D634-1016
May 25, 2026

D634-1016

Series: D634 (ISO 4401 Size 05 / NG10) Type: Single‑stage direct‑drive servo valve (DDV), 24 VDC integrated electronics, LVDT spool closed‑loop Model 1016: Standard‑performance, general‑purpose version, balanced dynamics and flow; designed for wide‑range industrial applications requiring stable, cost‑effective precision control.

Description

General

  • Series: D634 (ISO 4401 Size 05 / NG10)

  • Type: Single‑stage direct‑drive servo valve (DDV), 24 VDC integrated electronics, LVDT spool closed‑loop

  • Model 1016: Standard‑performance, general‑purpose version, balanced dynamics and flow; designed for wide‑range industrial applications requiring stable, cost‑effective precision control.

Hydraulic Data

  • Max pressure (P, A, B): 350 bar (5,000 psi)Moog Inc.

  • Port T (no Y): 50 bar (725 psi); (with Y): 350 barMoog Inc.

  • Rated flow (Δp = 35 bar/land): 60–80 L/min (15.8–21.1 gpm)

  • Max flow: ≈185 L/min (48.8 gpm)

  • Internal leakage: ≤0.45 L/min

  • Fluid: Mineral oil ISO 11158 / DIN 51524

  • Fluid temp: −20 … +80 °C

  • Cleanliness: ISO 4406 18/15/12 (recommended 17/14/11)

Performance (Typical for 1016)

  • Step response (0→100%): ≈16 msMoog Inc.

  • Hysteresis: <0.4% FS

  • Resolution: <0.10% FS

  • Null drift (ΔT = 60 K): <1.0%

  • Frequency response (−3 dB): ≥85 Hz

Electrical Data

  • Supply: 24 VDC (18–32 VDC)Moog Inc.

  • Max current: 2.2 A

  • Control signals (jumper select): ±10 V, ±10 mA, 4–20 mAMoog Inc.

  • Spool feedback output: 0–10 VDC

  • Connector: M18, 6+PE, IP65Moog Inc.

  • Ambient temp: −20 … +60 °C

Key Features

  • Balanced speed/flow for general‑purpose use

  • Closed‑loop LVDT feedback for high accuracy and repeatability

  • Spring‑centered fail‑safe design (spool returns to neutral on power loss)

  • Integrated EMC‑compliant electronics for simple installation

  • 350 bar high‑pressure rating for most industrial systemsMoog Inc.

Applications

General industrial automation, standard injection molding, machine tools, material handling, and medium‑dynamic precision hydraulic systems requiring reliable, cost‑effective closed‑loop control.


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