Pneumatic Actuators

Company Name: BRAY

return. Series 92/93 actuators feature two independently adjustable travel stop screws and a cam on the output shaft to permit precise bidirectional adjustment of movement in both the open and closed positions for quarter turn valves. They have a maximum pressure rating of 140 psi (10 bar) and a temperature range of -40°F (-40°C) to +200°F (+95°C).

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Description

Pneumatic Actuators

Bray pneumatic actuators are rack and pinion, opposed-piston actuators available in two versions: double acting and spring
return. Series 92/93 actuators feature two independently adjustable travel stop screws and a cam on the output shaft to permit precise bidirectional adjustment of movement in both the open and closed positions for quarter turn valves. They have a maximum pressure rating of 140 psi (10 bar) and a temperature range of -40°F (-40°C) to +200°F (+95°C). Bray’s unique acetal piston guides and rings have a very low coefficient of friction and absorb the side thrusts of the pistons. Other features
include integral porting, manual override, and position indicator. To save both cost and space, the Series 93 spring return units are designed with the same housing length as the Series 92 double acting units. The Series 93 spring cartridges are inherently safe. The standard spring cartridge system is available for 40, 60, 80 and 100 psi services (3, 4, 5, 6 and 7 bar). NAMUR interface of air supply ports is standard on all Series 92/93 actuators. In addition, Bray actuators comply with ISO 5211 and VDI/VDE 3845 (NAMUR recommendations) dimensions and mount directly to Bray valves without using external linkages.
Standard units have anodized aluminum bodies with polyester coated end caps.Stainless Steel and Electroless Nickel
plated aluminum actuators are available.

 

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