D71xn Wafer Type EPDM Rubber Seat Butterfly Valve with Wear-Resistant and Corrosion-Resistant Nylon Disc

• Customization: Available
• Media: Water
• Driving Mode: Manual
• Model NO.: D71XN-16Q
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage
• Specification: DN32-DN1600
• Trademark: FVT
• Origin: Tianjin, China
• HS Code: 8481809000
• Production Capacity: 100000pieces/Years

Product Description

Product feature 
1,Meet a variety of flange connection standard, is suitable for the PN10/PN16/150LB/5K/10K 

2,Strong chemical corrosion resistance, able to resist the corrosion and abrasion of slurry and other media

3,It is designed without axle pin,reduce valve leakage points

4,The valve seat is made of wear-resistant EPDM rubber.

5,Disc is made of 2507 duplex alloy steel

NO.	1	2	3	4	5	6	7
Name	Stem	Handle lever	Shaft sleeve	Sealing ring	Body	Seat	Disc
Material	Galvanized 45 gauge steel	Stamped iron handle	Polymer composite	EPDM	Ductile iron	EPDM	Ductile iron

Product parameter
Face to Face Design	ISO 5752-20/EN558-1/GB-T12221
Flange Connection	ANSI Class125/150  JIS 5/10/16K AS2129 TableD/E BS4504 EN1092 PN6/10/16
Working Pressure	10/16bar
Testing Pressure	Shell Test:24bar /  2.4Mpa   Seal Test:17.6bar/1.76Mpa
Working Temperature	-10°-120°
Nominal diameter	DN32-DN300

Optional material
(According to your requirements to give you different material choices)

NO.	Body	Disc	Seat	Stem	Type of Operation
1	Ductile iron	Ductile iron	EPDM	Galvanized 45 gauge steel	Stamped iron handle
2	Stainless steel 304/316/316L	Stainless steel 304/316/316L	PTFE	Stainless steel 420/431 /304/316/316L	Cast iron handle
3	Aluminium alloy	Aluminum bronze	NBR		Die cast aluminum handle
4	Cast steel	Stainless steel sulfide polytetrafluoroethylene	Heat-resistant EPDM		Motorized
5	Cast iron	Ductile iron covered with nylon	Wear-resistant EPDM		Stainless steel stamped handle
6	Aluminum bronze	Ductile iron covered with vulcanized rubber	Fluorine rubber		Stainless steel cast handle
7		Stainless steel coated with PTFE	Silicone rubber		pneumatic
8		Ductile iron spray epoxy resin	Hypalon rubber	Duplex stainless steel 2205/2507/1.4469/1.4529	Worm gear box
9		Stainless steel spraying Halar	HNBR		Worm gear box with signal
10		Stainless steel sprayed nano-ceramics	Neoprene rubber		Hydraulic maneuver
11		Stainless steel coated with tungsten carbide	Rubber without copper or zinc	Copper alloy
12		Duplex stainless steel 2205/2507/1.4469/1.4529	Insulating rubber

Optional parameter

NO.	Temperature	Stressstress	Specification	Flange connection standard	Structural form
1	-20~80°	PN6	GB/T 12238	DIN2543-2545	Center line
2	-20-120°	PN10-16	API 609	ANSI B16.5	Double eccentric
3	0-150°	PN25	BS 5155	JIS B2220	Triple eccentric
4	-20-200°	JIS5K/10K	EN 593	BS4504
5		125LB/150LB		EN1092

Product Details