Butterfly valve

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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email：info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer

Double flanged concentric butterfly valve

Port size：2″ to 88″,DN50-DN2000
Pressure：PN10-16 bar,150LB,JIS 5K 10K
Structure：Concentric
Medium：Water,air,etc.
Temperature :-29～120℃
Body material：Cast iron,ductile iron,carbon steel,stainless steel,etc.
Connection：Double flanged or others
Feature：Manual,electric,pneumatic actuator is optional

Product Description

Double flanged concentric butterfly valve features a bonded liner extending over the flanges. The double flange concentric butterfly valve design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.

Double flanged concentric butterfly valve feature
1,ISO5211 top flange together with stem heat suitable for direct mounting of actuators
2,Stem anti-blowout design keep safety in field use
3,Bonded seat protects the body and shaft out of contact with medium
4,No exposed pins or bolts for stem-to-disc connection
5,Single flange mounting is possible
6,Can be installed in any desired position
7,Bubble-tight shut off at full pressure rating
8,Large flow capacity and enough strength

Double flanged concentric butterfly valve part list

Double flanged concentric butterfly valve

NO.	Part name	Material
1	Body	ASTM A536 65-45-12, WCB, CF8M Bonded with NBR or EPDM
2	Disc	ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
3	Stem	SS420,SS431
4	Screw	SS304
5	Retainer	SS201
6	Weather seal	NBR
7	Bearing	RPTFE with Graphite on I.D.
8	Lower Stem	SS420, SS431
9	Bottom cover	Same as body
10	Bolt	SS304
11	Screw	SS304

Double flanged concentric butterfly valve specification

Body style	Flange
Nominal diameter	2″ – 88″ (DN50mm – DN2000mm)
Top flange	ISO5211
Operating pressure	16bar for DN50-DN300, 10bar for DN350-DN2200
Temperature range	-20 °C to + 140 °C (depending on pressure, medium and material)
Flange accommodation	EN 1092 PN 6/PN10/PN16 ASME Class 150AS 4087 PN10/ PN16JIS 5K/10K
Applications	Potable Water, Wastewater, Seawater, HVAC
Operation	Hand lever, gear box, pneumatic actuator, electric actuator

Butterfly valve

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SHANGHAI HUIXUAN VALVE

Double flanged concentric butterfly valve

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