DN700-DN1200 U-SECTION BUTTERFLY VALVE-TianJin gulf valve TGV VALVE Ltd

Butterfly valve

DN40-DN300 Butterfly Valve

DN350-DN600 Butterfly Valve

DN550-DN1000 single flange butterfly valve

DN700-DN1200 U-SECTION BUTTERFLY VALVE

DN50-DN150 Thread End Butterfly Valve

DN50-DN300 Groove End Butterfly Valve

DN50-DN1200 Flange Type Butterfly valve
Check valve

DN50-DN800 Wafer Type Dual-Plate Check valve

DN15-DN400 Wafer Type Single-Plate Check Valve
Valve manual device

Sheet of Cv Value

Operating Torque (In-Lbs)

Manual Valve Operator-Gearbox

Manual Valve Operator-Lever Handle

DN700-DN1200 U-SECTION BUTTERFLY VALVE

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Medium Capability:

Freshwater, Sea water, Air, steam, food, medicine and kinds of oil, acid, alkali, salt.

Feature:

Long service life with reliable seal and without frequent maintenance. Butterfly valve have flow characteristics three times better than globe valve, and about 75% of a same size gate valve。Butterfly valve can be used for on/off service and throttling，They are superior in Multi-function as compared to gate or globe valves. Butterfly valve can be widely used in chemical field due to trim options and choice of elastomeric liner .

Butterfly valve have feature of light in weight and small in size, for example, weight andsize of a 10” butterfly valve are 1/9 and 1/6 of a 10” gate valve. So butterfly valve is easy to install and save cost of piping system. Butterfly valve with resilient seat design can be bubble tight as compared to metal seated gate or globe valves. Butterfly valves offer 90-degree open to close. Butterfly valve is approximate 35-40% cost of a same size gate valve. Also low installed cost than gate valve.

Properly installed butterfly valves are self cleaning and are less susceptible to failure due to trash material in pipe.

Structure and Parts List for Taper Pin Designed Butterfly Valve

Nominal Pressure：PN10

Item

Qty

Part Name

1

4

Hex-Bolt

2

1

Bottom Cover

3

1

“O”Ring

4

1

AdjustingGasket

5

1

Bearing

6

1

Lower Bushing

7

1

Body

8

1

Lower Stem

9

1

Disc

10

1

Upper Stem

11

3

Taper Pin

12

1

Seat

13

1

Mid Bushing

14

1

Nameplate

15

2

Upper Bushing

16

1

“O”Ring

17

2

Key

Note: When Mounting holes are clearance, it is called WU Type;
For tapped holes, it called LU Type.

Outline Dimensions and Weight for U-Section Butterfly Valve DN750-DN1200

Note：Dimensions for mounting flange above mentioned conform ANSI B16.1 125PSI, and top mounting conformto ISO5211. When required, standards from other countries or any special requirements are also available.

Size：DN700-DN1200

Nominal Pressure：PN16

Item

Qty

Part Name

1

1

ADJUSTINGSCREW, STEEL

2

1

NUT,STEEL

3

1

WASHERS,STEEL

4

1

O Ring ASTM D2000(NBR)

5

4

SCREW, STEEL

6

4

WASHERS,SPRING STEEL

7

1

END COVER ASTM A536

8

1

O Ring ASTM D2000(NBR)

9

1

ROLL PIN,AISI 1566

10

1

GASKET,STEEL

11

3

GASKET,STEEL

12

4

SHORTBUSHING ASTM B584 C83600

13

2

O Ring ASTM D2000(NBR)

14

1

LOWER SHAFTASTM A276 GRADE 420

15

1

MIDDLE BUSHINGASTM B584 C83600

16

3

TAPER IN,ASTMA276 GRADE 420

Outline Dimensions and Weight for U-Section Butterfly Valve DN700-DN1200

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