EV46454ALTS - Betts -Emergency Valve, 4" Aluminum External Air Operated Flanged 90 Outlet Tef-O-Sil Seat - LJI Part: EV46454ALTS

The Betts EV46454ALTS Emergency Valve is a 4-inch aluminum, air-operated valve with a flanged 90-degree outlet, built to shut off product flow at the tank bottom in an emergency. It features Teflon-encapsulated seals for broad chemical compatibility, with a body constructed of aluminum and stainless steel trim. The shear section is tested per TTMA RP84 and meets 49CFR178.345-8. The external air cylinder is hard-coated aluminum with a polished stainless steel shaft, keeping product out of the air supply, and includes a 1/8-inch NPT air connection port with a fusible plug pre-installed. This valve must always be opened before bottom loading through it to avoid damage to the tank or valve.

Technical Specs List

• Size: 4 inches
• Outlet Style: Flanged, 90 degrees
• Actuation: External air operated
• Body Material: Aluminum
• Trim Material: Stainless steel
• Seal Type: Teflon-encapsulated (Tef-O-Sil)
• Weight: 13.5 pounds
• "A" Dimension: 4.38 inches
• "B" Dimension: 5.0 inches
• Inlet Flange: 7.25-inch bolt circle, 8 holes at 9/16 inch
• Outlet Flange: 5.88-inch bolt circle, 8 holes at 7/16 inch
• Air Connection Port: 1/8-inch NPT
• Force Rating (TTMA RP86): Fb-max = 24,000 pounds