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Bulk Instrumentation and Accessories • Instrument Valves & Manifolds
Bleed & Purge Valves BV Series Bleed Valve
DESCRIPTION
Parker BV Series Bleed Valves are designed for use on products such as multi-valve manifolds or gauge/root valves. Functionally, the valve vents line pressure either to atmosphere or to ontainment when used with the optional barbed vent tube. Generally, bleed valves are used whenever an instrument is removed from a system or to assist in the calibration of control devices. The BV Series is also recommended for use in bleeding hydraulic systems.
FEATURES • Available in stainless steel, carbon steel and Alloy N24135
• Vent tube directs excess gas or liquid from system lines • Chrome plated stem provides extended cycle life with improved sealability
• Positive stop/vent tube design prevents accidental removal of the stem • Compact design • Wrench actuation • Available in a variety of end configurations including male pipe and SAE ports • 100% factory tested
• Barbed vent tube option enables containment of vented media
• Optional T-bar handle for wrench-less actuation
SPECIFICATIONS Pressure Rating:
Temperature Rating: Stainless Steel Carbon Steel
With No Handle
C
With Handle 10,000 psig (689 bar) CWP
-65°F to 850°F (-54°C to 454°C) -20°F to 450°F (-29°C to 232°C)
Alloy N24135 (400) -65°F to 500°F (-54°C to 260°C) Flow Data
Caution
Cv = 0.13; xT = 0.53; Orifice = 0.125” (3.2mm).Tested in accordance with ISA S75.02.Gas flow will be choked when P1 – P2 / P1 = xT.
These valves do not have a stem seal. It is imperative to open the valve slowly and direct the vent tube away from persons operating or near the valve. Because of the absence of a stem seal, small amounts of media will flow through the stem thread area when the valves are opened.
End Connections Item
2M-BV4 4M-BV4
4KM-BV4 4F5-BV4 6M-BV8 8M-BV8 8F5-BV8
(Inlet) Port 1 ⅛" Male NPT
¼" Male NPT ¼" Male BSP ¼" Male SAE ⅜" Male NPT ½" Male NPT ½" Male SAE