Origin	China
Model Number	D41X-10C
Brand Name	YUGAO
Material	Casting
Media	Gas
Power	Manual
Pressure	Medium Pressure
Standard or Nonstandard	Standard
Structure	Butterfly
Temperature of Media	Medium Temperature

Flanged connection central line butterfly valve is our newest patent product. Possessing some virtue of eccentric flanged butterfly valve and wafer central line butterfly valve. Filling up the blank between eccentric flanged butterfly valve and wafer central line butterfly valve.

nDesign Parameters

1.Design Standard: GB12238; AWWA C504

2.Body Flange Drilling: DIN 2501; ANSI 125/150; BS 4504; GB 17241.6

3.Top Flange: ISO 5211

4.Face to Face: ISO 5752; AWWA C504; GB12221

5.Test Inspection standard: API 598; GB13927

nProduct Features

1.Two way sealing performance are good. Minimized torque, parts' producing performance is excellent.

2.Flow curve tending to straight line. Excellent regulation performance.

3.Flanged assembling is convenient, stand and lie assembling is ok.

4.Material of sealing pair is various, clients can select according to demand.

5.Valve can be used in pipe-end evacuation performance reliability.

6.Seat sealing ring and body are connected to one-piece, so the valve has longer working life.

7.Strong wash and brush resistance,fit to bad working condition and environment.Can be used in cutting off and regulating medium.

nPerformance Specification

Nominal Diameter		DN50(2”)~DN600(24”)		Mm(inch)
Nominal Pressure		PN10	PN16	MPa
Test Pressure	Sealing	1.1	1.76
	Shell	1.5	2.4
Working Temperature		-15~+150(C)
Suitable Medium		Fresh water, Sewage, Sea water, Air, Vapour, Food, Medicine, Oils, Acids, Alkalis etc..
Actuator		Lever, Gear box, Pneumatic or Electric actuator

 nMaterials of the Main Parts  

No.	Parts	Materials
1	Body	CI+EPDM/NBR
		DI+ EPDM/NBR
2	Bushing	Lubrized Bronze
		F4-PTFE
3	Shaft	Stainless Steel
4	Disc	DI, AL-bronze, Stainless steel
5	Taper pin	Stainless Steel
6	O-ring	Rubber
7	Key	Steel 45

nSuitable Temperature for Seat 

Code	Material	Suitable Temperature Range
X1	Natural rubber	-20-85(C)
X2	Hypalon	-18-140(C)
X3	EPDM	-30-140(C)
X4	Neoprence	-7-107(C)
X5	NBR	-12-93(C)
X6	Wear	-10-50(C)
X7	Viton	-12-149(C)
X9	Heat resistant rubber	-10-150(C)