product overview

The flange type rubber lined soft seal butterfly valve is suitable for pipelines with media such as water, oil, and air in metallurgy, chemical, power, municipal engineering, and water plants. It plays a role in cutting off fluids and regulating the flow rate of media.

Product Features

1. The flange type rubber lined soft seal butterfly valve has a novel design, small overall size, and light weight.
2. Small operating torque, easy to operate, labor-saving and agile.
3. Easy to install and maintain in any location.
4. The seals can be replaced, and the sealing performance is reliable, achieving bi-directional sealing with zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance, and long service life.

Technical Parameter

Product Name: Worm Gear Transmission Flange Butterfly Valve
Product model: D341X-10
Product specifications: DN50-DN800
Nominal pressure: PN1.0/1.6Mpa
Applicable media: water, gas, oil, etc
Applicable temperature: -23~121 ℃

Adopting standards

manufacturer's standard	GB12238-89	Flange standard	GB/T17241.6 GB/T9113.1
Structural length standard	gB12221-89	Inspection standards	GB/T13927-92

Main performance specifications

model	Nominal testing pressure PN（MPa）	Shell Test Pressure PS（MPa）	Seal test pressure PS（MPa）	operation temperature （℃）	Applicable Medium
3 D641X-6 9	0.6	0.9	0.66	≤80℃	Water and oil products
3 D641X-10 9	1.0	1.5	1.1	≤80℃	Water and oil products

Material for main parts

Part name	Valve body, butterfly plate	valve stem	valve seat	sealing ring	filler
material	Grey cast iron nodular cast iron cast iron stainless steel Nickel chromium cast steel	medium carbon steel Stainless steel (2Cr13) 1Cr18Ni9Ti	Copper alloy, stainless steel	Nitrile rubber EPDM PTFE VITON	Flexible graphite