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Globe Style Silent Check Valves
Prevents Flow Reversal
CRISPIN - Globe Style Check Valves are designed to close
before the pump stops completely. This prevents flow reversal which eliminates water
hammer and system surges associated with valve closures.
Service Applications
Municipal water systems
Industrial Class HVAC - Liquid service
Industrial Piping Systems
Irrigation Systems
| Name |
Material (standard) |
Material (option) |
| Body |
Cast Iron ASTM A126 Class B |
Cast Iron ASTM A126 Class B |
| Disc |
Bronze ASTM B62 |
Stainless Steel ASTM A743, CF8M, T316 |
| Seat Ring |
Bronze ASTM B62 |
Stainless Steel ASTM A743, CF8M, T316 |
| Spring |
Stainless Steel ASTM A313 |
Stainless Steel ASTM A313 |
| Bushing |
Bronze ASTM B584 |
Stainless Steel ASTM A276, T316 |
| Screws |
Stainless Steel 18-8 |
Stainless Steel 18-8 |
Pressure/Temperature Rating
Maximum temperatur rating: 150 F (65 C)
Pressure Class: ANSI B16.1
B.S. 4504 DIN PN 10, PN 16 & PN 25
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Class 125 |
Class 250 |
2.5" (65mm) - 12" (300mm) |
| Non-shock Gage Pressure |
200 psi (13.6 BAR) |
400 psi (27.2 BAR) |
| Shell Test Pressure |
300 psi (20.4 BAR) |
750 psi (51.0 BAR) |
| Seat Test Pressure |
300 psi (20.4 BAR) |
400 psi (27.2 BAR) |
14" (350mm) - 16" (400mm) |
| Non-shock Gage Pressure |
150 psi (10.2 BAR) |
300 psi (20.4 BAR) |
| Shell Test Pressure |
230 psi (15.6 BAR) |
450 psi (30.6 BAR) |
| Seat Test Pressure |
230 psi (15.6 BAR) |
300 psi (20.4 BAR) |
NOTE: Crispin Globe Style
Check Valves are intended for liquid service only. Please consult when applications other
than liquid are required.
The CRISPIN Globe Style Check Valve is
designed so that a butterfly valve may be used downstream without the use of a spacer
flange or spool piece. This feature is available in sizes thru 10".
Specification
The Silent Globe Check Valves shall be fully automatic, spring
loaded, and double guided. The valve shall open as the pump starts and close just prior to
flow reversal upon pump outage. The valve shall have a cast iron body, bronze seat, disc
and bushing and stainless steel spring. All internal parts shall be field replaceable for
ease of maintenance.
Valve Replacements
Existing swing check valves can easily be replaced with a CRISPIN
Globe Style Check Valve. The replacement involves the addition of spool piece to be bolted
to the replacement check valve. The entire assembly can be provided to conform to the
existing valves face-to-face dimension.
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