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Flanged End Manual Ductile Iron Diaphragm Valves (Glass Lining) 

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Compact Low Profile
With the specially designed flat-top bonnet, the Century actuator provides a strong, totally enclosed unit with extremely low over-all height.

Wide Selection
Actuators furnished in seven sizes to provide more efficient and economical use of available operating air pressures up to 200 psig.

Longer Strokes
Together with higher air pressure capability provides greater flexibility in valve/actuator selection. Example, the No. 0 (smallest actuator) has more than double the stroke of its nearest competitor.

Lower Air Consumption
Because of unique design, air consumption is extremely low - in most instances less than half that of competition.

Adjustability
In the spring-closed actuator, the adjusting screw provides a convenient means of obtaining valve closure when line pressures are higher than expected.

Adaptability
Suitable for either pneumatic or hydraulic operation, the unit can be mounted in vertical, horizontal, or any intermediate position.



  Results 26 - 50 of 110 1 2 3 4 5 

Item #

Body Material

Diaphragm Material

Temperature Range

Lining Options

Valve Size [Fraction]

Weight
1"/21-1-T/M Ductile Iron PTFE Faced -30 to 300 ºF Glass 1 in 11 lb
1"/21-1-T2/M Ductile Iron 2 Piece PTFE/EPDM -30 to 350 ºF Glass 1 in 11 lb
1"/21-1-B/M Ductile Iron Butyl -15 to 212 ºF Glass 1 in 11 lb
1"/21-1-WE/M Ductile Iron White EPDM -30 to 300 ºF Glass 1 in 11 lb
1"/21-1-WB/M Ductile Iron White Butyl -15 to 212 ºF Glass 1 in 11 lb
1 1/4"/21-1-R/M Ductile Iron Natural Rubber 0 to 180 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-N/M Ductile Iron Neoprene 0 to 200 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-H/M Ductile Iron Hypalon -30 to 250 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-E/M Ductile Iron Ethylene Propylene EPDM -30 to 300 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-V/M Ductile Iron Viton -20 to 350 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-T/M Ductile Iron PTFE Faced -30 to 300 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-T2/M Ductile Iron 2 Piece PTFE/EPDM -30 to 350 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-B/M Ductile Iron Butyl -15 to 212 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-WE/M Ductile Iron White EPDM -30 to 300 ºF Glass 1 1/4 in 14 lb
1 1/4"/21-1-WB/M Ductile Iron White Butyl -15 to 212 ºF Glass 1 1/4 in 14 lb
1 1/2"/21-1-R/M Ductile Iron Natural Rubber 0 to 180 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-N/M Ductile Iron Neoprene 0 to 200 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-H/M Ductile Iron Hypalon -30 to 250 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-E/M Ductile Iron Ethylene Propylene EPDM -30 to 300 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-V/M Ductile Iron Viton -20 to 350 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-T/M Ductile Iron PTFE Faced -30 to 300 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-T2/M Ductile Iron 2 Piece PTFE/EPDM -30 to 350 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-B/M Ductile Iron Butyl -15 to 212 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-WE/M Ductile Iron White EPDM -30 to 300 ºF Glass 1 1/2 in 16 lb
1 1/2"/21-1-WB/M Ductile Iron White Butyl -15 to 212 ºF Glass 1 1/2 in 16 lb
  Results 26 - 50 of 110 1 2 3 4 5