RICHTER MV/MVM Type Lined Manual On-Off and Control Diaphragm Valves

Design Features

High reliability due to thick-walled PFA lining and diaphragms made of modified PTFE. Reliable as “floating” connection diaphragm to stem. Long service life: diaphragm made of modified PTFE. Clean-room applications possible. Leakage rate in the seat: DIN EN 12266-1, leakage rate A: gas-tight, 0 bubbles, Top-entry design: maintenance possible without dismantling. MV version with DIN/ISO Design, hand-actuated. MVM version with MSS SP-88Design, hand actuated.



Chemical & Petrochemical, Pulp & Paper, Mining, Smelter, Mineral



Body in Ductile iron ASTM A395 PFA-lined (optional with Stainless steel), Diaphragm in PTFE, Bonnet and handwheel in Stainless steel 316.


Pressure and Temperature

From vacuum up to 16 bar (235 psi) -22 to 300 °F (-30 to 150 °C)



DIN/ISO: DN 15, 20, 25, 40, 50, 80, 100, 150,
MSS SP-88 1″, 1½”, 2″, 3″, 4″, 6



DIN EN 558-1 basic series 1, ISO 5752 series 1 with flanges DIN EN 1092-2, type B (ISO 7005-2 Type B) PN 16 or flanges drilled to ASME B16.5 Class 150, MSS SP-88 with flanges drilled to ASME B16.5 Class

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