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316SS Disc 410SS Stem Wafer Butterfly Valve DN100 Dual Drilled Cast Iron Body

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316SS Disc 410SS Stem Wafer Butterfly Valve DN100 Dual Drilled Cast Iron Body

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Brand Name : TOBO

Model Number : Wafer Butterfly Valves

Certification : DIN2501 （DIN2534＿ISO2084

Place of Origin : China

MOQ : 10pcs

Price : 59-89USD

Payment Terms : D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 300000PCS

Delivery Time : 7-10DAYS

Packaging Details : Packed in plywood wooden cases

Size : DN100

Design Standard : API 609-83

Body : Cast Iron

Drilling : Dual Drilled

Temperature : maximum 130°C temperature

Structure type : Double eccentric wafer butterfly valve

Disc : 316

Packing : Flexible graphite, fluorine plastic

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Connection AISI 316 PN 10-16, DN100 150LB Wafer butterfly valves

General purpose, resilient seated butterfly valve, wafer design (dual drilled Ansi 150/AS Table E),

cast iron body, 316SS disc, 410SS stem, EPDM or NBR seat, gear operated. Rated up to 16 bar.

Sizes- 14″ (DN350)→ 36″ (DN900)

* Options: Various seats including viton, neoprene, EPT, silicon, hypalon. 316SS stem,

Aluminium bronze or DI nylon coated disc, Ductile iron body

A Butterfly valve is a quarter-turn rotary motion valve, that is used to stop, regulate, and start the flow. Butterfly valves are a quick open type. A 90° rotation of the handle can completely close or open the valve. Normally, they are used in systems where a positive shut-off is not required. In this article, you will learn about following types of Valve.

  • Wafer Type
  • Lug Style Type
  • Flanged Type
  • Butt Welded Ends Types
  • Zero offset
  • Double Offset
  • Triple Offset

Large Butterfly valves are usually equipped with gearbox type actuator, where the handwheel is connected to the stem via a gearbox. This will reduce the force but at the same time reduce the speed of the operation. This type of valve should be installed in the open position. If the valve is closed during installation, the rubber seat will wedge against the valve disc and make it difficult to open.

Fingure: B5000F
Size : 2"-36"
Design Standard : API 609-83
Face to Face : ANSI B16.10
Flange Drilling : ANSI B16.5
Application
characteristic is :due to use three eccentric configuration, hermetic capability reliably,
which ensure disc never touch sealing seat when it start, solve the problem of
hermetical seat burden unequally,prolong service life, and ensure reliable hermetic
advantage capability with of high temperature resistant, wearable,antisepsis etc.

Specification
Structre type:double flanged three eccenticity
Design standard:API609-83
flange connection dimension:ANSI B 16.5
Flange drilling:ISO5211.
Structure length:ANSI B 16.10-1992
Pressure test:API 598-82

Materials

Body WCB,CF8M　
Dise WCB,CF8M
Stem 416 Cr13Cr18Ni9Ti　
Seal ring 316,Fluorine plastic
Packing Flesxible graphite,fluorine plastic　

Dimensions

API 150LB Series
DN L H H2 D D1 D2 M n-φd1
50 108 110 345 152 120.5 92 M18 4-19
80 114 125 380 190 152.5 127 M18 4-19
100 127 145 415 229 190.5 157 M18 8-19
125 140 165 455 254 216 186 M20 8-22
150 140 175 545 279 241.5 216 M20 8-22
200 150 210 645 343 298.5 270 M20 8-22
250 160 250 695 406 362 324 M24 12-25
300 178 285 830 483 432 381 M24 12-25
350 190 320 900 533 476 413 M27 16-29
400 216 355 980 597 540 470 M27 16-29
450 222 380 1030 635 578 533 M30 16-32
500 229 415 1110 699 635 584 M30 20-32
600 267 475 1305 813 749.5 692 M33 20-35
750 292 580 1525 985 914 857 M33 28-35
800 318 630 1585 1060 978 914 M39 28-41
900 330 680 1765 1168 1085 1022 M39 32-41

API 300LB Series
DN L H H2 D D1 D2 M n-φd1
50 108 110 345 165 127 92 M18 8-19
80 114 125 380 210 168 127 M20 8-22
100 127 145 415 254 200 157 M20 8-22
125 140 165 455 279 235 186 M20 8-22
150 140 175 545 318 270 216 M20 12-22
200 150 210 645 381 330 270 M24 12-26
250 160 250 695 445 387 324 M27 16-29
300 178 285 830 521 451 381 M30 16-32
350 190 320 900 584 514 413 M30 20-32
400 216 355 980 648 571 470 M33 20-35
450 222 380 1030 711 628 533 M33 24-35
500 229 415 1110 775 686 584 M33 24-35
600 267 475 1305 914 813 692 M39 24-41
750 292 580 1525 1092 997 857 M45 28-49
900 330 680 1765 1270 1168 1022 M50 32-53

Types of Butterfly Valves Based on Body Construction

Based on the type of ends of the body butterfly valves are available in following types.

  • Both Flanged Ends

  • Wafer Type Ends

  • Lug Type Ends

  • Butt Welded Types Ends

Water Type

The wafer body is placed between pipe flanges, and the flange bolts surround the valve body. A wafer type butterfly valve is easy to installed but it cannot be used as an isolation valve.

Seat Types

Butterfly valves can be metal-to-metal seated, soft seated, or with a fully lined body and disc. The first image is of a soft seated fully lined body and disc valve. Second, is a soft seat with metal disk and the third is metal to metal seat type valve.

316SS Disc 410SS Stem Wafer Butterfly Valve DN100 Dual Drilled Cast Iron Body


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DN100 Cast Iron Butterfly Valve

      
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