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Home » Products » Butterfly Valve » Lug Butterfly Valve » Lug Butterfly Valve Supplier - Butterfly Valve with Resilient Rubber Seat And Gearbox

Lug Butterfly Valve Supplier - Butterfly Valve with Resilient Rubber Seat And Gearbox

Engineered for municipal, industrial, and building services, our lug-style butterfly valve with resilient rubber seat combines robust construction, bubble-tight sealing and high torque control, Gearboxes transform manual butterfly valves into heavy-duty, precision assets for water, HVAC, and industrial systems — combining human simplicity with mechanical power. As a premier Lug butterfly valve supplier, we provide certified solutions trusted by engineers for critical isolation and flow regulation.
  • CBF02-TL03

  • OEM|ODM

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Product Features:

1. Rugged Lug Type Valve Body Design:

Pipe Stress Elimination: Threaded inserts allow direct bolting to pipeline flanges without through-bolts, preventing distortion in high-vibration or thermal expansion environments.  

Dead-End Service Ready: Secures pipe ends without additional supports.  

Zero-Pipeline-Damage: 304/316 stainless steel lugs distribute load evenly, protecting FRP or aging pipelines.  

2. Triple-Sealed Resilient Rubber Seat

EPDM/NBR Compound: Resists ozone, chlorinated water (≤5 ppm), and temperature swings (-15°C to 120°C / 5°F to 250°F).  

Zero-Leakage Guarantee:Meet or Exceeds AWWA C504 Class IV sealing.  

Self-Compensating Design: Automatically adjusts to disc wear and minor pipe misalignment.   3. High Torque Industrial Gearbox

15:1 to 100:1 Ratio Options, Weatherproof Housing, Position Indicators.

Lug Butterfly Valve Supplier-Butterfly Valve with Resilient Rubber Seat and Gearbox-1 (2)

Technical Specifications

Component

Specification

Body

Cast Iron  Ductile Iron  Carbon Steel  Stainless Steel  AL-Bronze

Disc

PTFE  Ductile Iron  Carbon Steel Stainless Steel  AL-Bronze

Lining

EPDM NBR(BUNA-N) PTFE(Teflon) HEPDM FKM(VITON) Polychlorogrene  Natural Rubber  Silicone Rubber

Shaft

Stainless Steel  MONEL K500  C92200 C63000  2507  2205

Pressure Rating

10/16Bar  ANSI 150# (Standard), Higher Ratings Available

Temperature Range

-15°C to 120°C (5°F to 250°F) - Consult for extremes

Actuator

Hand  Lever  Worm Gear  Electric  Pneumatic

End Connections

Lugged & Tapped (ANSI B16.5 / EN 1092-1)

Certifications

ISO9001, WRAS, ACS, UKCA, CE, ABS

Lug Butterfly Valve Supplier-Butterfly Valve with Resilient Rubber Seat and Gearbox-1 (1)

Applications Built for Longevity

Potable Water Treatment & Distribution

HVAC Chilled Water & Cooling Towers

Wastewater Pump Stations & Effluent Control

Power Plant Cooling Water Circuits

Industrial Process Water Isolation

Lug Butterfly Valve Supplier-Butterfly Valve with Resilient Rubber Seat and Gearbox-2 (1)

Why Engineers Specify Our Valves

Maintenance-Free Operation: PTFE-bushed shaft, encapsulated bearings, and corrosion-proof hardware.  

Seismic Resilience: Lug design absorbs pipe movement (IBC & OSHPD compliant).  

Retrofit Efficiency: Direct replacement for gate valves – 70% shorter installation time.  

Lifetime Cost Advantage: 3x longer service life vs. wafer valves in water hammer scenarios.

Lug Butterfly Valve Supplier-Butterfly Valve with Resilient Rubber Seat and Gearbox-2 (3)

Conclusion:

Welcome to purchase our high-quality Lug Type Butterfly Valves. If you have any procurement needs, OEM/ODM or custom requirements, please contact our professional sales manager: dekai@worldsvalve.com


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AWWA C504 double flange butterfly valve with replaceable rubber seat has many of the design features and benefits , such as high Cv ratings, minimum parts exposed to the line media, greater reliability and a proven record of long service life. A major design advantage of this valve product lines is international compatibility.
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PFA coated split body butterfly valve is one of Tianjin Worlds valve’s representative products.,High performance and long service life.This butterfly valve series has many of the design features and benefits ,The PTFE powder we use is primary micropowder, Never use recycled materials. PTFE disc and seat ,16 bar water pressure with zero penetration, and 30KV electric spark test is qualified.PTFE or PFA coated butterfly valve can be used in Heavy corrosive medium, strong acid ,strong basicity and so on.
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