Worm Gear Wafer Butterfly Valve

D371X worm gear wafer butterfly valve combines a compact centerline soft-seated design with geared manual operation for easier control at larger valve sizes. Suitable for water supply, HVAC, wastewater treatment, municipal pipelines, and compatible industrial applications.

PRODUCT DETAILS

The D371X Worm Gear Wafer Butterfly Valve is a compact, soft-seated valve designed for reliable isolation and flow control in commercial and industrial pipeline systems.

Its wafer-style body is installed between pipeline flanges, helping reduce installation space, overall weight, and material requirements compared with conventional flanged butterfly valves. The centerline concentric design provides simple quarter-turn operation, low flow resistance, and dependable sealing for compatible media.

The worm gear operator provides mechanical advantage, helping reduce manual operating force for larger valve sizes and applications with higher operating torque. Lockable gearbox and extended stem configurations may also be available according to project requirements.

Technical Specifications

Valve Type Worm Gear Wafer Butterfly Valve
Design Centerline / Concentric, Soft Seated
Size Range DN50-DN600
Pressure Rating PN10 / PN16
Body Material Ductile Iron, Carbon Steel, SS304, SS316
Disc Material Ductile Iron with Nylon Coating, Carbon Steel, SS304, SS316, Aluminum Bronze
Stem Material SS416, SS304, SS316, 2Cr13
Seat Material EPDM, NBR, PTFE
Operation Worm Gear Manual Gearbox, Quarter-Turn
Typical Applications Water Supply, HVAC, Wastewater Treatment, Municipal Pipelines, Cooling Water Systems, Industrial Pipelines

Key Features

  • Compact wafer-style body for space-saving installation
  • Centerline concentric design with resilient soft seat
  • Worm gear operation for reduced manual operating force
  • Suitable for larger valve sizes and higher torque requirements
  • Multiple body, disc, stem, and seat material options
  • Lockable gearbox option available according to application requirements
  • Suitable for water, HVAC, wastewater, and compatible industrial services

Applications

The D371X Worm Gear Wafer Butterfly Valve is suitable for water supply and distribution systems, wastewater treatment, HVAC systems, municipal pipeline networks, pump stations, cooling water systems, and compatible industrial process pipelines.

ZEMTECH GAS provides product selection support based on valve size, pressure rating, medium, material, flange standard, seat material, gearbox configuration, and project requirements.

TECHNICAL SPECIFICATIONS

Product Specifications

Specifications may vary by model, material, pressure rating and project requirements.

Model

D371X

Size Range

DN50-DN600

Pressure Rating

PN10 / PN16

Body Material

Ductile Iron, Carbon Steel, SS304, SS316

Seat Material

EPDM, NBR, PTFE

Quality Control

Products are checked according to order requirements and applicable specifications before delivery

Technical Documentation

Product specifications, technical data, and related documents can be provided based on project requirements

Selection Support

Our team can assist with product selection based on application, medium, pressure, size, and installation requirements

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