®

SOUTHWEST
OILFIELD PRODUCTS, INC.
MUD PUMP EXPENDABLE PARTS LIST
7500 PSI SOUTHWEST FLUID END
F/ BOMCO F-1600
®

MUD PERFORMANCE CHART

PUMP MAX MAX STROKE LINER SIZE IN INCHES
MODEL I.H.P. S.P.M. LENGTH 4 1/2 4 3/4 5 5 1/2 6 6 1/4 6 1/2 6 3/4 7 7 1/4 7 1/2
MAX-P.S.I. 7500 7449 6723 5556 4669 4303 3978 3689 3430 3197 2988
F-1600 1600 120 12"
G.P.R. 2.479 2.762 3.06 3.703 4.406 4.781 5.171 5.577 5.998 6.434 6.885
G.P.M. @ 120 R.P.M. 297.4 331.4 367.2 444.3 528.8 573.7 620.6 669.2 719.7 772 826.2

NOTE: I.H.P.= INPUT HORSE POWER S.P.M.= STROKES PER MINUTE P.S.I.= POUNDS PER SQUARE INCH G.P.R.= GALLONS PER REVOLUTION
*MAX-P.S.I. CALCULATIONS DO NOT EXCEED MAXIMUM FLUID END PRESSURE RATINGS
BASED ON 100% VOLUMETRIC EFFICIENCY AND 90% MECHANICAL EFFICIENCY
SOUTHWEST BOMCO F-1600 7500 psi 7 1/2" X 12"
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
ITEM QTY.
NO. PART NO. DESCRIPTION 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)
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 3
3 8490-28 LINER WEARPLATE (WITH 568-443 O-RING) 3
4 2988 ** WEARPLATE AND MODULE SEAL 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) 3
8 API-4 ESN PISTON ROD NUT *TORQUE TO 2600 FT.LBS 3
9 1290-2 PISTON ROD CONNECTING STUD *TORQUE TO 2000 FT.LBS 3
10 6284-1 SUB ROD 3
11 6274-CWY ROD CLAMP (WITH WATER JACKET) 3
11A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3
11B 1286-CWYFP ROD CLAMP WATER SPRAY MANIFOLD WITH PIPE 3
11C 4020-29 BOLT (7/8-9 GRADE 8 BOLT WITH LOCK NUT AND WASHER) *TORQUE TO 450 FT.LBS 6
12 1200G-74 PONY ROD 3
13 SEE PAGE 6 VALVE COMPLETE 6
14 SEE PAGE 6 VALVE INSERT 6
15 SEE PAGE 6 VALVE SPRING 6
16 SEE PAGE 6 VALVE SEAT 6
HP-1700 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 P-115 ** HP VALVE COVER PLUG NITRILE SEAL 6
21 4788R-25 VALVE GUIDE (COMPLETE WITH BUSHING #4700-I) 6
22 4700-I ** VALVE GUIDE INSERT 6

** POLYURETHANE SEAL AVAILABLE 2988-U; P-115U; 2930-XXU; 4700-IU

APPROVED BY: DATE: PAGE 1 OF 2

FILE# H:\ASSEMBLY\8404-25A.DOC REVISED BY: REVISION DATE: REVISION:
SOUTHWEST BOMCO F-1600 7500 psi 7 1/2" X 12"
FLUID END TYPE MODEL OF PUMP SIZE OF PUMP
ITEM QTY.
NO. PART NO. DESCRIPTION REQ’D
23 4018-18 VALVE GUIDE SCREW *TORQUE TO 80 FT.LBS 12
24 4015-2 VALVE COVER STUD (WITH 1 1/4"-7 HEAVY HEX NUT) *TORQUE TO 1350 FT.LBS 72
25 4017-33 POWER END STUD (WITH 1 1/2"-8 HEAVY HEX NUT) *TORQUE TO 2350 FT.LBS 30
26 568-443 WEARPLATE 'O' RING 3
27 6490-25 LINER RETAINER FLANGE 3
28 4019-51 LINER RETAINER CAPSCREW *TORQUE TO 285FT.LBS 36
29 6590-25 LINER RETAINER NUT 3
30 4019-61 SUCTION MODULE STUD (WITH 1 3/4"-8 HEAVY HEX NUT) *TORQUE TO 3600 FT.LBS 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 1 1/4"-7 HEAVY HEX NUT) *TORQUE TO 1400 FT.LBS 18
39 2988** DISCHARGE MANIFOLD SEAL 3
40 6490-25P LINER RETAINER PULLER 1

