Description
SOUTHWEST MUD PUMP PARTS LIST
8404-25A_BOMCO_F-1600_7500PSI
| FLUID END TYPE | MODEL OF PUMP | SIZE OF PUMP | ||
| SOUTHWEST 7500 P.S丄 | BOMCO F-1600 | 7 1/2，，X 12” | ||
| ITEM NO. | PART NO. | DESCRIPTION | QTY. REQ’D | ||||
| 8404-25A | FLUID END ASSEMBLY: (CONSISTS OF ITEMS: 3,4，17，18，19,20,21，22,23,24,25,26,27,28,29,30,31，34,35,36,38,39,41，42) | ||||||
| 1 | 1376YXX | LINER REFER TO GUIDE FOR ORDERING CHART ON PG. 6 FOR TYPE (G); (Y); AND FOR BORE SIZE (XX) | 3 | ||||
| 2 | 2930-XX | LINER SEAL (ALSO AVAILABLE IN URETHANE PART# 2930-XXU) | 3 | ||||
| 3 | 8490-28 | LINER WEARPLATE (WITH 568-443 O-RING) WHEN USING P-QUIP LRS，USE 8490-34 WEARPLATE —- SEE PRODUCT BULLETIN SW-PB-103 REV. C | 3 | ||||
| 4 | 2988 | WEARPLATE AND MODULE SEAL (also available in urethane part# 2988U) | 6 | ||||
| 5 | XX-BYY | PISTON REFER TO GUIDE FOR ORDERING CHART ON PG. 6 FOR SIZE (XX) AND FOR TYPE (YY) | 3 | ||||
| 6 | 568-225 | PISTON SEAL | 3 | ||||
| 7 | 6278-25 | PISTON ROD (WITH ELASTIC STOP NUT)(FOR 2-PIECE STUDDED PISTON ROD ASSEMBLY PART NO. 6284-25A) | 3 | ||||
| 8 | API-4ESN | PISTON ROD NUT | 3 | ||||
| 9 | 1290-2 | PISTON ROD CONNECTING STUD | 3 | ||||
| 10 | 6284-1 | SUB ROD | 3 | ||||
| 11 | 6274CWY | ROD CLAMP (WITH WATER JACKET) | 3 | ||||
| 11A | 1200H30 | HOSE (1/2，，X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) | 3 | ||||
| 11B | 1286CWYFP | ROD CLAMP WATER SPRAY MANIFOLD WITH PIPE | 3 | ||||
| 11C | 4020-29 | BOLT (7/8-9 GRADE 8 BOLT WITH LOCK NUT AND WASHER) | 6 | ||||
| 12 | 1200G74 | PONY ROD | 3 | ||||
| 13 | SEE PAGE | VALVE | 6 | ||||
| 14 | SEE PAGE | VALVE INSERT | 6 | ||||
| 15 | SEE PAGE | VALVE SPRING | 6 | ||||
| 16 | SEE PAGE | VALVE SEAT | 6 | ||||
| SWTM1700 | HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section in catalog) | 1 | |||||
| 17 | 4488-25 | VALVE COVER FLANGE | 6 | ||||
| 18 | 4588-25 | SCREW GLAND | 6 | ||||
| 19 | 4690-25A | PLUG (COMPLETE WITH VALVE GUIDE; BUSHING; AND SCREWS) INCLUDES ITEMS 20, 21，22, &23 | 6 | ||||
| 20 | P115 | HP VALVE COVER PLUG NITRILE SEAL (also available in urethane part # P115U) | 6 | ||||
| 21 | 4788-25R | VALVE GUIDE (complete with bushing #47001) | 6 | ||||
| 22 | 4700I | VALVE GUIDE INSERT (also available in urethane part # 4700IU) | 6 | ||||
| 23 | 4018-18 | VALVE GUIDE SCREW | 12 | ||||
| 24 | 4015-2 | VALVE COVER STUD (WITH SW PART# HHN1250-7 1 1/4″-7 HEAVY HEX NUT) | 72 | ||||
| FLUID END TYPE | MODEL OF PUMP | SIZE OF PUMP | ||
| SOUTHWEST 7500 P.S丄 | BOMCO F-1600 | 7 1/2，，X 12” | ||
| ITEM NO. | PART NO. | DESCRIPTION | QTY. REQ’D |
| 25 | 4017-33 | POWER END STUD (WITH SW PART# HHN1500-8 1 1/2″-8 HEAVY HEX NUT) | 30 |
| 26 | 568-443 | WEARPLATE ‘O’ RING | 3 |
| 27 | 6490-25 | LINER RETAINER FLANGE | 3 |
| 28 | 4019-51 | LINER RETAINER CAPSCREW | 36 |
| 29 | 6590-25 | LINER RETAINER NUT | 3 |
