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

Centric wafer style butterfly valve

Port size：DN50-DN1200;2''-48''
Pressure：PN10/16,150LB,JIS5K/10K
Structure：Concentric,rubber lined body
Medium：Water,air,etc.
Temperature :-20~150ºC (according to rubber material)
Body material：Cast iron, ductile iron, carbon steel,stainless steel
Connection：Wafer end
Feature：Different operation is for option.

Product Description

China centric wafer style butterfly valve manufacturer,factory and supplier.Centric wafer style butterfly valve is available in pressure rating of PN 10, PN 16, Class 150.The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards.Centric wafer style butterfly valve is available in body and disc material of cast Iron, ductile iron, carbon steel (WCB), SS 304 (CF8), SS 316 (CF8M) or other material. Our Centric wafer style butterfly valve comes with wide range of Rubber Liner Options like Black Nitrile, EPDM, Viton, Hypalon, Silicon etc and metal seated structure for sever working condition.

Centric wafer style butterfly valve operation options include lever, gear unit, motorized, electrical actuator,pneumatic actuator (double / single acting).Resilient seated wafer butterfly valve can also be supplied with special arrangement of long neck, extended stem, locking arrangement, limit switch and chain wheel operator.

Centric wafer style butterfly valve specification

Design Standard	BS 5155 / API 609 / AWWA C 504 Standard
Inspection & Testing Standard	BS EN 12266 – I (BS 6755-I) / API 598 / ISO 5208
Flange To Flange Distance	As Per ANSI B 16.10 / BS 5155 / API 609
End Connection	Wafer Type To Suit Between Two Flanges
	ANSI B 16.5, Class 150 / 300
	BS 10 Table D / E / F / H
	PN 6 / PN 10 / PN 16
	DIN Standard / JIS Standard / IS Standard
Manufacuring Size Range	2″ (DN50) to 48″(DN 1200)
Pressure Rating of Valve	150#
Pressure Rating of Valve	PN 10 / PN 16
Valve Operation	Manual Flow Control Lever / Worm-Gear Actuator Operated
	Pneumatic Actuator (Single Acting Spring Return / Double Acting)
	Motorized Electrical Actuator Operated Single or Three Phase Power Supply
Valve Seat Leakge	Leakage Class VI (Zero Leakage)

Centric wafer style butterfly valve available material

Body & Disc Material	ASTM A 126 GR. B / IS 210 GR. FG 200/220/260 (Cast Iron) / Ductile Iron
	ASTM A 216 GR. WCB (Cast Carbon Steel)
	ASTM A 351 GR. CF 8 / CF 8M (SS 304 / SS 316)
	ASTM A 351 GR. CF 3 / CF 3M (SS 304L / SS 316L)
	ASTM A 351 GR. CN7M (Alloy 20)/ ASTM A351 Gr. CF8C
	ASTM A351 Gr. CD4Mcu / ASTM A351 Gr. CK3MCuN
	ASTM A352 Gr. LCA / LCB / LCC (Low Temperature Carbon Steel)
	Aluminium Bronze / Hastelloy C – 22/276 / Super Duplex Steel
	NACE MR0175 / NACE MR

Spindle/Stem Material	304 / 316 (SS 304 / SS 316) – ASTM A 276 T
	304L / 316L (SS 304L / SS 316L) – ASTM A 276 T
	ASTM A 276 T – 410 (S.S. 410 – 13% Cr. Steel)
	Alloy 20 / Hastelloy / Monel
	Duplex Steel / Super Duplex Steel

Seat (Rubber seated)	NBR, Buna-N,
	Nitrile, EPDM, Neoprene, Hypalon,
	Silicon, Viton,

Centric wafer style butterfly valve feature
1. Integrally molded seat liner on the body, which ensures excellent dimensional stability & guaranteed seat tightness.
2. Seat liner extending on to the contact faces ensures perfect sealing and eliminates the need for separate flange gaskets.
3. Unique triple sealing system for shaft sealing ensures zero leakage of the media past the shaft seals.
4.Narrow land disc ensures perfect sealing with least operating torque requirements.
5.A fully universal body design ensures fitment of the valve between companion flanges of all popular standards (ANSI, BS, DIN, JIS, GB.etc. ).
6. Several position notch disc and hand lever ensures locking of the valve in 8 intermediate position in addition to closed and open position. Hand
7. Lever lockable through pad lock for tamper proof positioning.
8. Body castings made of superior material to ensure additional strength.
9. Wafer butterfly valve disc made of ductile cast iron instead of cast iron to withstand against possible water hammer or pressure surges.
10. A truly line size body bore to ensure maximum flow capacity with the lowest pressure drop.
11. Shafts made of martensitic stainless steel to ensure maximum strength and torsional rigidity.
12. Both top and bottom shaft swiveling are guided by self – lubricated bearings.

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Butterfly valve

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Centric wafer style butterfly valve

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