Southwest mud pump parts68

SOUTHWEST MUD PUMP PARTS LIST
OEM_National_8-P-80

FLUID END TYPEMODEL OF PUMPSIZE OF PUMP
OEM 5000 PSINATIONAL 8-P-806-1/4” X 8-1/2”
ITEM

NO.

PART NO.DESCRIPTIONQTY.

REQ’D

11371YXXLINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX)3
22971-XXLINER SEAL (refer to guide to ordering chart for type and size (xx)3
38495-3WEARPLATE3
42988WEARPLATE AND MODULE SEAL6
5XX-BYYPISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY)3
6568-225PISTON SEAL3
76271-32PISTON ROD (WITH ELASTIC STOP NUT)3
8API-4ESNPISTON ROD NUT3
96271-1SUB ROD3
101271CWYROD CLAMP (WITH WATER JACKET) (CONSIST OF 10A, 10B, 10C)3
10A1200H30HOSE (1/2, X 30, WITH 1/2, MALE X 3/8, MALE CONNECTIONS)3
10B1286CWYFP13PIPE (3/8” X 13” GALVANIZED AND THREADED ON ONE END)3
10C4020-29BOLT (5/8-11” GRADE 8 BOLT WITH LOCK NUT AND WASHER)12
116200G71PONY ROD3
12SEE PAGEVALVE6
13SEE PAGEVALVE INSERT6
14SEE PAGEVALVE SPRING6
15SEE PAGESEAT6
SWTM1700HYDRAULIC SEAT PULLER KIT COMPLETE (refer to tools section of catalog for details.)
4467ASOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY: (consist of items no. 16-23)6
164467THREADED FLANGE6
16A4667-1ADAPTER RING6
174567SCREW GLAND6
184667APLUG (COMPLETE WITH VALVE GUIDE; SCREWS; AND BUSHING)6
18A%,,- NPTSTEEL PIPE PLUG (1/4,,NPT FORGED STEEL)6
19P128HP VALVE COVER PLUG SEAL (ALSO AVAILABLE IN URETHANE – PART# P128U)6
204760-3RVALVE GUIDE (complete with bushing #47001)6
214700IVALVE GUIDE BUSHING (ALSO AVAILABLE IN URETHANE-PART# 4700IU)6
224016-98VALVE GUIDE SCREW12
234015-5VALVE COVER STUD (WITH SW PART# HHN1375-6 1-3/8”-6” HEAVY HEX NUT)72
244018-47POWER END STUD (WITH SW PART# HHN1125-7 1-1/8”7 HEAVY HEX NUT)24
254017-48LINER BUSHING STUD (WITH SW PART# HHN0750-10 %”-10 HEAVY HEX NUT)18
2680561192LINER BUSHING3
2780661192LINER CLAMP (WITH %”-10 GRADE 5 BOLT ; LOCK NUT AND WASHER)3
FLUID END TYPEMODEL OF PUMPSIZE OF PUMP
OEM 5000 PSINATIONAL 8-P-806-1/4” X 8-1/2”
ITEM

NO.

PART NO.DESCRIPTIONQTY.

REQ’D

284017-1SUCTION MODULE STUD (WITH SW PART# HHN1500>8 1-1/2,,-8 HEAVY HEX NUT)18
294018-19SUCTION MANIFOLD CAP SCREW (with lock washer)24
308571SUCTION MANIFOLD (front or side inlet)1
31AJO235SUCTION MANIFOLD GASKET3
328471-52SSUCTION MODULE (studded only)-3
338471-53DDISCHARGE MODULE (studded only)3
348488-5DOWEL PIN6
NATIONAL “WEDGE LOCK” VALVE COVER ASSEMBLY: (QTY. REQ’D P/ASSY. CONSISTING OF ITEMS NO. 35-46)
354016-34VALVE COVER STUD (WITH SW PART# HHN1375-6 1-3/8”-6 HEAVY HEX NUT)12
3680803092VALVE COVER FLANGE (THREADED RING)1
3780703092VALVE COVER1
3880871092WEDGE ADJUSTING SCREW1
3980061003WEDGE ADJUSTING NUT1
4080513092WEDGE ADJUSTING WASHER1
4180971092LOCKING WEDGE ASSEMBLY (consisting of 6-wedging and 1-spring)1
4280181092WEDGE SPRING1
4380471092SEAL RETAINER1
44AJO250UVALVE COVER GASKET (u=urethane/r=rubber)1
4580141292VALVE GUIDE INSERT1
4680041292INSERT HOLDER1
474018-18DISCHARGE CONNECTOR CAP SCREW (with lock washer)16
484018-27DISCHARGE SPACER FLANGE SOCKET HEAD CAP SCREW16
498367-1DISCHARGE CONNECTOR2
508367-2DISCHARGE ADAPTER2
518367-3BACK-UP RING4
52DISCHARGE SPACER FLANGE2
532967-3DISCHARGE SPACER FLANGE SEAL2
542967-1DISCHARGE CONNECTOR / ADAPTER PACKING2
552967-2DISCHARGE CONNECTOR / ADAPTER PACKING4
56R39DRING GASKET2
574017-45DISCHARGE SPACER FLANGE STUD (WITH SW PART# HHN1250-7 1-1/4”-7 HEAVY HEX nut)16
585000 5BFLANGEBLIND FLANGE

