National JWS 400 Mud Pump Fluid End Expendables

LINERS

LINER
GASKETS

PISTONS

PISTON
RUBBERS

SIZE

PART
NUMBER

PART
NUMBER

URETHANE
BONDED

RUBBER BONDED

REPLACE
RUBBER

PART
NUMBER

4"

TS-4701-40HP

G-272

LLU-40-K15

LL-40-K15

I-40-K15

TM-40-KR

4 1/2"

TS-4701-44HP

G-274

LLU-44-B15

LL-44-B15

I-44-B15

TM-44-BR

5"

TS-4701-50HP

G-276

LLU-50-B15

LL-50-B15

I-50-B15

TM-50-BR

5 1/2"

TS-4701-54HP

G-278

LLU-54-B15

LL-54-B15

I-54-B15

TM-54-BR

5 3/4"

TS-4701-56HP

-

LLU-56-B15

LL-56-B15

I-56-B15

TM-56-BR

6"

TS-4701-60HP

G-280

LLU-60-B15

LL-60-B15

I-60-B15

TM-60-BR

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

VALVES, SEATS, SPRINGS

GASKETS

4 WEB
DESIGN

3 WEB
DESIGN

FULL OPEN
( 1 )

FULL OPEN
( 2 )

PART NUMBER

VALVE

-

-

-

-

-

-

SEAT

-

-

-

-

-

-

SPRING

-

-

-

-

-

-

INSERT
(Urethane)

-

-

-

-

-

-

INSERT
(Rubber)

-

-

-

-

-

-

PISTON ROD & EXTENSION ROD

ROD CLAMP

PISTON
ROD
STUD

PISTON
NUT

THREADED TYPE
PISTON ROD

CLAMP TYPE
PISTON ROD

SUB ROD

THREADED TYPE
EXTENSION ROD

CLAMP TYPE
EXTENSION ROD

-

-

TM-NUT

-

TM400-A

TM400-B

-

TM-400C

FLUID END MODULE

SUCTION MODULE

DISCHARGE MODULE

MODULE SEAL SET

STUDS & NUTS SET

-

-

-

-