Williams LD Low Pressure Diaphragm
6Pages

PTFE Wetted Parts

SIMPLICITY IN DESIGN, OPERATION AND MAINTENANCE FEATURES: • Simple Design • Easy to Maintain • Intrinsic Safety of Pneumatic Operation • Stroke Length and Stroke Rate Adjustment • High Flow Turndown • Corrosion Resistant Construction • All 316 SS or PTFE Wetted Parts • Ease of Installation • Recommended for discharge pressures below 120 PSI DISCHARGE CHECK VALVE RETURN SPRING STROKE ADJUSTER FACE PLATE Standard Materials: • Wetted Parts - 316SS or PTFE • Pneumatic Section - 316SS • Diaphragm - PTFE • Controller - 316SS • Relays - 316SS SUCTION CHECK VALVE Design Improvements: • Higher Flow...

PERFORMANCE SPECIFICATIONS Max. Air Usage Maximum Maximum At Max. Volume Strokes Volume Volume Discharge Maximum Diaphragm Air to Per Per GPH / LPH Pressure * Air Supply PSI Bar Size Fluid Minute Stroke Standard Diaphragm Models (Inch) Simplex PSI Bar Pressure (SPM) (cc) Material (STD) PSI Bar SCF/D SCM/D Approx. Shipping Weight Lbs. Kg. NOTE: * with 100 PSI Air Supply Max PART NUMBERING SYSTEM Maximum recommended viscosity 1280 CP (Centipoise) or 6000 SSU (Saybolt Seconds Universal). OPERATING TEMPERATURE The recommended operating temperature of the pumps with the corresponding faceplate...

PERFORMANCE STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE PSIG STROKE LENGTH: 100% • PLUNGER SPEED: 45 SPM AIR/GAS PRESSURE PSIG AIR/GAS PRESSURE PSIG

Control Methods MK xiiA oscillamatic® Controller STROKE RATE CONTROL KNOB The MK XIIA Controller operates on the same operating principal as the MK X Controller. The MK XIIA has the same upper and lower chambers, but are separated with flexible diaphragms rather than sliding seals. A capillary tube, controlled by a needle valve, transfers the air/gas supply to the pump from the lower to the upper chamber. UPPER DIAPHRAGM MIDDLE DIAPHRAGM AIR/GAS SUPPLY TO CONTROLLER When the spool is in the highest position, a pilot plug closes a vent and opens the supply air/gas to the pump. When the spool...

PUMP ACCESSORIES DRUM GAUGES Liquid Level/Injection Rate Gauge Carbon Steel Carbon Steel - Vented Stainless Steel Stainless Steel - Vented Carbon Steel AUTOMATIC DUMP VALVES Used with the Air or Gas Dryer-Filters MODELS BOWL MAX. PRESSURE Stainless Steel PCV125 AL Pressure Regulator LIQUID CHEMICAL FILTERS 316 Stainless Steel CONNECTION OPTIONAL MODELS FILTER ELEMENT FILTER ELEMENT 1, 2, 8 LCF10-25 1/4” NPT microns or 25 micron, Std 100 mesh stainless LCF15-25 1/2” NPT steel screen 25 micron, Std APU-XP Automatic Processing Unit FREQUENCY ACCURACY + 0.25% 0-45 SPM of span AIR OR GAS...