CVR VACUUM RELIEF VALVE |
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- Applications: Used in Systems to Maintain a Desired Vacuum Level
- Relief Valves are Proportional - Not “Pop” Type Safety Valves
- Not Preset - Field Adjustable
- Knurled Adjustment Screw & Locked with Jam Nut
- Pressure Range: 0-27” Hg
- Temperature Range: -65˚F to 250˚F
- Construction: C360 Machined Brass Body, Stainless Steel Spring,
Nylon Piston, Nitrile Seal (CVR-25 - Stainless Steel Piston and Seal)
- Bubble Tight to Within 5 psig for Set pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater Than 50 psig. 100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527
- Available Sizes: 1/4”, 3/8”, 3/4”, 1” & BSPT Threads
- Everseal 483 Sealant Standard
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CPR SOFT SEAT RELIEF VALVE |
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- Applications: Use in Systems to Maintain Desired Pressure Level
- Proportional Relief Valves - Not “Pop” Type Safety Valves
- Not Preset - Field Adjustable
- Knurled Adjustment Screw & Locked with Jam Nut
- Temperature Range: -65˚F to 250˚F
- Construction: C360 Machined Brass Body
Stainless Steel Spring, Nylon Piston, Nitrile Seal
(CPR-25 - Stainless Steel Piston and Seal)
- Bubble Tight to Within 5 psig for Set pressure 50 psig or Less,
Bubble Tight to Within 10% for Set Pressures Greater Than
50 psig. 100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527
- Available Sizes: 1/4”, 3/8”, 3/4”, 1” & BSPT Threads
- Everseal 483 Sealant Standard
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Part
No. |
NPT |
Available
Pressure Range
(PSI) |
Flow
@ 5 PSI Crack
Pressure |
CPR-25 |
1/4 |
10-60
50-125
100-200 |
2 |
CPR-38 |
3/8 |
0-20 |
5 |
CPR-75 |
3/4 |
0-20 |
10 |
CPR-10 |
1 |
0-20 |
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© 2008-2011 Midwest Control |
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