Brochure

Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
Industrial Refrigeration Products: Check Valves
408
Type CK1
●
Rugged, Heavy Duty
●
Low Pressure Drop
●
Piston Type Gravity Closing
●
Flanged, horizontal mounting
●
Design Pressure(MRP): 27.6 bar (400 psig)
●
Manual Opening Stem
Description
These piston type, gravity closing, heavy duty check valves
are suitable for Ammonia, R-22, R-134a, R-404A, R-507,
other refrigerants, certain oils and other fluids approved for
use in refrigeration. All CK1 check valves are flanged and
are suitable for mounting only in horizontal lines with
opening stem in the vertical position. They have a manual
opening stem for manual operation. They may be ordered
with a male adapter ring (through 4" size) for close coupling.
A minimum pressure difference of .03 bar (0.5 psi) is
required to open the valve.
Materials
Body ..................................................................... Gray Iron
Seat.........................PTFE (20-32mm), Metal (40-150mm)
Specifications
Design Pressure (MRP)........................ 27.6 bar (400 PSI)
Fluid Temperature Range ....-30° to 105° C (-25° to 220°F)
Flow Coefficients
20 mm (¾") .......................................... 8.1 Kv (9.5 Cv)
25 mm (1") ........................................... 8.6 Kv (10 Cv)
32 mm (1¼") ......................................... 16 Kv (19 Cv)
40mm (1
5
/8") ........................................ 32 Kv (37 Cv)
50mm (2") ............................................. 44 Kv (51 Cv)
65mm (2½") .......................................... 70 Kv (82 Cv)
75mm (3") ........................................... 103 Kv(120 Cv)
100mm (4") ......................................... 171 Kv(200 Cv)
125mm (5") ......................................... 244 Kv(285 Cv)
150mm (6") ......................................... 342 Kv(400 Cv)
DIMENSIONAL DATA
PORT SIZE A B C D E F G H J
mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in.
20, 25 ¾, 1 191 7.5 102 4.0 158 6.2 89 3.5 117 4.6 239 9.4 216 8.5 13 .5 265 10.4
32 1¼ 219 8.6 122 4.8 203 8.0 96.5 3.8 117 4.6 305 12.0 256 10.1 15 .6 320 12.6
40, 50 1
5
/8, 2 270 10.6 139.7 5.5 251 9.9 129.5 5.1 129.5 5.1 371 14.6 307 12.1 15 .6 414 16.3
65 2½ 303 11.9 142.2 5.6 251 9.9 160 6.3 147.3 5.8 401 15.8 331 13.0 25 1.0 424 16.7
75 3 384 15.1 216 8.5 311 12.2 167.6 6.6 167.6 6.6 478 18.8 389 15.3 29 1.1 500 19.7
100 4 427 16.8 217 8.6 366 14.1 208.3 8.2 190.5 7.5 571 22.5 450 17.7 32 1.3 615 24.2
125 5 496 19.5 298.4 11.7 381 15.0 198.1 7.8 228.6 9.0 576.6 22.7 485 19.1 30.5 1.2 ——
150 6 537 21.1 355.6 14.0 514.3 20.2 180 7.1 294.6 11.6 706.1 27.8 617 24.3 35.6 1.4 ——
Dimensions
WN Flanges
F
H
FPT or SW
E
MAX.
J
ODS Solder Flanges
A
B
D
C
G
FPT
SW
Technical Information and Dimensions