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®

PUMP MAX MAX STROKE LINER SIZE IN INCHES

MODEL I.H.P. S.P.M. LENGTH 4 ½” 4 ¾” 5” 5 ¼” 5 ½” 5 ¾” 6” 6 ¼” 6 ½” 6 ¾” 7” 7 ¼” 7 ½”

FC-1600 1600 120 12”

MAX-P.S.I. 7500 7449 6723 6098 5556 5083 4669 4303 3978 3689 3430 3197 2988

G.P.R. 2.48 2.76 3.06 3.37 3.70 4.05 4.41 4.78 5.17 5.58 6.00 6.43 6.88

G.P.M. @ 120 R.P.M. 297 331 367 405 444 486 529 574 621 669 720 772 826

NOTE: I.H.P.= INPUT HORSE POWER S.P.M.= STROKE 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

OILFIELD PRODUCTS, INC. MUD PUMP EXPENDABLE PARTS LIST

SOUTHWEST 8490-25A FLUID END

FOR EMSCO FC-1600

MUD PUMP PERFORMANCE CHART

V:\7500 psi Pump Triplex\EMSCO FC 1600 7500psi\8490-25A_EMSCO_FC-1600_7500PSI.pdf REV. F 6/17/2015

FLUID END TYPE MODEL OF PUMP SIZE OF PUMP

SOUTHWEST 7500 PSI EMSCO FC-1600 7-1/2” X 12”

ITEM

NO.

PART NO.

DESCRIPTION

QTY.

REQ’D

8490-25A 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 FOR TYPE (G); (Y); AND FOR BORE SIZE (XX)) 3

2 2930-XX LINER SEAL 3

3 8490-28 LINER WEARPLATE 3

4 2988 WEARPLATE AND MODULE SEAL 6

5 XX-BYY PISTON (REFER TO - GUIDE FOR ORDERING CHART ON FOR SIZE (XX) AND FOR TYPE (YY)) 3

6 568-225 PISTON SEAL 3

6284H25A PISTON ROD ASSEMBLY (INCLUDES ITEM NO. 7, 8, 9, & 10)

7 6278H-25 PISTON ROD (WITH ELASTIC STOP NUT) 3

8 API-4ESN PISTON ROD NUT 3

9 1290-2 PISTON ROD CONNECTING STUD 3

10 6284H-1 SUB ROD 3

11 6274CW ROD CLAMP (WITH WATER JACKET)(CONSIST OF 11A, 11B, 11C) 3

11A 1200H30 HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS) 3

11B 1200140 PIPE ( 1/2” NPT X 12” LONG GALVANIZED AND THREADED ON ONE END) 3

11C 4018-91 BOLT (5/8-11 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 21, 22, &23) 6

20 P115 HP VALVE COVER PLUG NITRILE SEAL 6

21 4788-25R VALVE GUIDE (COMPLETE WITH BUSHING #4700I) 6

22 4700I VALVE GUIDE INSERT 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 PSI EMSCO FC-1600 7-1/2” X 12”

ITEM

NO.

PART NO.

DESCRIPTION

QTY.

REQ’D

25 4019-52 POWER END STUD (WITH SW PART# HHN1500-8 1 1/2"-8 HEAVY HEX NUT) 18

26 568-447 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 4019-54 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 8490-26 SUCTION MODULE 3

35 8490-27 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

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

6576-23A OPTIONAL – HYDRAULIC LINER RETAINER

** POLYURETHANE SEALS AVAILABLE **

A

DATE

DATECHECKED BY

06/05/2014

06/11/2014JM

D

C

B

A

B

C

D

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8 7 6 5 4 3 2 1

A

DRAWN BY

MATERIAL

HEAT TREAT

10340 WALLISVILLE ROAD, HOUSTON,TX 77013

SOUTHWEST OILFIELD PRODUCTS

PRODUCTS IS PROHIBITED. SHEET 1 OF 1

UNLESS OTHERWISE SPECIFIED:

REV.DWG. NO.

B

SIZE

TITLE:

SURFACE FINISH 125 RMS MAXCHAMFERS 1/16 X 45° MAX

CONCENTRICITY NOT TO EXCEED.005 T.I.R.BREAK SHARP CORNERS 1/32 X 45° MAX

6284H25A

PISTON ROD ASSY

N/A

N/A

THIRD ANGLE PROJECTION

ALL FILLETS & RADII - 1/16 MAX

DIMENSIONS ARE IN INCHESTOLERANCES:FRACTIONAL 1/64ANGULAR: 0.5° DECIMAL +.005 / -.000

THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF SOUTHWEST OILFIELD PRODUCTS.

ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF SOUTHWEST OILFIELD

MG

ITEM NO. PART NO. DESCRIPTION

1 API-4ESN PISTON ROD NUT

2 6284H-1 SUB ROD

3 6278H-25 PISTON ROD

4 1290-2 CONNECTING STUD

1 43 2

THIS CROSS USES BX-TYPE RING JOINT GASKETS FOR SEALING.

THE DISCHARGE MANIFOLD FLANGE.

THE 8376-26A DISCHARGE STRAINER CROSS ASSEMBLY IS DESIGNED FOR USE ON MUD PUMP DISCHARGE MANIFOLDS AND HAS A WORKING PRESSURE RATING OF 7,500 PSI.

THIS CROSS FEATURES A STRAINER THAT IS ACCESSED BY REMOVING A BLIND FLANGE FROM THE OPPOSITE SIDE OF

CONTENTS

OVERVIEW1.NOMENCLATURE2.FACE SIZES & BOLT PATTERNS3.BILL OF MATERIALS4.

8376-26A DISCHARGE STRAINER CROSS ASSEMBLYOVERVIEW

DATE REVISION DESCRIPTION

01/22/1998 0 INITIAL RELEASE

08/16/2012 A REDRAWN IN SOLIDWORKS

10/29/2013 B ADDED RAISED FACE TO WELD NECK FLANGE

03/20/2014 C ADDED NOTES, RE-ARRANGED DRAWING VIEWS

08/20/2014 D REFORMATTED PRINT ACCORDING TO MFG ENG REQUEST

REV.

D

C

AA

B

C

D

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8 7 6 5 4 3 2

EF

1

D

BH

7500 PSI SOUTHWEST FLUID ENDSDISCHARGE CROSS ASSEMBLY FOR

CHECKED BY

08/20/2014

DATE

PRODUCTS IS PROHIBITED.

TITLE:

SIZE

B

DWG. NO.

8376-26ASHEET 1 OF 4

SOUTHWEST OILFIELD PRODUCTS10340 WALLISVILLE ROAD, HOUSTON,TX 77013

B

DRAWN BY DATE

THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF SOUTHWEST OILFIELD PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF SOUTHWEST OILFIELD

08/20/2014

PULSATION DAMPENER FACE

*RIGHT MUD LINE FACE

STRAINER CLEAN OUT FACE

*LEFT MUD LINE FACEBOTTOM FACE

DISCHARGE MANIFOLD FACE

*HAND OF MUD LINES IS DETERMINED BY LOOKING FROM THE DISCHARGE MANIFOLD TOWARD THE CROSS

D

C

AA

B

C

D

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D8376-26A

DISCHARGE CROSS ASSEMBLY FOR 7500 PSI SOUTHWEST FLUID ENDS



TITLE:

SIZE

B

DWG. NO. REV.

SHEET 2 OF 4


B

DRAWN BY DATE

DATECHECKED BY

BH 08/20/2014

EF 08/20/2014

8376-26A DISCHARGE STRAINER CROSS ASSEMBLYNOMENCLATURE

PULSATION DAMPENER FACE

FLANGE SIZES

FACE DESCRIPTION GASKET ORIENTATION

PULSATION DAMPENER 4-1/16" API 6BX, 10K BX-155 CENTERED

DISCHARGE MANIFOLD 5-1/8" API 6BX, 10K BX-169 STRADDLED

STRAINER CLEAN OUT 5-1/8" API 6BX, 10K BX-169 STRADDLED

RIGHT MUD LINE 5-1/8" API 6BX, 10K BX-169 CENTERED

LEFT MUD LINE 5-1/8" API 6BX, 10K BX-169 CENTERED

BOTTOM FACEPLATFORM CONNECTION

N/A CENTERED

8376-26A DISCHARGE STRAINER CROSS ASSEMBLYFLANGE SIZES AND BOLT PATTERN ORIENTATION

CENTEREDSTRADDLED

BOLT PATTERN ORIENTATION

D

C

AA

B

C

D

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D8376-26A




TITLE:

SIZE

B

DWG. NO. REV.

SHEET 3 OF 4


B

DRAWN BY DATE

DATECHECKED BY

BH 08/20/2014

EF 08/20/2014

DISCHARGE MANIFOLD FACE

BOTTOM FACE

8X 2132" 1

58"

3/4-10 UNC 118"

ON 9-1/2" BOLT CIRCLE

LEFT MUD LINE FACE

STRAINER CLEAN OUT FACE

RIGHT MUD LINE FACE

17

26

5

3

4

14.655

7.500

D

C

AA

B

C

D

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D8376-26A




TITLE:

SIZE

B

DWG. NO. REV.

