Specification :

BUTTERFLY VALVE PRODUCT’ S SIZE:
PRESSURE GRADE FROM TO
PN16 4� 48�
PN25 4� 48�

DESIGN DESCRIPTION:
* CAST STEEL BUTTERFLY VALVE PN16/ 25
* TRIPLE ECCENTRIC TYPE.
* MILTILAYER DISC SEAL IN ST.ST+ GRAPHITE
* AVAILABLE PTFE SEAL
* METAL SEAT FACING.
* CONNECTION: RF( RAISED FACE) ; RTJ ( RING TYPE
JOINT) , LUG TYPE FLANGE
WORKING PRESSURE AND TEMPERATURE
WORKING TEMPERATURE
MATERIAL CELSIUR SCALE
CARBON STEEL -290
C~ 2200
C
STAINLESS STEEL -400
C~ 2200
C

GENERAL DESIGN SPECIFICATIONS:
ITEM GERMANY STANDARD
MANUFACTURE DIN 3202
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE DIN 3202 K3
END FLANGE DIN2543/ 2544
INSPECTION AND TEST DIN3230
TEST PRESSURE TO DIN3230

PARTS AND MATERIAL ( ASTM)
NO. PART NAME MATERIAL
1 BODY ASTM A216-WCB/ A351-CF8/ CF8M
2 COVER ASTM A105/ ENP/ A182-F304/ F316
3 SEAT RING GRAPHITE+ 304/ GRAPHITE+ 316
4 DISC ASTM A216-WCB/ A351-CF8/ CF8M
5 PIN ASTM A276-410
6 STEM ASTM A276-420
7 BUSHING STEEL LINER PTFE
8 STEM PACKING GRAPHITE
9 GLAND A182-F6a/ F304/ F316
10 GLAND BOLT A193-B7/ B8/ B8M
11 GLAND NUT A194-2H/ 8/ 8M
12 YORK ASTM A216-WCB/ A351-CF8/ CF8M
13 GEAR DUCTILE IRON
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.
DIN SHELL ( WATER) SEAT ( WATER) SEAT ( AIR)
PN16 2.4MPA 1.76MPA 0.6MPA
PN25 3.6MPA 2.75MPA 0.6MPA
DIMENSIONS LIST ( UNIT: MM) :
mm d D D1 D2 b n-d L H H1 A B C DO
50 50 165 125 102 20 4-18 108 355 110 50 61 106 250
65 65 185 145 122 18 4-18 112 365 116 50 61 106 250
80 80 200 160 138 20 8-18 114 370 128 50 61 106 250
100 100 220 180 158 20 8-18 127 415 140 50 61 106 250
125 125 250 210 188 22 8-18 140 450 185 50 61 106 250
150 150 285 240 212 22 8-22 140 580 190 65 80 215 300
200 200 340 295 268 24 12-22 152 600 215 65 80 215 300
250 250 405 355 320 26 12-26 165 690 260 65 80 215 300
300 300 460 410 378 28 12-26 178 830 290 85 108 200 400
350 350 520 470 438 30 16-26 190 890 323 85 208 200 400
400 400 580 525 490 32 16-30 216 980 374 100 144 330 400
500 500 715 650 610 36 20-33 229 1130 415 160 220 250 500
600 600 840 770 725 40 20-36 267 1240 490 160 220 250 500
700 700 910 840 795 42 24-36 292 1430 530 230 220 270 500
800 800 1025 950 900 42 24-39 318 1545 670 230 220 270 500
900 900 1125 1050 1000 44 28-39 330 1920 710 290 279 515 500
1000 1000 1255 1170 1115 46 28-42 410 1950 740 290 279 515 500
1100 1100 1370 1280 1220 50 32-42 440 2230 815 290 279 515 500
1200 1200 1485 1390 1330 52 32-48 470 2350 850 290 279 515 500
* We hereby reserve the rights of any alternative dimension that would help to improve our
valve' s quality and working efficiency