Coal chemical special 760 series synthesis gas triple eccentric butterfly valve
300系列角型低泄漏笼式调节阀
491-O series vacuum ball valve
300系列高压单座角型调节阀
491-GU series sampling ball valve
300系列高压笼式角型调节阀
400系列气动闸阀
600 Series Pneumatic Membrane Diaphragm Control Valve / 610 Series Pneumatic Two Position Diaphragm Valve
手动上展/下展式放料阀。气动上展式放料阀
Manually up/down expansion insulation jacket discharge valve, pneumatic upper expansion insulation jacket discharge valve
350系列气动(配812执行机构)上展式放料阀
ZZY type self-operated pressure regulating valve / ZZYP-16II type pilot operated self-operated pressure regulating valve