NATIONAL 12-P-160 MUD PUMP EXPENDABLE PARTS LIST

PUMP

MODEL

MAX

I.H.P.

MAX

S.P.M.

STROKE

LENGTH

LINER SIZE IN INCHES

4

4 ½

5

5 ¼

5 ½

5 ¾

6

6 ¼

6 ½

6 ¾

7

7 ¼

7 ½

12-P-160

1600

120

12

MAX-P.S.I.

5000

5000

5000

5000

5000

5000

4670

4305

3980

3690

3430

3200

2990

G.P.R.

1.96

2.48

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

235

298

367

404

444

486

529

574

620

670

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

8476-4A

FLUID END ASSEMBLY: (CONSISTS OF ITEMS 3,4,16,17,18,19, 20, 21,22,23,24,25,26,27,28,29,31,32,33,34,&47)

1

1376YXX

LINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX))

3

2

2930-XX

LINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX))

3

3

8476-3

WEARPLATE

3

4

2988

WEARPLATE AND MODULE SEAL (2988U URETHANE AVAILABLE)

6

5

XX-BYY

PISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY))

3

6

568-225

PISTON O-RING

3

7

1286-32

PISTON ROD (WITH ELASTIC STOP NUT)

3

8

API-4ESN

PISTON ROD ELASTIC STOP NUT

3

9

1286-1

SUB ROD

3

10

1286CWY

ROD CLAMP (CONSIST OF 10A, 10B, 10C)  (FOR CLAMP ONLY, USE 1286C)

6

10A

1200H30

HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS)

3

10B

1286CWYFP14

DUAL SPRAY PIPE

3

10C

4020-29

ROD CLAMP BOLT (7/8 X 5” GRADE 8 BOLT WITH LOCK NUT AND WASHER)

12

11

1200G86

PONY ROD

3

12

SEE PAGE

VALVE

6

13

SEE PAGE

VALVE INSERT (IF REQUIRED)

6

14

SEE PAGE

VALVE SPRING

6

15

SEE PAGE

VALVE SEAT

6

SWTM1700

HYDRAULIC SEAT PULLER KIT COMPLETE (REFER TO TOOLS PAGE OF CATALOG FOR DETAILS)

4476-6A

SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY (CONSISTS OF ITEMS 16-23)

6

16

4476

THREADED FLANGE

6

17

4597

SCREW GLAND

6

18

4676-6A

PLUG (COMPLETE WITH VALVE GUIDE, SCREWS, AND BUSHING)

6

19

P119

HP VALVE COVER PLUG SEAL

6

20

4776R

VALVE GUIDE (COMPLETE WITH BUSHING #4700I)

6

21

4700I

VALVE GUIDE BUSHING (4700I URETHANE AVAILABLE)

6

22

4016-98

VALVE GUIDE SCREW

12

23

4015-54

VALVE COVER STUD (WITH SW PART# HHN1500-6 1-1/2-6” HEAVY HEX NUT)

72

24

4015-95

POWER END STUD (WITH SW PART# HHN1375-6 1-3/8”6 HEAVY HEX NUT)

30

25

4017-65

LINER RETAINER FERRY HEAD CAP SCREW

18

26

6476

LINER RETAINER FLANGE

3

8476-4A

FLUID END ASSEMBLY: (CONSISTS OF ITEMS 3,4,16,17,18,19, 20, 21,22,23,24,25,26,27,28,29,31,32,33,34,&47)

1

1376YXX

LINER (REFER TO GUIDE TO ORDERING CHART FOR TYPE (Y) AND FOR SIZE (XX))

3

2

2930-XX

LINER SEAL (REFER TO GUIDE TO ORDERING CHART FOR TYPE AND SIZE (XX))

3

3

8476-3

WEARPLATE

3

4

2988

WEARPLATE AND MODULE SEAL (2988U URETHANE AVAILABLE)

6

5

XX-BYY

PISTON (REFER TO GUIDE TO ORDERING CHART FOR SIZE (XX) AND FOR TYPE (YY))

3

6

568-225

PISTON O-RING

3

7

1286-32

PISTON ROD (WITH ELASTIC STOP NUT)

3

8

API-4ESN

PISTON ROD ELASTIC STOP NUT

3

9

1286-1

SUB ROD

3

10

1286CWY

ROD CLAMP (CONSIST OF 10A, 10B, 10C)  (FOR CLAMP ONLY, USE 1286C)

6

10A

1200H30

HOSE (1/2” X 30” WITH 1/2” MALE X 3/8” MALE CONNECTIONS)

3

10B

1286CWYFP14

DUAL SPRAY PIPE

3

10C

4020-29

ROD CLAMP BOLT (7/8 X 5” GRADE 8 BOLT WITH LOCK NUT AND WASHER)

12

11

1200G86

PONY ROD

3

12

SEE PAGE

VALVE

6

13

SEE PAGE

VALVE INSERT (IF REQUIRED)

6

14

SEE PAGE

VALVE SPRING

6

15

SEE PAGE

VALVE SEAT

6

SWTM1700

HYDRAULIC SEAT PULLER KIT COMPLETE (REFER TO TOOLS PAGE OF CATALOG FOR DETAILS)

