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BUTTERFLY VALVE DOUBLE FLANGE DIN PN 10
BUTTERFLY VALVE DOUBLE FLANGE DIN PN 10
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VELDOLET / ASME B.31
VELDOLET / ASME B.31

BUTTERFLY VALVE DOUBLE FLANGE DIN PN 16

TECHNICAL DESCRIPTION

Butterfly valve, soft-sealing, centric with a one-piece spindle. The sealing element – a rubber cuff vulcanized to the body. Top flange according to ISO 5211.

The vulcanized cuff allows the valve to perform its functions even at negative pressure values (vacuum).

WORKING FLUID / MEDIUM

• Fuels, lubricating oil and combustible hydraulic oils,
• Petroleum, non-combustible hydraulic fluids, feed water for boilers, condensate.
• Sea water.

PERFORMANCE

• AISI 316 stainless steel disc.
• Cuff – rubber EPDM or NBR, (on request FPM/FKM).
• Other materials on request.

OPTIONS

• Manual drive
• Geared drive
• Electric or pneumatic drive

Dimensions: DN 50 – 600


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Additional Information

Materials

No. DETAILS MATERIALS
1 Body grey cast iron EN-JL1040 (GG 25)
2.1 Flap (disc) malleable cast iron
EN-JL1030 (GGG40)+chrome coating
2.2 Flap (disc) Stainless steel. Art. 1.4401 (AISI 316)
3 Pin Stainless steel. Art. 1.4408 (AISI 316)
4 Cuff NBR/EPDM Rubber
5 Spindle Stainless steel. Art. 1.4408 (AISI AISI 316)

Characteristics

SPECIFICATION
Standard Flanges EN 1092-1 PN 16
Top flange ISO 5211
Construction Length EN 558 Series 14
Performance straight
Accession Flanged PN10
Management manual, with gearbox, electric drive, pneumatic drive
Driven Sectoral
T max. [°C] NBR cuff +90 °C
EPDM cuff +130 °C
Dimensions

Sizes

DN PN Flanges/PN L ØD ØDh NxØ ØD3xØxN H H1 ØH ØE Weight (kg)
50 16 PN16 108 165 125 4 x 19 50x8x4 120 83 32 11 10
65 16 PN16 112 185 145 4 x 19 50x8x4 130 93 32 11 12
80 16 PN16 114 200 160 8 x 19 50x8x4 145 100 32 11 14
100 16 PN16 127 220 180 8 x 19 70x10x4 155 114 32 14 16
125 16 PN16 140 250 210 8 x 19 70x10x4 170 125 32 16 20
150 16 PN16 140 285 240 8 x 23 70x10x4 190 143 32 16 27
200 16 PN16 152 340 295 12 x 22 102x12x4 205 170 45 20 35
250 16 PN16 165 405 355 12 x 26 102x12x4 235 198 45 24 51
300 16 PN16 178 460 410 12 x 26 102x12x4 280 223 45 26 62
350 16 PN16 190 520 470 16 x 26 102x12x4 310 270 45 26 90
400 16 PN16 216 580 525 16 x 30 140x18x4 340 300 51 28 124
450 16 PN16 222 640 585 20 x 30 140x18x4 375 340 51 30 180
500 16 PN16 2229 715 650 20 x 33 165x22x4 430 355 57 36 210
600 16 PN16 267 840 770 20 x 36 165x22x4 500 410 70 40 302

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