Fujian Province Datong Reciprocity Valve Co.,Ltd is a leading China lever operating concentric butterfly valve, 1 inch butterfly valve manufacturer and supplier, and as a professional company, we have productive factory to offer you good price and service.
LEVER OPERATING CONCENTRIC BUTTERFLY VALVE
Features
1. Compact structure, convenient manufacture;
2. Easy handling,90 degrees rotation with quick on/off switch;
3. Stable flow regulating, good regulating characteristics;
4. Low flow resistance, large fluid;
5. Numbers of on/off times up to tens of thousands; long life service;
6. Various type of parts materials opted for use in different medium;
Product Description
1.Small in size and light in weight, ways installation and maintenance, it can be mounted wherever needed
2.Simple and compact construction, quick 90 degree on-off operation
3.Minimized operating torque, energy saving
4.Flow cure tending to straight line, Excellent regulation performance
5.Long service life.Standing the test of tens of thousands opening/closing operations
Application
It is widely used in pipelines as control or throttling apparatus for supply and drainage pipeline of potable water, seawater, waste water, petrochemical industry, energy and power, shipping, food and drug, natural gas, coal gas, HVAC and fire protection systems as well as the building pipelines.
Standards and Product Parameter
Face to face |
Flange Connection |
Top Flange |
BS5155short,ISO5752,DIN3202 F16 |
DIN PN 10/16/25;ANSI B16.1,BS4504,ISO PN 10/16 |
ISO5211 |
Material list
ITEM |
PART NAME |
STANDARD |
LOW TEMPERATURE |
STAINLESS STEEL |
1 |
BODY |
A216 WCB |
A352 LCC |
A351 CF8M |
2 |
BUSHING |
PTFE |
PTFE |
PTFE |
3 |
SEAT |
PTFE/RUBBER |
PTFE/RUBBER |
PTFE/RUBBER |
4 |
PIN |
A276 410 |
A276 304 |
A276 316 |
5 |
STEM |
A182 F6 |
A182 F304 |
A182 F316 |
6 |
DISC |
A216 WCB |
A352 LCC |
A351 CF8M |
7 |
GEAR OPERATOR |
ASSEMBLY |