|
Exhaust Valve
MG-78 Exhaust Valve
Assembly and Options
|
Item |
Part |
Description |
| |
290182 |
Exhaust
valve,
MG-78
(with
restrictor
kit) |
|
|
290184 |
Boron
carbide
upgrade
for
restrictor
kit,
extended
wear,
Factory
Upgrade
(option) |
| |
502081 |
Boron
carbide
upgrade
for
restrictor
kit,
extended
wear,
Factory
Upgrade
(option) |
|
Pressure System Components
|
Item |
Part
Number |
Description |
| |
290183 |
Rebuild
Kit,
MG-78
(Seat &
gasket,
ball,
diaphragm,
3
screws,
drawing). |
| |
|
Note:
MG-78
castings
must be
in good
condition
to use
PN
290183
effectively. |
|
1 |
753332 |
Valve
body |
|
2 |
753412 |
Seat,
valve
ball
(steel) |
|
3 |
524132 |
Gasket,
seat |
|
4 |
525322 |
Valve
ball
(also
used on
411 &
412
valves) |
|
5 |
553412 |
Spacer
washer,
steel
(1/2" ID
x 2" OD
x 1/4"
thick) |
|
6 |
753392 |
Spacer
ring,
inner |
|
7 |
753402 |
Spacer
ring,
outer |
|
8 |
523672 |
Diaphragm |
|
9 |
753382 |
Cover,
valve |
|
10 |
552842 |
Washer
(1/2" ID
x 2" OD
x 1/16"
thick) |
|
11 |
551962 |
Bolt,
1/2" -
13 x
1-3/4" |
|
12 |
553982 |
Bolt,
3/8" -
16 x 2" |
|
13 |
552762 |
Lock
washer,
3/8" |
|
14 |
551122 |
Screws,
seat,
1/4"- 20
x 1/2"
(pack of
3) |
|
15 |
544512 |
Reducer
bushing,
1-1/4"
MPT x 1"
FPT |
|
Restrictor
Parts |
| |
290218 |
Restrictor
Kit |
|
16 |
502431 |
Ceramic
nozzle
(standard) |
| |
502081 |
Boron
carbide
upgrade
for
restrictor
kit,
customer
installed
(extended
wear) |
|
|
290184 |
Boron
carbide
upgrade
for
restrictor
kit,
factory
installed
(extended
wear) |
|
17 |
552952 |
Washer,
steel |
|
18 |
524062 |
Washer,
nozzle,
NW-1 (1"
ID x
1-1/2"
OD x
1/4"
thick)
(pack of
10) |
|
19 |
524082 |
Washer,
nozzle,
NW-4
(3/4" ID
x 1-1/2"
OD x
1/4"
thick)
(pack of
10) |
|
|