| 30 | 4019-61 | SUCTION MODULE STUD (WITH SW PART# HHN1750-8 1 3/4″-8 HEAVY HEX NUT) | 18 |
| 31 | 4018-19 | SUCTION MANIFOLD CAPSCREW | 18 |
| 32 | 8590-6 | SUCTION MANIFOLD | 1 |
| 33 | 568-442 | SUCTION MANIFOLD ‘O’ RING | 3 |
| 34 | 8404-26 | SUCTION MODULE | 3 |
| 35 | 8404-27 | DISCHARGE MODULE | 3 |
| 36 | 8488-5 | DOWEL PIN | 6 |
| 37 | 8376-25MOD | DISCHARGE MANIFOLD | 1 |
| 38 | 4019-60 | DISCHARGE MANIFOLD STUD (with sw part# HHN1250-7 1 1/4″-7 heavy hex nut) | 18 |
| 39 | 2988 | DISCHARGE MANIFOLD SEAL | 3 |
| 40 | 6490-25P | LINER RETAINER PULLER | 1 |
| 41 | LW875 | LOCKWASHER 7/8 | 18 |
| 42 | LW500 | LOCKWASHER ^ | 12 |
| 8590-6BFA | BLIND FLANGE IS AVAILABLE FOR CAPPING UNUSED FLANGES ON 8590-6 SUCTION MANIFOLD – (8590-6BFA INCLUDES 8590-6BF BLIND FLANGE AND 568-456 O-RING) SEE SEPARATE PG. FOR DETAILS | ||
** POLYURETHANE SEAL AVAILABLE **
SOUTHWEST 7500 P.S.I. BOMCO F-1600 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 1/4″ | 77BFS | 77BDD | 77BBC | 1376G07 | 2930-07 | 2930-07U | |
| 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″ | 91BFS | 91BDD | 91BBC | 1376G10 | 1376ZIR10 | 2974-11 | 2974-11U |
| 7 1/2″ | 92BFS | 92BDD | 92BBC | 1376G11 | 2974-11 | 2974-11U | |
| 2-PIECE STUDDED 1 | PISTON RO | ASSEMBLY | |||||
| COMPLETE ASSEMBLY | PISTON ROD | CONNECTING STUD | SUB ROD | ||||
| 6284-25A | 6278-25 | 1290-2 | 6284-1 | ||||
VALVES & SEATS (BOMCO F-1600)
PULLER HEAD
| TYPE | VALVE | INSERT | SPRING | STAINLESS SPRING | SEAT | PULLER HEAD | STYLE |
| SOUTHWEST (Full Open) | 773-1B | N/A | SW5710-110L | N/A | 873-1 | SWTM3750 | SPLIT JAW |
| FULL OPEN-ROUGHNECK (Cast N Place Insert) | SWND-6V2 | N/A | SW5710-115 | N/A | SWND-6S4 | SWTM27SXN SWND-6PH | SPLIT JAW PANCAKE |
| FULL OPEN-ROUGHNECK (High Temp) | SWND-6V2HC | N/A | SW5710-115 | N/A | SWND-6S4 | SWTM27SXN SWND-6PH | SPLIT JAW PANCAKE |
| FULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert) | SWND-6V1 | SWND-6I | SW5710-115 | N/A | SWND-6S4 | SWTM27SXN SWND-6PH | SPLIT JAW PANCAKE |
| 3 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 | 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-6ABHT | SW5710-115 | N/A | SW6ADD-B4 | SWTM4-6 |
TORQUE SPECIFICATIONS FOR 8404-25A SOUTHWEST FLUID END ASSEMBLY
BOMCO F-1600 7500 PSI
TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)
| PART NUMBER | DESCRIPTION | MOLY GREASE | DRY (NOT RECOMMENDED) |
| API-4 ESN | PISTON ROD NUT | NO MORE FORCE THAN ONE MAN ON A 3f | WRENCH/CHEATER COMBINATION |
| 1290-2 | PISTON ROD CONNECTING STUD | 2025 | 2794 |
| 4020-29 | BOLT | 455 | 606 |
| 4018-18 | VALVE GUIDE SCREW | 80 | 107 |
| 4015-2 | VALVE COVER STUD | 970 | 1338 |
| 4017-33 | POWER END STUD | 1995 | 2752 |
| 4019-51 | LINER RETAINER CAPSCREW | 282 | 376 |
| 4019-61 | SUCTION MODULE STUD | 3299 | 4550 |
| 4019-60 | DISCHARGE MANIFOLD STUD | 1098 | 1514 |