Manual Gate Valve Cv Table

Class 300 and 600 valves consist of a circular spiral wound gasket.

Manual gate valve cv table. Valve size gate globe stop check swing check tilting disc check and lift check full port cv t pattern cv y pattern cv full port cv min. Minimum test parameters table 3a. In metric units the same coefficient often called the flow factor is kv and corresponds to the flow rate of water in. Cv linear valve opening 1 0 2 2 1 5 5 0 2 0 7 020 40 6080100 0 20 40 60 80 100 pressure loss butterfly valve 0 3 equal gate valve 0 2 quick open comparison of cv value butterfly valve 1 comparison of butterfly valves with other valves using 100mm diameter tomoe 700g model valve comparison of pressure loss butterfly valve 1.

Because of possible damage to the valve body due to the. Class 150 gate valves consist of a square joint in 2 and an oval one for all other sizes. Gallons per minute that passes through the valve at a pressure drop of 1 psi at 68 f. 8 of 30 7 factory testing to be certain that all valves shipped from the factory are bubble tight they are subjected to the following tests.

Model 1 gate valve installation operation and manual no. Cv is in imperial units. Box 40525 houston tx 77240 052 ph. Gpm cv value of cast gate valve class size 150 300 600 900 1500 2500 nps cv cv cv cv cv cv 1 2 16 16 16 16 16 12 3 4 38 38 38 32 32 21.

Cv 200 1 8 5 200 36 200 0 6 120 from cv table. Installation manual page 1. Data public pdf valve sizing maual doc 1 of 43 10 10 2008 norriseal p o. The above information is for reference only.

Hydrostatic shell test valve size nps. Reserves the right to revise without notice unit. From cv table the corresponding valve position is 70 open. Class 900 and above gate valves consist of a ring type joint.

Gate valve serious injuries will occur and valve will be damaged. A 2 valve has a cv of 120 at 40. Table of contents. If the gate valve opens closes properly it is now set and ready for operation do not exceed 80 psig.

Cv is the volume of water in u s.