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Our Product — Butterfly Valve - Lug tpye butterfly Valve

● Standards:

  1. 1.Design and manufacture: EN 593/BS 5155/MSS SP-67.
  2. 2.Flange dimensions: EN 1092-2/BS 4504/ASME B16.1.
  3. 3.Top flange dimensions: ISO 5211.
  4. 4.Face to face dimensions: EN 558/ISO 5752/DIN 3202.
  5. 5.Test and inspection: API 598/EN12266.
  6. 6.Size up to 48".

● Materials

Part

Material

ASTM

Body

Cast Iron

A126 Class B
Ductile Iron A536Gr. 65-45-12

Disc

Ductile Iron

A536Gr. 65-45-12
Bronze B148 C95400
Stainless Steel A351 CF-8
Stainless Steel A351 CF-8M

Shaft

Stainless Steel

A276 S 410 00
Stainless Steel A276 S 431 00

Seat Ring

EPDM/NBR/Viton/PTFE

 

O-Ring

EPDM/NBR

 

Bushing

PTFE

 
Bronze B62 C83600
● Dimensions
DN mm 40 50 65 80 100 125 150 200 250 300
inch 1-1/2 2 2-1/2 3 4 5 6 8 10 12
A 68 80 89 95 114 127 139 175 203 242
B 110 161 175 181 200 213 226 260 292 337
C 24 30 30 30 30 30 30 34 34 34
L 33 42 45 45 51 55 55 60 67 76
DN mm 350 400 450 500 550 600 650 700 800 1000
inch 14 16 18 20 22 24 26 28 32 40
A 267 316 334 370 433 468 484 530 675 810
B 368 400 422 480 533 562 540 626 602 724
C 40 52 52 64 70 70 70 95 95 130
L 76 102 114 127 151 151 172 165 190 216

● Valve Standard

  1. 1.Design and manufacture: EN 593/BS 5155/MSS SP-67.
  2. 2.Flange dimensions: EN 1092-2/BS 4504/ASME B16.1.
  3. 3.Top flange dimensions: ISO 5211.
  4. 4.Face to face dimensions: EN 558/ISO 5752/DIN 3202.
  5. 5.Test and inspection: API 598/EN12266.
  6. 6.Size up to 48".

● Materials

Part

Material

ASTM

Body

Cast Iron

A126 Class B
Ductil Iron A536Gr. 65-45-12

Disc

Ductil Iron

A536Gr. 65-45-12
Bronze B148 C95400
Stainless Steel A351 CF-8
Stainless Steel A351 CF-8M

Shaft

Stainless Steel

A276 S 410 00
Stainless Steel A276 S 431 00

Seat Ring

EPDM/NBR/Viton/PTFE

 

O-Ring

EPDM/NBR

 

Bushing

PTFE

 
Bronze B62 C83600
● Dimensions
DN mm 40 50 65 80 100 125 150 200 250 300
inch 1-1/2 2 2-1/2 3 4 5 6 8 10 12
A 68 80 89 95 114 127 139 175 203 242
B 110 161 175 181 200 213 226 260 292 337
C 24 30 30 30 30 30 30 34 34 34
L 33 42 45 45 51 55 55 60 67 76
DN mm 350 400 450 500 550 600 650 700 800 1000
inch 14 16 18 20 22 24 26 28 32 40
A 267 316 334 370 433 468 484 530 675 810
B 368 400 422 480 533 562 540 626 602 724
C 40 52 52 64 70 70 70 95 95 130
L 76 102 114 127 151 151 172 165 190 216

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