Keystone-K-figure 320 322 butterfly valve Powered Actuator

Keystone Figure 320/322 Butterfly Valve with Powered Actuator

产品描述

The Keystone Figure 320/322 is an economical resilient seated butterfly valve designed to ISO standards complete with powered actuator, configurable by power source, size, function and more.

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Keystone Figure 320/322 Butterfly Valve

Bubble-tight shut-off at full rating in both directions.
One piece, specially profiled, wafer thin disc stem.
Extended body neck allows free access to actuator where pipe insulation has been fitted.
The seat and disc are the only two parts in contact with the medium.
Face to face dimensions according ISO 3202 Part 3, K1 (ISO 5752 series 20) and DIN EN 558-1, series 20.
The F320 wafer version has four flange locating holes for end of line service under certain conditions.
Standard actuation:
Handle (F414) on DN 50-200 valves.
Gear operators (F455) on DN 250-300.
The F322 lugged version is suitable for bi-directional end of line service.
Suitable for pneumatic, electric and hydraulic actuation.

Emerson Powered Actuator

Direct mounting to all Keystone butterfly valves and ball valves.
Valve connection compatible with Keystone (imperial and metric) and ISO 5211.
Double Rack and Pinion design nullifies side loads on the pinion shaft, minimizing bearing wear and extending life.
Optimized product flow with standard mounted travel stops for valve position adjustment in open and close position (+/- 5° at each end).
Anodized aluminium body with electrostatic powder coating (ESPC) finish provides durable protection against corrosive environments.
Double acting and spring return versions available for cost effective and safe operation.
Up to 12 individual springs offer flexible torque range for both ball as butterfly valves.
Pre-compressed spring design and anti-blowout drive pinion means safe maintenance and operation.