... of an instrument , a connector, and a special diaphragm spearator.Instrument type: YA ammonia pressure gauge YX ... pressure gauge SYB intelligent transmitting controller CRY2 silicon pressure transmitter Connector type: Direct connecting , cooling tower , high temp. tube, ... B-standard type, D- shape flange G- connection M-threaded, E-special flange for homogenizerDiaphragm material : S-stainless steel ...