161
C
HECK
V
ALVES
/ M
ARINE
F
ITTINGS
B
RASS
F
ITTINGS
B
RASS
Part # Size
Opening
Dia.
46-510 1/4 x 1/4 0.25 ----
46-511 3/8 x 3/8 0.375 ----
46-512 1/2 x 1/2 0.437 ----
BRASS CHECK VALVES
MNPT X MNPT
• Opening
diameter .187
• 180
0
max
operating temp.
•SS ball and
spring
MAX. 2500 PSI
Cracking Pressure 1/3-3 PSI
• Opening
diameter .187
• 180
0
max operating
temp.
MAX. 2500 PSI
•SS ball and
spring
MNPT X FNPT
• O-Ring poppet
seal Bubble
tight operation
• 180°F max operating
temp.
MAX. 1200 PSI
FNPT X FNPT
B
A
PNEUMATIC CHECK VALVES
• Max Operating Pressure:
220 psi
• Working Pressure:
14.5-145 psi
• Cracking Pressure:
2.8 psi
• Maximum Temperatures:
140° F
Materials
FEMALE X FEMALE
FEMALE X MALE
MALE X FEMALE
MALE X MALE
MARINE FITTINGS
ANTI-SIPHON VALVES
NPT X NPT
• Calibrated to support 30" column of gasoline.
ANTI-SIPHON VALVES
BARB X NPT
BULKHEAD FITTINGS
HIGH PRESSURE CHECK VALVES
• Operates in any position, and is available
in mixed or matched end combinations.
• Standard cracking pressure 1 p.s.i
(optional 3 or 7 p.s.i. available) with a
maximum operating pressure of 3000 p.s.i.
and a maximum operating temperature of
180°F using Buna-N seals.
• Buna-N seals standard, other seals avail-
able.
• Guided 316 stainless steel ball + spring.
• Fixed ringed seat prevents extrusion of
seal.
• Opening diameter .28
• Approximate CV 1.2
• Water G.P.M. @ 10 p.s.i. is 4.0
Part # Size
Opening
Dia.
46-500 1/4 x 1/4 0.187 ----
Part # Size
Opening
Dia.
46-505 1/4 x 1/4 0.187 ----
Part #
Size
Dimensions (In.)
A B
46-200
1/4
1.97 0.67 ----
46-201
3/8
1.97 0.83 ----
46-202
1/2 2.48 0.98 ----
Body
Chrome plated Brass
Spring
Steel
O-Ring
NBR Rubber
Part #
Size
46-513
1/4
----
46-517
3/8
----
Part #
Size
46-514
1/4
----
46-518
3/8
----
Part #
Size
46-516
1/4
----
46-539
3/8
----
Part #
Size
46-515
1/4
----
46-519
3/8
----
Part #
Size
46-520 1/4 x 1/4
----
46-521 3/8 x 3/8
----
Part #
Size
46-540
5/16
----
46-541
3/8
----
Part #
Size
46-530 5/16 x 1/4
----
46-531 3/8 x 1/4
----
46-532 3/8 x 3/8
----
46-533 1/2 x 3/8
----
If you're not failing every now and
again, it's a sign you're not doing
anything very innovative.
- Woody Allen
NPT- Inlet
NPSM - Outlet