** POLYURETHANE SEAL AVAILABLE 2988-U; P-115U; 2930-XXU; 4700-IU

APPROVED BY: DATE: PAGE 2 OF 2

FILE# H:\ASSEMBLY\8404-25A.DOC REVISED BY: REVISION DATE: REVISION:
 SOUTHWEST 7500PSI BOMCO F-1600 GUIDE TO ORDERING
PISTONS LINERS LINER SEALS
SIZE FAIL-SAFE DUAL-DURO® GRAYLOY ®
CHROME CERAMIC RUBBER URETHANE
4" 76-BFS 76-BDD 1376G-06 1376C-06 1376CER-06 2930-06 2930-06U
4 1/4" 77-BFS 77-BDD 1376G-07 1376C-07 1376CER-07 2930-07 2930-07U
4 1/2" 78-BFS 78-BDD 1376G-08 1376C-08 1376CER-08 2930-08 2930-08U
4 3/4" 79-BFS 79-BDD 1376G-09 1376C-09 1376CER-09 2930-09 2930-09U
5" 81-BFS 81-BDD 1376G-1 1376C-1 1376CER-1 2930-1 2930-1U
5 1/4" 82-BFS 82-BDD 1376G-2 1376C-2 1376CER-2 2930-2 2930-2U
5 1/2" 83-BFS 83-BDD 1376G-3 1376C-3 1376CER-3 2930-3 2930-3U
5 3/4" 84-BFS 84-BDD 1376G-4 1376C-4 1376CER-4 2930-4 2930-4U
6" 85-BFS 85-BDD 1376G-5 1376C-5 1376CER-5 2930-5 2930-5U
6 1/4" 86-BFS 86-BDD 1376G-6 1376C-6 1376CER-6 2930-6 2930-6U
6 1/2" 87-BFS 87-BDD 1376G-7 1376C-7 1376CER-7 2930-7 2930-7U
6 3/4" 88-BFS 88-BDD 1376G-8 1376C-8 1376CER-8 2930-8 2930-8U
7" 89-BFS 89-BDD 1376G-9 1376C-9 1376CER-9 2930-9 2930-9U
7 1/4" 91-BFS 91-BDD 1376G-10 1376C-10 1376CER-10 2974-11 2974-11U
7 1/2" 92-BFS 92-BDD 1376G-11 1376C-11 1376CER-11 2974-11 2974-11U
7 3/4"
8"
8 1/4"
8 1/2"

VALVES & SEATS

TYPE VALVE INSERT SPRING STAINLESS SPRING SEAT PULLER HEAD
ND SERIES SWND-6-V1 SWND-6-I SW5710-115 N/A SWND-6-S4 SWTM-27SXN
*DBL-ANGLE O-RING SWR-0500119 SWR-0515845 SWR-0513744 SWR-0514790 SWR-0512436 SWTM 3-7D
* CENTER GUIDED VALVES AND SEATS

NOTE: DUAL-DURO® AND GRAYLOY® ARE REGISTERED TRADEMARKS OF SOUTHWEST OILFIELD PRODUCTS, INC.
APPROVED BY: DATE: REVISED BY:
FILE# ACAD\PROJECTS\BOMCO\F-1600\8404-25A.6 REVISION DATE: REVISION

Pg. 6