Custom OEM/ODM Soft Seal Butterfly Valve Company Supplier

Soft Seal Butterfly Valve

Economical, Bubble-Tight Flow Control for Water & Utility Applications

The Soft Seal Butterfly Valve (also known as resilient seated butterfly valve) is designed for low to medium pressure flow control, offering bubble-tight shut-off, lightweight structure, and long service life. Featuring an elastomer-lined body or seat, it ensures safe, corrosion-resistant operation for general-purpose pipelines—especially in water treatment, HVAC, fire protection, irrigation, and light industrial systems.

Who Uses Soft Seated Butterfly Valves?

User	User Profile	Key Priorities
Municipal Water Engineer	Manages potable and wastewater lines	Bubble-Tight Seal, Anti-Corrosion
HVAC System Integrator	Installs large-scale chiller/boiler systems	Low Torque, Easy Actuation
Fire Protection Contractor	Works on sprinkler loop isolation	UL/FM Approval, Quick Response
Irrigation Network Builder	Handles field valve installations	Easy Maintenance, UV & Weather Resistance

Key Features & Benefits:

Double Flanged Ends (FF / RF)
Easy alignment and bolted connection to standard pipeline flanges.

Tight Shut-Off with Resilient Seat
Bidirectional sealing with options like EPDM, NBR, PTFE, or Viton.

Full 360° Disc Rotation
Suitable for throttling or full shut-off; low torque operation.

Actuator Mounting Ready (ISO 5211)
Compatible with manual gear, electric, or pneumatic actuators.

Bubble-Tight, Corrosion-Resistant Design
Ideal for water, air, gas, mild chemicals, and fire protection systems.

Technical Specifications

Parameter	Specification
Size Range	2” ~ 48” (DN50 ~ DN1200)
Pressure Rating	PN10 / PN16 / Class 150
Body Materials	Cast Iron, Ductile Iron, WCB, SS304
Disc Materials	Ductile Iron, SS304/316, Nylon-Coated, Bronze
Seat Options	EPDM, NBR, PTFE, Viton, Silicone
End Types	Wafer / Lug / Flanged
Design Standards	API 609, EN 593, ISO 5752, JIS B2032
Testing	API 598, EN 12266-1, Bubble-Tight Class A

Sample Product Code

SSBV-PN16-DI-EPDM-6IN-WAFER
(Soft Seal Butterfly Valve, PN16, Ductile Iron Body, EPDM Seat, 6 Inch, Wafer Type)

Typical Applications：

Potable Water Systems – Main line isolation, tank outlet control

Wastewater Treatment Plants – Sludge and clean water control

HVAC & Chilled Water Systems – Building-level zone valves

Fire Protection Networks – Loop isolation, pump discharge

Agricultural Irrigation – Field pipelines, filter bypass

General Industry – Low-pressure air, gas, or liquid lines

Why Choose Our Soft Seal Butterfly Valves?

Zero-Leakage Shut-Off in Low-Pressure Systems
Ideal for water, HVAC, and non-critical industrial use.

Low Torque = Smaller Actuator = Lower Cost
Energy-saving and space-efficient.

Easy Installation, Minimal Maintenance
Lightweight body, replaceable seat, long seal life.

Globally Trusted Quality
Installed in municipal pipelines, buildings, and utility systems across 30+ countries.

Need a Simple, Reliable Valve for Your Water System?
Request a Custom Quote Within 24 Hours
For more details about Zhejiang Yushun Valve Co., Ltd., please contact us:
Email: w584574148@gmail.com