3″ Flat Seat Aluminum Emergency Valve-Manual-Straight
- Air or Cable Operated
- Groove or Flange Outlet
- Buna Urethane or Viton Seals
Betts flat seat style emergency valves combine Betts quality with an economical design. Valves feature aluminum construction with a specially designed seat disc to provide positive sealing. Shear section tested per TTMA RP84 and meets 49CFR178.345-8.
Cable operated valves are supplied with a universal lever arm which provides up to 8 cable travel options to work with most operators. Lever arm is “E” Coated to provide exceptional corrosion resistance.
Product Details
| Assembly # | Outlet | Wt. | Dimensions | Inlet Flange | Outlet Flange |
|---|---|---|---|---|---|
| EV46539AL* | 3" Grooved | 7.2 | A: 5.71" | B.C.: 6.25" Holes: 6-9/16 | B.C.: N.A. Holes: N.A. |
| EV46540AL* | 3" Flanged | 7.2 | A: 4.25" | B.C.: 6.25" Holes: 6-9/16 | B.C.: 4.88" Holes: 8-7/16 |
| *Replace asterisk in part number to designate seal material. Example Assembly EV46539ALB (3” Flat Seal Aluminum – Cable – 90-degree elbow – Grooved Outlet) Specify Viton seals by substituting "V" for "B" in Assembly Number Force rating from TTMA RP86: 3" Valves F=Grooved 7,469 lb. / Flanged 10,754 lb. CAUTION: Never bottom load through emergency valves without first opening valve. Failure to do so may result in damage to the tank and/or valve. |
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Additional Options
Left-hand valves are available with air cylinder or cable lever arm on opposite side of valve as shown at right. Add suffix –005 for left-hand option. Add suffix –004 for optional screen.
4″ Valves are available with Stainless Trim, add suffix 010.