Wafer butterfly valve D671X-10Q1
Wafer butterfly valve D671X-10Q2
Wafer butterfly valve D671X-10Q3
Wafer butterfly valve D671X-10Q4

Wafer butterfly valve D671X-10Q

Size Range: DN50

Pressure: PN10

Body Materials: Ductile iron/WCB

Seat Materials: EPDM/NBR

Disc Materials: Ductile iron/SS304/SS316

Stem Materials: SS420/SS304/SS316

Introduction

Compact & Lightweight
The valve body is only 50% the thickness of a flanged valve, reducing weight by 40%-60%, making it ideal for space-constrained piping systems (e.g., ships, compact equipment).

Easy Installation & Cost-Effective
It is directly clamped between two pipe flanges and secured with bolts, saving on costs for flanges, bolts, and other fittings. The overall cost is 20%-30% lower than that of flanged valves.

Bidirectional Sealing
The medium can flow in both directions, eliminating the need to distinguish between inlet and outlet, thus simplifying pipeline design.

Low Flow Resistance
The streamlined disc design provides a large flow passage area, resulting in a low flow resistance coefficient (Kv value) and reducing system energy consumption.

Simple Maintenance
For online replacement of seals or discs, simply loosen the pipe flange bolts to remove the entire valve without disassembling the pipeline

Parameters

Name Design and manufacture Face to face Length Pressure Test Side flange drilling
Reference Standard API609 ASME B16.10 API598 ASME B16.5
 
Name Body Disc Shaft Seat Actuator
Material Ductile iron SS304 SS420 EPDM Pneumatic actuator
 
Norminal pressure Gas seal test(MPa) Water seal test (MPa) Shell seal test(MPa) Working tempreature Applicable medium Working pressure
PN10 0.6 1.1 1.5 -15...+85℃ Water, gas, slurry, etc 10bar


 
Application
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