SHEET 4 OF 4


B

DRAWN BY DATE

DATECHECKED BY

BH 08/20/2014

EF 08/20/2014

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

NOTE: FOR 4019-56 TAP END STUD BOLTS, TORQUE NUTS TO 670 FT-LBS WITH API MODIFIEDTHREAD COMPOUND PER API RP 5A3, SOUTHWEST HI PRO 4000 OR EQUAL

8376-26A DISCHARGE STRAINER CROSS ASSEMBLYBILL OF MATERIALS

17"

15"

15"

SIZE FAIL-SAFE DUAL-DURO® BLACK CAT GRAYLOY

® ZIRCONIA RUBBER URETHANE

4" 76BFS 76BDD 76BBC 137G06 1376ZIR06 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

NOTE: DUAL-DURO® AND GRAYLOY® ARE REGISTERED TRADEMARKS OF SOUTHWEST® OILFIELD PRODUCTS.

SOUTHWEST 7500PSI EMSCO FC-1600 GUIDE TO ORDERING

LINERSPISTONS LINER SEALS

2-PIECE STUDDED PISTON ROD ASSEMBLYCOMPLETE ASSEMBLY PISTON ROD CONNECTING STUD SUB ROD

6284-25A 6278-25 1290-2 6284-1

VALVE INSERT SPRINGSTAINLESS

SPRINGSEAT PULLER HEAD

PULLER HEAD

STYLE

773-1B N/A SW5710-110L N/A 873-1 SWTM3750 SPLIT JAW

SWND-6V2 N/A SW5710-115 N/A SWND-6S4SWND-6PH

SWTM27SXN

PANCAKE

SPLIT JAW

SWND-6V2HC N/A SW5710-115 N/A SWND-6S4SWND-6PH

SWTM27SXN

SWND-6V1 SWND-6I SW5710-115 N/A SWND-6S4SWND-6PH

SWTM27SXN

SWR0500119 SWR0515845 SWR0513744 SWR0514790 SWR0512436 SWTM3-7D

SWR0520586 SWR0R0520585 SWR0513744 SWR0514790 SWR0512436 SWTM3-7D

SWR0505038 SWR0504890 SWR0515575 SWR0515576 SWR0512436 SWTM3-7D

SWU5B-EH SWUDD-6AB SW5710-115 N/A SW6ADD-B4 SWTM4-6

SWU5B-EHHT SWUDD-6ABHT SW5710-115 N/A SW6ADD-B4 SWTM4-6

SPLIT JAW

VALVES & SEATS (EMSCO FC-1600)

3 WEB STANDARD PLATE

4 WEB

FULL OPEN-ROUGHNECK

(High Temp)

FULL OPEN-ROUGHNECK

(w/Replaceable Urethane Insert)

PANCAKE

SPLIT JAW

3 J HOOK

4 J HOOK

PANCAKE

FULL OPEN-ROUGHNECK

3 WEB DOUBLE ANGLE O-RING

TYPE

SOUTHWEST (Full Open)

3 WEB (High Temp)

4 WEB (High Temp)

4 J HOOK3 J HOOK

9

5 1

11

2

6

12

10

7

8

3

4

ITEM NO. PART NO. DESCRIPTION QTY.

1 6576-23-2 HOUSING 1

2 6576-22-5 BELLVILLE SPRING RETAINING RING 1

3 6576-22-6 BELLVILLE SPRING 2

4 6576-23-3 PISTON 1

5 6490-25 LINER RETAINER FLANGE 1

6 6576-23-4 GLAND NUT 1

7 6576-23-9 SMALL PISTON SEAL 1

8 6576-22-10 LARGE PISTON SEAL 1

9 568-454 O-RING 1

10 0.25-NPT 1/4-18 NPT PLUG 8

11 4019-51 FERRY HEAD CAP SCREW 12

12 1376ZIRC LINER 1

NOTES:

1. ITEM 12 IS SHOWN FOR ILLUSTRATION PURPOSES ONLY; IT IS NOT SOLD WITH THE KIT AND MUST BE ORDERED SEPARATELY.

2. 4570 PSI IS THE MAXIMUM PRESSURE REQUIRED TO COMPRESS THE SPRINGS. DO NOT EXCEED THIS PRESSURE DURING OPERATION OF THE HYDRAULIC HAND PUMP.

