Masoneilan 78-80H & 08-80H Transfer Valves Instruction Manual
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© 2021 Baker Hughes Company. All rights reserved.
7. Maintenance
Rubber is used in various parts of the transfer valve. Periodical exchange of this rubber every five
years is recommended. Your valve will be checked and repaired at our factory if a check or a repair
becomes necessary. Contact our agent or sales office for a check or a repair.
Part
N°
Part Name
Material
Qty
1
Body
AC 4B-F CHROMATE
1
2
Housing
ADC 12/CHROMATE
1
3
Plug
SUS303/NBR
1
4
Piston
A2017BE-T6
CHROMATE/NBR
1
7
Spring
SUS304-WPB
1
8
O-Ring
NBR
1
9
O-Ring
NBR
1
10
O-Ring
NBR
1
11
O-Ring
NBR
1
13
Bottom Cap
SUS303
1
14
Filter
SUS304
2
16
Spring Case
ADC12/CHROMATE
1
17
Adjust Knob
VALOX420
1
18
Diaphragm
Plate
SUS303
1
19
Exhaust
Orifice
SUS303
1
20
Diaphragm
NBR/DUCRON
1
21
Ball
SUS440C
1
22
Adjust
Screw
SUS303
1
23
Spring
Button
SPCC-SD Za-C PLATE
1
24
Spacer
VALOX420
1
25
Spring
SWP B
1
26
Lock Screw
SUS304
1
27
Screw
SUS304
4
28
Screw
SUS304
4
Transfer Valve Model 78-80H
Sectional Drawing
(Standard Specifications)
