


Dwyer Instruments WE08 | 2-Piece NPT brass ball valve
A 2-piece brass ball valve with a full port is incorporated into the Series WE08 to provide excellent flow rates with little pressure loss. The valve has a brass ball for improved performance, strengthened PTFE seats and seals for longer life, and a blowout proof stem for increased safety. Direct mounting of the actuators results in a small assembly suitable for confined places. There are two actuator configurations available for the Series WE08: electric and pneumatic. Electric actuators come with two-position or modulating control, a range of supply voltages, and are waterproof or explosion-proof. While modulating actuators use a 4 to 20 mA input for valve location, two-position actuators employ the supply voltage to push the valve open or closed. Actuators have a permanently oiled gear train and protection against thermal stress.

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- Specifications
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Approvals | Meets the technical requirements of EU Directive 2011/65/ EU (RoHS II) |
Body | 2-piece |
End connection | Female NPT |
Material | Other: O-ring: NBR; Handle, stem nut, ferrule: SS; Handle Sleeve: Vinyl; Body and cap: Nickle plated |
Material | Wetted: Body, ball, and stem: Brass; Seat, seal, and packing: PTFE |
Maximum Operating Pressure | 1/2 to 1" 600 psi (41 bar) WOG 1-1/4 to 2" 230 psi (15 bar) WOG |
Maximum operating temperature | -20 to 425°F (-30 to 220°C) |
Size | Line: 1/2 to 2" |
- Adaptable enough to suit any kind of use.
- Manual valves can have limit switches installed for remote monitoring.
- Reduced operating torque through a vented ball.
- Electric actuators that are explosion- or weather-proof.
- Pneumatic actuators made of anodized aluminum with double acting or spring return.
- The pressure drop across the valve is decreased by the full port design.
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