wafer type butterfly valve
wafer type butterfly valve
wafer type butterfly valve
wafer type butterfly valve
wafer type butterfly valve

Wafer type butterfly valve

Design: API609, ASME B 16.34, BS EN593
Flange: ASME B 16.5, ASME B 16.47, BS EN1092
Face to Face: API 609, , BS EN 593 S13 S14 , and ISO5752
Materials: Body :WCB/CF8/CF8M/904L
Description
Standards
Remarks
parameter(Dimension: mm)
Description
Size DN100—DN1600mm
4inch—64inch
Pressure Limits PN10/PN16/PN25/150LB/300LB
Standard Designed: API609, ASME B 16.34, BS EN593
Face to Face: API 609, , BS EN 593 S20 S25
Flange End: GOST 33259 1092-1 
Inspection Test: API 598, BS EN 12266
Body Style Wafer & Lug
Materials Body: WCB/CF8/CF8M/904L
Disc :  WCB/CF8/CF8M/904L
Stem :SS410 /SS420/SS304/SS316/904L/ Duplex SS
Seat Materials:304/316/Graphite/Asbestos/PTFE
Features and benefits Metal to metal sealing or rubber sealing
Triple eccentric design
Bi-directional
Zero leakage
APPLICATIONS Water/sea water
Acid /Caustic /Chloride
Oil and so on
Temperature Limits From -59 up to 425
Drive Manual/Worm gear/Electric/Pneumatic
Standards
Design:
API609, ASME B 16.34, BS EN593
Flange:
ASME B 16.5, ASME B 16.47, BS EN1092
Face to Face:
API 609, , BS EN 593 S13 S14 , and ISO5752
Materials:
Body :WCB/CF8/CF8M/904L
Disc : WCB/CF8/CF8M/904L
Stem :SS410 /SS420/SS304/SS316/904L/ Duplex SS
Seat Materials:304/316/Graphite/Asbestos/PTFE
Remarks
Design and manufacture as per BS EN593
Face to face dimensions as per BS EN558 Series 25
Flange dimensions as per Gost 33259-2015
Pressure test as per BS EN12266-1
Pressure test PN10 PN16 PN25
Shell 15bar 24bar 37.5bar
Seal Water 11bar 17.6bar 27.5bar
Air 6bar 6bar 6bar

Media: Water, oil and gas Temperature: -15~350℃ Dimension: mm

Material for main parts
No. Part Name Material No. Part Name Material
1 Cover Q235 8 Disc WCB
2 Thrust ring 20# 9 Retainer Q235
3 Body WCB 10 Packing Graphite
4 Bushing Self-lubricating 11 Gland WCB
5 Body seat SS304 12 Yoke WCB
6 Disc seat SS304+XB450 13 Gear box Ductile iron
7 Stem 2Cr13      
parameter(Dimension: mm)
DN PN LF D0 D1 4-M (Number of holes) H # H1 #
250 10 76 322 350 4-M20 30° 12 405 248
16 355 4-M24
25 370 4-M27
300 10 83 368 400 4-M20 30° 12 440 289
16 410 4-M24
25 430 4-M27 22.5° 16
350 10 92 427 460 4-M20 22.5° 16 490 333
16 470 4-M24
25 490 4-M30
400 10 102 480 515 4-M24 22.5° 16 512 364
16 525 4-M27
25 550 4-M33
450 10 114 533 565 4-M24 18° 20 573 380
16 585 4-M27
25 600 4-M33 585
500 10 127 582 620 4-M24 18° 20 602 425
16 650 4-M30
25 660 4-M33
600 10 154 680 725 4-M27 18° 20 730 485
16 720 770 4-M33 700 450
25 4-M36
700 10 165 800 840 4-M27 15° 24 740 525
16 4-M33
800 10 190 902 950 4-M30 15° 24 835 585
16 4-M36
900 10 200 1010 1050 4-M30 12.857° 28 881 650
16 4-M36 916
1000 10 216 1120 1160 4-M33 12.857° 28 970 695
16 1170 4-M39
1200 10 254 1311 1380 4-M36 11.25° 32 1107 815
16 1390 4-M45
1400 10 279 1525 1590 4-M39 10° 36 1255 935
16 4-M45
1600 10 318 1765 1820 4-M45 40 1344 1010
16 4-M52

#           "H" and  "H1" for reference only.
SEND MESSAGE
Related Products
Wafer type butterfly valve
DN200-500 Bidirectional flange triple offset butterfly valve
DN50-DN300 Double flange type Metal to Metal Butterfly Valve
Copyright © Henan Yuda Valve Manufacturing Co., Ltd All Rights Reserved   Technical Support: Coverweb
Email
Skype
Wechat