OEM STYLE NATIONAL 8-P-80 GUIDE TO ORDERING

PISTONS                                                       LINERS                                                       LINER SEALS

SIZEFAIL-SAFEDUAL-DURO®GRAYLOY®ZIRCONIARUBBERURETHANE
4″76BFS76BDD1371G061371ZIR062971-062971-06U
4 1/4″77BFS77BDD1371G072971-072971-07U
4 1/2″78BFS78BDD1371G081371ZIR082971-082971-08U
4 3/4″79BFS79BDD1371G092971-092971-09U
5″81BFS81BDD1371G11371ZIR12971-12971-1U
5 1/4″82BFS82BDD1371G22971-22971-2U
5 1/2″83BFS83BDD1371G31371ZIR32971-32971-3U
5 3/4″84BFS84BDD1371G42971-42971-4U
6″85BFS85BDD1371G51371ZIR52971-52971-5U
6 1/4″86BFS86BDD1371G62971-62971-6U
6 1/2″

VALVES & SEATS OEM NATIONAL 8-P-80

TYPEVALVEINSERTSPRINGSTAINLESS

SPRING

SEATPULLER HEADPULLER HEAD STYLE
SOUTHWEST (Full Open)773-1BN/ASW5710-110LN/A873-1SWTM3750SPLIT JAW
FULL OPEN-ROUGHNECK (Cast N Place Insert Valve)SWND-6V2N/ASW5710-115N/ASWND-6S4SWND-6PH

SWTM27SXN

PANCAKE SPLIT JAW
FULL OPEN-ROUGHNECK (High Temp)SWND-6V2HCNASW5710-115N/ASWND-6S4SWND-6PH

SWTM27SXN

PANCAKE SPLIT JAW
FULL OPEN-ROUGHNECK (w/Replaceable Urethane Insert)SWND-6V1SWND-6ISW5710-115N/ASWND-6S4SWND-6PH

SWTM27SXN

PANCAKE SPLIT JAW
3 WEB DOUBLE ANGLE O-RINGSWR0500119SWR0515845SWR0513744SWR0514790SWR0512436SWTM3-7D
3 WEB (High Temp)SWR0520586SWR0520585SWR0513744SWR0514790SWR0512436SWTM3-7D3 J HOOK
3 WEB STANDARD PLATESWR0505038SWR0504890SWR0513744SWR0515576SWR0512436SWTM3-7D
4 WEBSWU5B-EHSWUDD-6ABSW5710-115N/ASW6ADD-B4SWTM4-64 J HOOK
4 WEB (High Temp)SWU5B-EHHTSWUDD-6ABHTSW5710-115N/ASW6ADD-B4SWTM4-6

TORQUE SPECIFICATIONS FOR OEM STYLE FLUID END ASSEMBLY FOR NATIONAL 8-P-80 5000 P.S.I.

TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)

PART NUMBERDESCRIPTIONCOPPERCOTEMOLY GREASEDRY (NOT RECOMMENDED)
API-4 ESNPISTON ROD NUTNO MORE FORCE THAN ONE MAN ON 3′ WRENCH/CHEATER COMBINATION
4020-29ROD CLAMP BOLT150 MAXIMUM
4015-5VALVE COVER STUD87612701751
4018-47POWER END STUD5868501172
4017-48LINER BUSHING STUD120174240
4017-1SUCTION MODULE STUD139720252794
4018-19SUCTION MANIFOLD CAPSCREW215322430
4016-34VALVE COVER STUD87612701751
4018-27DISCHARGE SPACER FLANGE SOCKET HEAD CAP SCREW90813631817
4017-45DISCHARGE SPACER FLANGE STUD75710981514
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