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美國ALSO艾索蝶閥（TRIPLE OFFSET BUTTERFLY VALVE）

Our triple offset (fire safe) metal seated butterfly valve is available in wafer or lug styles in sizes from 2" to 24". With low friction between the disc and seat and low torque that enables the compact actuator to be mounted. The bubble tight shut off ensures zero leakage. Seals are designed for heat expansion. Wide range of use, from water, cryogenic, hydrogen, pulp/paper, chemical plans and oil and gas processing.

ALSO’s Metal seated triple offset butterfly valves are a fantastic solution for any cryogenic or water project.  First offset has positive sealing and increases the sealing capacity.  The valve axis of the shaft is placed behind the center line of the seal.  The second offset will reduce running torque and friction between the disc and seat.  The shaft of the butterfly valve is eccentric to the center of the valve and pipe line.  The third offset is a cone shaped disc seat and body seat that is inclined around the axis of the valve seat and center line to remove abrasion from the seats.

TRIPLE ECCENTRIC BUTTERFLY VALVE CONFIGURATION:

1st Offset

To have positive sealing and increase sealing capacity, the axis of the shaft is placed behind The center line of sealing point on our Triple Offset Butterfly Valves.

2nd Offset

To  reduce  running  torque  and  friction between disc and Seat, the Triple Offset Butterfly Valves axis of the shaft is eccentric to the center of the valve and piping line.

3rd Offset

Cone shaped disc seat and body seat is inclined around the axis of the seat and center line to remove abrasion of the seats.

• Available in sizes 2" - 24"

• Triple eccentric design and cone shaped sealing design

• Zero leakage; bubble tight shut-off

• Fire safe butterfly valve body

• Low friction between seat and disc of valve

• Low torque enables the compact actuator and a long cycle life

• Sealing mechanism is designed for heat expansion

• Wide range of application from the cryogenic to high temperature industries

• Unique packing material provides fugitive emission packing

• Wafer, lug, flanged and butt weld ends available

• High temperature and pressure ratings

• 
  

The technical data butterfly valve:

Design	Connection flange	Top flange	Face to face	Test
MSS SP-67	DIN PN10/16/25	ISO 5211	API 609	API598
API 609	ANSIB16.1		ISO 5752 SERIES 20
EN593	BS4504		BS 5155
	ISO PN10/16
	JIS B2212/2213
	BS 10 TABLE D
	BS 10 TABLE E

The performance of U type butterfly valve

Nominal diameter	Nominal pressure	Testing pressure
		Body seat test	Seat test
DN50-DN1200	125，150	1.5 times rated pressure	1.1times rated pressure

Product Information：
Concentric design of body, stem and disc
Compact structure and light weight
Blow out proof stem
Bi-directional and big CV
Reliable internal and external sealing
high performance-price ratio
Reliable internal and external sealing

Performance data：
Pressure Rating: CLASS150~CLASS900 (PN10~PN160)
Bore Siz: 2〞~96〞（DN50~DN2400）
Working Temperature: -196℃~150℃
Body Material: Cast Iron, Carbon Steel, Stainless Steel, other material optional
Disc Material: Cast Iron, Carbon Steel, Stainless Steel, Aluminium bronze, other material optional
Seat Material: PTFE, EPDM, NBR, Viton, Silicone other material optional
Operating Mode: Manual, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator

Our advantage of producing butterfly valve:

1. Newly developed facilities ensure high and stable quality

2. Enable to supply all kinds of butterfly valve

3. Excellent after-sale service to satisfy our customers

4. Ensure prompt delivery

5. Reasonable and stable price

6. Meet different countries standards

• 售后服務(wù)承諾

• 對(duì)于貴公司在滬貢閥門訂購美國also艾索產(chǎn)品，美國also艾索在售后服務(wù)方面作如下承諾：

• 一、我公司對(duì)產(chǎn)品質(zhì)量實(shí)行三包，即：包質(zhì)、包換、保修；

• 二、合同簽訂后，保證保質(zhì)、保量，按時(shí)交貨；

• 三、本公司確保所提供美國艾索ALSO產(chǎn)品達(dá)到合同指標(biāo)

• 四、對(duì)于需方的技術(shù)咨詢，隨時(shí)給予解答；

• 五、在交付設(shè)備時(shí)，本廠向需方交付以下資料：發(fā)貨清單、產(chǎn)品合格證、產(chǎn)品樣本、產(chǎn)品使用說明書、技術(shù)資料；

• 當(dāng)接到用戶反應(yīng)質(zhì)量問題的信函或電話后，保證24小時(shí)內(nèi)作出答復(fù)最快解決問題。

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