... - adaptor, coupler, hose shank, dust cap, dust plug Type A Adaptor FemaleType B Coupler Male Type C Coupler Hose ShankType ... & CEPRODUCTIONSpectrum analyzer is used to ensure the quality and components of raw materials.Investment casting process and high-precision CNC lathe ... ,check valve, cut-off valve, camlock couplings from Type A to Type DC and pipe fittings. Pipe fittings include 90 ...