Sub-bases for series 80 & 84 sae valves, Side-ported – Ross Controls POPPET SERIES 84 User Manual
Page 4

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SAE Size 125
SAE Size 250
SAE Size 500
Port A
(outlet)
Port B
(outlet)
CL
1.00
(25)
1.00
(25)
0.39 (10) dia.
2 places
6.25
(159
9
7.40
(188)
Port P
(inlet)
Port EA
(exhaust)
0.50
(13)
2.00
(51)
CL
2.00
(51)
1/8 external
pilot supply
port X
0.32
(8)
1.17
(30)
1.92
(49)
Port EB
(exhaust)
1.48
(38)
2.52
(64)
1.17
(30)
Port A
(outlet)
1.38
(35)
CL
1.36
(35)
3.06
(78)
2.32
(59)
1.36
(35)
0.50
(13)
Port EA
(exhaust)
Port P
(inlet)
9.00
(229)
2.75
(70)
0.63
(16)
2.75
(70)
CL
1/8 external pilot
supply port X
Port EB
(exhaust)
8.25
(210)
1.38
(35)
0.41 (10) dia.
2 places
Port B
(outlet)
Sub-Base
Port Size*
Number
A, B
P, EA, EB
577K91
1/8
1/4
578K91
1/4
3/8
579K91
3/8
3/8
*NPT threads. For SAE threads, consult ROSS.
Sub-Base
Port Size*
Number
A, B
P, EA, EB
539K91
1/4
3/8
540K91
3/8
1/2
541K91
1/2
1/2
542K91
3/4
3/4
*NPT threads. For SAE threads, consult ROSS.
Sub-Base
Port Size*
Number
A, B
P, EA, EB
582K91
1/2
3/4
728K91
3/4
3/4
583K91
3/4
1
584K91
1
1
*NPT threads. For SAE threads, consult ROSS.
Dimensions: inches (mm)
Side-Ported
Sub-Bases for Series 80 & 84 SAE Valves
1.21
(31)
0.69
(18)
0.60
(16)
Port A
(outlet)
CL
0.60
(16)
Port B
(outlet)
0.34 (8.6) dia.
2 places
4.05
(103
3
4.66
(118)
1.20
(31) Port EB
(exhaust)
1/8 external
pilot supply
port X
Port P
(inlet)
CL
0.54
(14)
Port EA
(exhaust)
0.41
(10)
0.67
(17)
1.20
(31)
0.82
(21)
1.75
(45)