| APECIFICATIONS Diaphragm overload protection device（FW） For visous and sedmentous process medium with diaphragm seal Setting range: 0.016-1.0Mpa Over pressure limit: 0-5Mpa Working temperature: -25-+120℃ Set point accuracy: ± 4% Diaphragm material: 316L Wetted material: 316+BUNA Connection: thread M20*1.5M-M20*1.5F 1/2”NPT M-1/2”NPT F Piston overload protection device（FG） For visous and sedmentous process medium with diaphragm seal. Setting range: 1.6-40Mpa Over pressure limit: 0-40Mpa Working temperature: -25-+120℃ Set point accuracy: ± 4% Diaphragm material: 316L Wetted material: 316+BUNA Connection: thread M20*1.5M-M20*1.5F 1/2”NPT M-1/2”NPT F SPECIAL VERSIONS Body material:321, 304, 316L Connection: other on request Packing material: as different process temperature and setting range VITON-25-+240℃，0.16-40Mpa | 
