Pneumatic control valve Size:1''-20'' Pneumatic/Electric Type Cast Steel/Stainless Steel Best price and quality Pneumatic ... Control Valve (It can be electric type)Applications: Control flow, pressure, temperature, etcTwo types: modulating ... typeNormal TEM, middle TEM, low TEM, bellows sealing type, jacket insulation type, shut-off control typeWorkshop pictures: That are pneumatic ...