Soft Backing Wafer Butterfly Valve

Butterfly Valve

※ Size Range: NPS 2 to NPS 48
※ Class Range: PN16/25/40/150LB/300LB
※ Design STD.: API609/ MSS SP-68
※ Wafer Butterfly Valve Manufacturer

yixin@yixin-valve.cn

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Description

Soft Backing Wafer Butterfly Valve – Overview

The soft backing wafer butterfly valve is a compact, lightweight flow control device designed for reliable sealing and quick operation. Featuring a wafer-style body that fits between flanges and a resilient soft seat, it ensures zero-leakage performance for water, air, and compatible industrial media. Its economical design and minimal face-to-face dimensions make it a preferred choice for space-limited installations.

Key Design Features

Wafer Body Design
Fits between standard flanges (ASME, DIN, EN, JIS) and is secured with through-bolts for easy installation.
Soft Backing Seat
Resilient liner (EPDM, NBR, PTFE, etc.) provides tight shut-off and corrosion resistance, covering both the sealing surface and body bore.
Quarter-Turn Operation
0°–90° disc rotation for quick opening, closing, and throttling control.
Disc Options
Streamlined stainless steel, ductile iron, or coated alloy discs for optimized flow with low pressure loss.
Actuation
- Manual lever or worm gear
- Pneumatic, electric, or hydraulic actuators for automated systems.
Corrosion Protection
Epoxy-coated body for enhanced durability in water and chemical service.

Applications

Water Supply & Wastewater Treatment – Isolation and flow regulation.
HVAC & Cooling Systems – Chilled and hot water circuits.
Food & Beverage – Compatible with hygienic-grade seat materials.
Chemical Industry – For non-aggressive and mildly corrosive fluids.
General Industry – Cost-effective shut-off for low and medium-pressure lines.

Advantages

Compact & Lightweight – Easy to install in tight spaces.
Economical Flow Control – Lower cost compared to flanged butterfly valves.
Zero Leakage – Soft seat provides bubble-tight shut-off.
Versatile Connection – Suitable for a wide range of flange standards.

With over 15 years of professional expertise, YIXIN has been specializing in manufacturing industry-specific flow control solutions – particularly industrial valves – catering to sectors such as oil & gas, chemical engineering, power stations, water supply, and energy.
Equipped with state-of-the-art facilities and a comprehensive manufacturing system, YIXIN delivers high-quality industrial valves, including pneumatic actuated ball valves, DBB valves, and top entry ball valves.

We have cooperated with experienced shipping forwarders for many years, they arrange the shipment. No matter by express, by air or by sea, we will track the course of the goods all the way, to make sure goods arrive at you on time and in good condition.

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Soft Backing Wafer Butterfly Valve

yixin@yixin-valve.cn