Origin	China
Model Number	D343H/W
Brand Name	YUGAO
Material	Casting
Media	Oil
Power	Manual
Pressure	Medium Pressure
Standard or Nonstandard	Standard
Structure	Butterfly
Temperature of Media	Medium Temperature

This butterfly valve is our new developed Resilient Seated Eccentric Flanged Butterfly Valve.It is ideal for the water supply and drainage systems in water works, power generating factory, steel mill, paper-making, chemicals, water source engineering, the construction of environment installations etc. Especially suitable for use as ideal equipment for adjusting and shutting off flow in water pipelines.

nPerformance Parameters

Nominal Diameter		DN100(4”)~DN1200(48”)		Mm(inch)
Nominal Pressure		PN10	PN16	MPa
Test Pressure	Sealing	1.1	1.76
	Shell	1.5	2.4
Working Temperature		-10~+80(C)
Suitable Medium		Fresh water, Sewage, Sea water, Air

nProduct Features

l  Reasonable design,compact construction,easy to installation and maintain.

l  Eccentric structure allows reduced friction with seal ring and extended service life.

l  T structure of the disc sealing ring, the seal pair is linear sealing.

l  Sound seal design gives a full sealing without any leakage.

l  By changing materials of the disc sealing ring,o-ring,disc and stem, the product can be used in many different media and temperature condition.

nProduction Standard

l  The product is in conformi ty with standard GB12238-1989 Universal Valves-Flanged and Wafer Butterfly Valves.

l  Test are in conformi ty wi th standard GB/T13927-1992 Universal Valves-Pressure Test.

l  Connecting between side flanges is in conformity with standard GB/T17241.6-1998 Int egral Cast I ron Pipe Flages and PN1.0MPa,PN1.6MPa flange-connection standard provided in BS4504ï¼ÂÂŒISO7005 and DIN2501respectively. Structure length:

l  Structure length:

(1) Short series meet dimension rules of long series wafer butterfly valve of GB12221 -1989 Flange connection metal structure valve length.

(2) Long series meet dimension rules of long series double flange connection but ter f ly valve of GB12221-89 flange connection metal Valve structure length