DELCO MYD-WB-S Hydraulic Stainless Steel Wafer Butterfly Valve

The DELCO MYD-WB-S is a hydraulic stainless steel wafer butterfly valve combining a corrosion-resistant SS body with a high-torque gear & rack hydraulic actuator. Featuring an integrated-piston cylinder, ±5° position fine-tuning, bottom manual override, and top-mounted switches for remote control, it delivers reliable, space-saving flow control with universal ISO 5211 compatibility.

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Key Features

The DELCO MYD-WB-S pairs a stainless steel wafer body with a gear & rack hydraulic actuator to deliver high torque, corrosion resistance, and precise ±5° control in a compact build — with manual override and remote-ready switching, plus an ISO 5211 interface for broad valve compatibility.

✅High torque, compact & corrosion-resistant — Stainless steel wafer body + gear & rack hydraulic actuator for reliable high output torque in tight spaces.

✅Rugged hydraulic actuator — Cast carbon steel cylinder with integrated piston withstands higher pressure for greater torque.

✅Precise & fail-safe control — ±5° open/close fine-tuning via adjustment bolts, plus bottom-mounted manual override for emergencies.

✅Remote-ready & ISO 5211 compatible — Top-mounted limit/travel/proximity switches enable remote operation; ISO 5211 connection fits most valves.

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Hydraulic Actuator

Structural features Technical Parameters Drawing

✅Gear & rack transmission — Simple, reliable, and compact design delivering high output torque.

✅Cast carbon steel cylinder — Exceptional mechanical strength and durability with a clean, professional finish.

✅Integrated piston design — Engineered to withstand higher pressures and deliver greater output torque.

✅Optional manual override — A manual operating mechanism can be mounted at the bottom of the hydraulic cylinder for emergency operation.

✅Precise position control — Fine-tune open and closed positions within ±5° via adjustment bolts.

✅Remote control ready — Top-mounted limit switches, travel switches, and proximity switches enable remote operation.

✅ISO 5211 compliant mounting — Bottom connection ensures broad valve compatibility and easy integration.
✅Hydraulic Source Pressure: 2.0-16MPa

✅Ambient Temperature: -20-80°C, Low Temperature Type: -40-80°C, High Temperature Type: -20-120°C

✅Hydraulic Oil: Hydraulic oil with a viscosity not exceeding 40 CST. Low-temperature hydraulic oil should be used in low-temperature areas.

✅Installation: The installation environment should avoid outdoor, high-temperature, low-temperature, humid, and corrosive locations as much as possible. Otherwise, appropriate protection should be provided.

Key Application Fields

Oil & Gas

DELCO API-certified valves ensuring safety and reliability in demanding high-pressure pipelines.
Chemical & Petrochemical

DELCO corrosion-resistant solutions tailored for handling aggressive acids and hazardous fluids safely.
Power Generation

DELCO solutions efficiently withstand extreme high-temperature and high-pressure steam cycles in power plants.
Food & Pharmaceutical

DELCO sanitary valves with FDA-compliant, crevice-free designs to ensure absolute product purity.
Water & Wastewater

Durable municipal solutions by DELCO, designed for zero leakage and long-term sustainability.
HVAC & District Heating

DELCO valves ensure precise flow regulation to optimize energy efficiency in modern buildings.