3. ALSO INCLUDED WITH THE SYSTEM BUT NOT SHOWN IN THIS DIAGRAM ARE:- 6600-20-1-1 (3/4" FEMALE NPT QUICK DISCONNECT)- 6600-20-1-6 (PIPE ADAPTER)- 6600-20-1-18 (DUST CAP)

ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT

D

C

AA

B

C

D

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B6576-23ATHE WRITTEN PERMISSION OF SOUTHWEST OILFIELD

EMSCO FC-1600 & FD-1600 7500 PSIN/A

N/A


HYDRAULIC LINER RETAINER FOR

SOLE PROPERTY OF SOUTHWEST OILFIELD PRODUCTS. THE INFORMATION CONTAINED IN THIS DRAWING IS THE

01/24/2014


HEAT TREAT

TITLE:

SIZE

BDWG. NO. REV.


SHEET 1 OF 1


MATERIAL

B

DRAWN BY DATE

DATECHECKED BY

BH 06/17/2015

JM

DIMENSIONS ARE IN INCHESTOLERANCES:FRACTIONAL 1/64ANGULAR: 0.5° DECIMAL +.005 / -.000ALL FILLETS & RADII - 1/16 MAX CHAMFERS 1/16 X 45° MAXSURFACE FINISH 125 RMS MAXCONCENTRICITY NOT TO EXCEED.005 T.I.R.BREAK SHARP CORNERS 1/32 X 45° MAX

ITEM NO. PART NO. DESCRIPTION QTY.1 8590-6BF SUCTION MANIFOLD BLIND FLANGE 12 568-456 O-RING 1

NOTE:

THIS FLANGE IS EQUAL TO EMSCO# 6317-0074-001.SW PART# 568-456 O-RING IS EQUAL TO EMSCO# 7602-1600-522.

1

A8590-6BFA

SUCTION MANIFOLD BLIND

ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT

D

C

AA

B

C

D

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8 7 6 5 4 3

N/A


THE INFORMATION CONTAINED IN THIS DRAWING IS THE

THE WRITTEN PERMISSION OF SOUTHWEST OILFIELD

FLANGE ASSEMBLY FOR 8590-6

SOLE PROPERTY OF SOUTHWEST OILFIELD PRODUCTS.

N/A

2

SUCTION MANIFOLD

CHECKED BY

MG 06/13/2014

JM 06/17/2014


HEAT TREAT

TITLE:

SIZE

B

DWG. NO. REV.


SHEET 1 OF 1


MATERIAL

B

DRAWN BY DATE

DATE

DIMENSIONS ARE IN INCHESTOLERANCES:FRACTIONAL 1/64ANGULAR: 0.5° DECIMAL +.005 / -.000ALL FILLETS & RADII - 1/16 MAX CHAMFERS 1/16 X 45° MAXSURFACE FINISH 125 RMS MAXCONCENTRICITY NOT TO EXCEED.005 T.I.R.BREAK SHARP CORNERS 1/32 X 45° MAX

FRONT VIEW

BACK VIEW

2

1

PART NUMBER DESCRIPTION COPPERCOTE MOLY GREASE DRY (NOT RECOMMENDED)

API-4 ESN PISTON NUT

4018-91 BOLT

4018-18 VALVE GUIDE SCREW 53 80 107

4015-2 VALVE COVER STUD 669 970 1338

4019-52 POWER END STUD 1397 2025 2794

4019-51 LINER RETAINER CAPSCREW 188 282 376

4019-54 SUCTION MODULE STUD 2275 3299 4550

4019-60 DISCHARGE MANIFOLD STUD 757 1098 1514

TORQUE SPECIFICATIONS FOR 8490-25A SOUTHWEST FLUID END ASSEMBLY

EMSCO FC-1600 7500 P.S.I.

TORQUE TYPE (EXPRESSED IN FOOT-POUNDS)

NO MORE FORCE THAN ONE MAN ON 3' WRENCH/CHEATER COMBINATION

150 MAXIMUM

Southwest Oilfield Products 10340 Wallisville Road, Houston, TX 77013 Office 713-675-7541

8490-25A FLUID END FOR EMSCO FC-1600 REVISION SUMMARY

REVISION DATE REASON OF CHANGE

REV A 4/23/14 CHANGED ITEM 26 TO PART NO. 568-447 (WAS PART NO. 568-443)

REV B 5/12/14 UPDATE DRAWING NO. 8376-26A FROM REV. B TO REV.C

REV C 6/11/14 ADDED PART NO. 6284H25A TO PARTS LIST AND ATTACHED THE ASSEMBLY DRAWING TO CATALOG

REV D 6/30/14 ADDED 8590-6BFA DRAWING TO CATALOG ALSO INCLUDED NOTE ON PARTS LIST

REV E 12/17/14 ADDED DRAWING NO. 6576-23A AND NOTED ON PARTS LIST AS OPTIONAL.

REV F 6/17/15 UPDATED DRAWING 6576-23A HYDRAULIC LINER RETAINER

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