SINGER #106 / S106-PG Full Port, Single Chamber, Hydraulically Operated Valve
SINGER #206 / S206-PG Reduced-Port, Single Chamber, Hydraulically Operated Valve
SINGER #106 / S106-PT / PTC Full Port, Double Chamber, Hydraulically Operated Valve
SINGER #206 / S206-PT / PTC Reduced Port, Double Chamber, Hydraulically Operated Valve
SINGER #106 / S106-PGM Full Port, Integral Back-Up, Dual Diaphragm, Automatic Control Valve
SINGER #206 / S206-PGM Reduced Port, Integral Back-Up, DUal Diaphragm, Automatic Control Valve
SINGER #106-PG Stainless Steel Full Port, Single Chamber, Hydraulically Operated Valve