Flow Control - Series 300
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Pilot Operation Control Valves - Series 300
AVFI’s 300 Series, state-of-the-art automatic control valves are designed to withstand the most demanding requirements of water system control. The experts at DOROT developed this technically-advanced valve with capabilities- far beyond any other on the market.
- The capability to regulate near zero flow, as standard on all sizes, eliminates the need for a special low flow (throttling plug) or valve, while ensuring very low head loss in “fully open” position
- The flange (face-to-face) dimensions suit ISO Standards
- The valve has an internal floating shaft, allowing for frictionless operation. The unique design of the shaft provides for easy field maintenance
- The valve has a resilient seal disc, guided by a frictionless centering device
- The valve’s body is made of Ductile Iron, withstanding both high hydraulic and mechanical stresses
- The standard single - chamber valve provides smooth operation in sensitive regulation conditions. When required, conversion from a single to a double chambered valve is easily accomplished through the insertion of Dorot’s innovative separation disc, without the need to remove the valve from the pipeline during the conversion
- The valve is supplied with a replaceable Stainless Steel seat, which maintains excellent durability against erosion and ensures a drip-tight seal
- During valve closure the rate slows, preventing potential damage from water hammer or surges
- The 300 Series includes an optional valve position indicator, attached by a floating connection (ball & socket), resulting in smooth movement, with no wear or tear on the indicator seal
| Product Code | Description |
|---|---|
CONNECTIONS: | Standard: Flanged ISO 7005 or ANSI B16 Threaded BSP or NPT Optional: Flanged AS10, JIS B22, ABNT and others |
PRESSURE RANGE: | Standard: Model 30: 0.5 – 16 bar 7 – 250 psi Models 31, 32: 0.5 – 25 bar 7 – 360 psi Optional: - 0 min. press. with N.O spring assisted opening. – 0.2 bar / 3 psi min. pressure without a spring Note: both options require usage of external higher closing pressure |
MAX WATER TEMPERATURE: | Standard: 80ºC Optional: 95ºC |
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