Part Number:R900410875
Model:ZDR 10 - DP2 - 5X / 75YM
Max. Adjustable Reduced Pressure:75 bar (adj. range typically 3–75 bar — low-pressure stage)
Part Number:R900445958
Model:ZDR6DA2-4X/150YM
Adjustment Type:DA2 = Rotary hand knob with protective cap (hand-adjustable, no tool)
Weight (approx.):1.25 kg
Viscosity Range:10–800 mm²/s
Body Material:Steel / cast iron, zinc-plated
Weight (approx.):1.22 kg
Viscosity Range:10–800 mm²/s
Fluid Temperature Range:-30 °C to +80 °C (NBR seals)
Fluid Temperature Range:-30 °C to +80 °C (NBR seals)
Weight (approx.):1.23 kg
Max. Adjustable Flow:6 L/min (fine-to-medium metering — Q range typically 0.1–6 L/min)
Weight (approx.):1.24 kg
Fluid Temperature Range:-30 °C to +80 °C (NBR seals)
Hydraulic Fluid:Mineral oil HL, HLP per DIN 51524; HFC (water-glycol); HLPD, HVLP, HVLPD
Fluid Temperature Range:-30 °C to +80 °C (NBR seals)
Component Series:2X (series 20+, dimensionally interchangeable)
Base Model:2FRM 6 - B36 - 2X / 16QRV
Hydraulic Fluid:Mineral oil HL, HLP per DIN 51524; HFC (water-glycol); HLPD, HVLP, HVLPD
Fluid Temperature Range:-30 °C to +80 °C (NBR seals)
Viscosity Range:10–800 mm²/s
Weight (approx.):1.26 kg
Cracking Pressure (Reverse Check):approx. 0.5 bar (standard free-return)
Seal Material:NBR (standard, code V — for mineral oil HL/HLP, HFC)
Weight:Approx. 1.4 kg
Mounting Bolts:4 × M5 (ISO 4762, Grade 10.9), torque ~8–10 Nm cross pattern
Drain Requirement:External drain port Y → Tank (dedicated line, zero backpressure)
Weight:Approx. 1.4 kg
Seal Material:FKM (Viton®) — suffix V
Compatible Fluids:Mineral Oils (HL/HLP), HFC (Water Glycol), HFD (Phosphate Ester — with FKM)
Compensation:Integrated pressure compensator (keeps ∆P across orifice constant, typ. 3–5 bar)
Mounting Style:Sandwich Plate (installed between NG6 directional valve and subplate)
Mounting Bolts:4 × M5 (ISO 4762, Grade 10.9), torque ~8–10 Nm cross pattern