Pfa Butterfly Valve - China Manufacturers, Factory, Suppliers

Pfa Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Butterfly Valve Introduction

Introduction: A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The “butterfly...
Butterfly valves: Difference between Wafer and Lug

Wafer type + Lighter + Cheaper + Easy installation - Pipe flanges required - More difficult to centre - Not suitable as end valve In the case of a Wafer-style butterfly valve, the body is annular ...
Cause analysis of common valve faults

(1) The valve does not operate. The fault phenomenon and its causes are as follows: 1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
The difference between soft sealed and hard sealed butterfly valve

Hard sealed butterfly valve: Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...