-8 1 1/4-8 heavy hex nut) 30
37 568-343 DISCHARGE MANIFOLD SEAL 5
SOUTHWEST 7500PSI GUIDE TO ORDERING EWECO EQ-2200
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE DUAL-DURO® BLACK CAT GRAYLOY® ZIRCONIA RUBBER URETHANE
4 1/2″ 78BFS 78BDD 78BBC 1376G08 1376ZIR08 2930-08 2930-08U
4 3/4″ 79BFS 79BDD 79BBC 1376G09 1376ZIR09 2930-09 2930-09U
5″ 81BFS 81BDD 81BBC 1376G1 1376ZIR1 2930-1 2930-1U
5 1/4″ 82BFS 82BDD 82BBC 1376G2 2930-2 2930-2U
5 1/2″ 83BFS 83BDD 83BBC 1376G3 1376ZIR3 2930-3 2930-3U
5 3/4″ 84BFS 84BDD 84BBC 1376G4 1376ZIR4 2930-4 2930-4U
6″ 85BFS 85BDD 85BBC 1376G5 1376ZIR5 2930-5 2930-5U
6 1/4″ 86BFS 86BDD 86BBC 1376G6 1376ZIR6 2930-6 2930-6U
6 1/2″ 87BFS 87BDD 87BBC 1376G7 1376ZIR7 2930-7 2930-7U
6 3/4″ 88BFS 88BDD 88BBC 1376G8 2930-8 2930-8U
7″ 89BFS 89BDD 89BBC 1376G9 1376ZIR9 2930-9 2930-9U
7 1/4″ 90BFS 90BDD 90BBC 1376G10 1376ZIR10 2974-11 2974-11U
7 1/2″ 91BFS 91BDD 91BBC 1376G11 2974-11 2974-11U
VALVES & SEATS (EWECO EQ-2200)
TYPE VALVE INSERT SPRING STAINLESS SPRING SEAT PULLER HEAD PULLER HEAD STYLE
SOUTHWEST (Full Open) 773-1B N/A 941 N/A 873-1 SWTM3750 SPLIT JAW
FULL OPEN-ROUGHNECK (Cast in Place Insert) SWND-6V2 N/A SW5710-115L N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (High Temp) SWND-6V2HC N/A SW5710-115L N/A SWND-6S4 SWND-6PH
SWTM27SXN
PANCAKE SPLIT JAWFULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) SWND-6V1 SWND-6I SW5710-115 N/A SWND6-S4 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 SWR05153744 SWR0514790 SWR0512436 SWTM3-7D
3 WEB STANDARD PLATE SWR0505038 SWR0504890 SWR0515575 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-6AB SW5710-115 N/A SW6ADD-B4 SWTM4-6