4476-6A

SOUTHWEST HP QUICK-CHANGE VALVE COVER ASSEMBLY (CONSISTS OF ITEMS 16-23)

6

16

4476

THREADED FLANGE

6

17

4597

SCREW GLAND

6

18

4676-6A

PLUG (COMPLETE WITH VALVE GUIDE, SCREWS, AND BUSHING)

6

19

P119

HP VALVE COVER PLUG SEAL

6

20

4776R

VALVE GUIDE (COMPLETE WITH BUSHING #4700I)

6

21

4700I

VALVE GUIDE BUSHING (4700I URETHANE AVAILABLE)

6

22

4016-98

VALVE GUIDE SCREW

12

23

4015-54

VALVE COVER STUD (WITH SW PART# HHN1500-6 1-1/2-6” HEAVY HEX NUT)

72

24

4015-95

POWER END STUD (WITH SW PART# HHN1375-6 1-3/8”6 HEAVY HEX NUT)

30

25

4017-65

LINER RETAINER FERRY HEAD CAP SCREW

18

26

6476

LINER RETAINER FLANGE

3

SIZE

PITBULL^®

SINGLE-DURO^®

BULLDOG^®

BLACKCAT^®

HELLCAT^®

GRAYLOY^®

ZIRCONIA

RUBBER

URETHANE

4"

76BDP

76BSD

76BDB

76BBC

76BPP

1376G06

1376ZIR06

2930-06

2930-06U

4 1/2"

78BDP

78BSD

78BDB

78BBC

78BPP

1376G08

1376ZIR08

2930-08

2930-08U

4 3/4"

79BDP

79BSD

79BDB

79BBC

79BPP

1376G09

1376ZIR09

2930-09

2930-09U

5"

81BDP

81BSD

81BDB

81BBC

81BPP

1376G1

1376ZIR1

2930-1

2930-1U

5 1/4"

82BDP

82BSD

82BDB

82BBC

82BPP

1376G2

1376ZIR2

2930-2

2930-2U

5 1/2"

83BDP

83BSD

83BDB

83BBC

83BPP

1376G3

1376ZIR3

2930-3

2930-3U

5 3/4"

84BDP

84BSD

84BDB

84BBC

84BPP

1376G4

1376ZIR4

2930-4

2930-4U

6"

85BDP

85BSD

85BDB

85BBC

85BPP

1376G5

1376ZIR5

2930-5

2930-5U

6 1/4"

86BDP

86BSD

86BDB

86BBC

86BPP

1376G6

1376ZIR6

2930-6

2930-6U

6 1/2"

87BDP

87BSD

87BDB

87BBC

87BPP

1376G7

1376ZIR7

2930-7

2930-7U

6 3/4"

88BDP

88BSD

88BDB

88BBC

88BPP

1376G8

1376ZIR8

2930-8

2930-8U

7"

89BDP

89BSD

89BDB

89BBC

89BPP

1376G9

1376ZIR9

2930-9

2930-9U

7 1/4"

91BDP

91BSD

91BDB

91BBC

91BPP

1376G10

1376ZIR10

2974-11

2974-11U

7 1/2"

92BDP

92BSD

92BDB

92BBC

92BPP

1376G11

-

2974-11

2974-11U

TYPE

VALVE

INSERT

SPRING

STAINLESS

SPRING

SEAT

PULLER HEAD

PULLER HEAD

STYLE

SOUTHWEST (Full Open)

777-8B

N/A

941

N/A

877-8

SWTM4250

SPLIT JAW

FULL OPEN-ROUGHNECK

SWND-7V2

SW5710-115L

N/A

SWND-7S12

SWND-7PH

SWTM40-SN

PANCAKE

SPLIT JAW

FULL OPEN-ROUGHNECK

(High Temp)

SWND-7V2HC

SW5710-115L

N/A

SWND-7S12

SWND-7PH

SWTM40-SN

PANCAKE

SPLIT JAW

FULL OPEN-ROUGHNECK

(w/Replaceable Urethane Insert)

SWND-7V1

SWND-7I

SW5710-115L

N/A

SWND-7S12

SWND-7PH

SWTM40-SN

PANCAKE

SPLIT JAW

3 WEB DOUBLE ANGLE O-RING

SWR0500110

SWR0514275

SWR0513744

SWR0514790

SWR0514299

SWTM3-7T

3 J HOOK

3 WEB (High Temp)

SWR0520502

SW0520501

SWR0513744

SWR0514790

SWR0514299

SWTM3-7T

3 WEB STANDARD PLATE

SWR0505062

SWR0504893

SWR0513937

SWR0514423

SWR0514299

SWTM3-7T

4 WEB

SWU5C-EEF

SWUDD-7B

SW5710-115

N/A

SW7DD-B12

SWTM4-7

4 J HOOK

4 WEB (High Temp)

SWU5C-EEFHT

SWUDD-7BHT

SW5710-115

N/A

SW7DD-B12

SWTM4-7