D1E4NL-4DER-D-V91A-WE Double Block & Bleed Valve by Alco Valves

The Alco Valves D1E4NL-4DER-D-V91A-WE is a Double Block & Bleed Valve featuring a single piece body design with a ball, needle, ball valve configuration and a floating ball. It includes a 1/2" NB ANSI Class 1500RF inlet, a 1/2" NPT Female ASME B1.20.1 outlet, and a 1/2" NPT Female ASME B1.20.1 vent/drain supplied with loose plugs. The valve has a 10mm (3/8") bore size and incorporates L7M/7M integral flange studs and nuts secured with a 316 pin. Constructed with an ASTM A350 LF2/A105(MFR PMA) body material and ASTM A479 316( MFR PMA) trim materials, it utilizes DEVLON, Graphite, and Endura V91A seats, seals, and O-rings. It operates with stainless steel lever and T-bar handles in a firesafe design. The unit handles a maximum pressure of Class 1500, a minimum pressure of 6barg (87psi), a maximum temperature of 150ºC, and a minimum temperature of -20ºC.

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