Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
Catalog 3501E
Drain Cocks/Ground Plug Shutoff
K77
K
Drain Cock DCR601
Temperature Range: -30° to +250° F
Part
pipe
flow
No.
thread l
m
dia. d
DCR601-4
1/4 1.41 1.73
.188
Internal Seal Drain Cock DC602
Temperature Range: -65° to +250° F
Part
pipe
c
m
No.
thread
hex
l
m
DC602-2
1/8
13/32 .92 1.25
DC602-4
1/4
9/16 .94 1.25
Drain Cock DC603
Temperature Range: -65° to +250° F
Part
pipe
c
m
No.
thread
hex
l
m
DC603-2
1/8
5/8
1.41 1.00
DC603-4
1/4
5/8
1.54 1.16
DC603-6
3/8
11/16 1.63 1.16
External Seal Drain Cock DC604
Temperature Range: -25° to +250° F
Part
pipe
c
m
No.
thread
hex
l
m
DC604-2*
1/8
7/16
.85
1.25
DC604-4
1/4
9/16 1.00 1.38
DC604-6*
3/8
11/16 1.22 1.68
*When assembled handle wings are down facing
External Seal Drain Cock DC606
Temperature Range: -65° to +250° F
Part
pipe
c
m
No.
thread
hex
l
m
DC606-4
1/4-18
9/16 1.50 1.38
Bib Drain Valve DC607
Temperature Range: -65° to +250° F
Part
hose
pipe
n
No.
size
thread flow
l
m
n
DC607-4
3/8
1/4
.31
1.32
.67
.71
M
C
HEX
L
CLOSED
M
C
HEX
L
CLOSED
M
C
HEX
L
CLOSED
M
C
HEX
L
CLOSED
L
CLOSED
N
M