PFA/ FEP/ ETFE/ PVDF lined butterfly valve
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General Product Information

BUTTERFLY VALVES FEATURE OFFERED OPTIONS AVAILABE
APPLICATIONS MOST CORROSIVE & AGGRESSIVE CHEMICALS & VAPOURS
STANDARDS
FOLLOWED 		DESIGN : API 609 WAFER & LUG FACE TO FACE
DIMENSIONS : API 609 CATEGORY : A
CONNECTION RATING : ANSI B 16.5
TEST : API 598 		TEST : ISO 9393-2 OR BS EN
12266-1-2003
BODY ASTM A 216 GR. WCB ASTM A 351 GR. CF8 OR 8M
DISC LINING
MATERIALS 		PFA FEP/PVDF/ETFE/ECTFE & PPH
SEAT / LINERS ISOSTATICALLY MOULDED PTFE ISOSTATICALLY MOULDED
TFM / OR MPTFE
VALVE PAINTING EPOXY 2 PART PAINT PU PAINT
TEMPERATURE - 40 DEG.F TO 450 DEG. F (PFA) LINING IN FEP, ETFE & PVDF
IS AVAILABLE WITH DIFF
TEMPERATURE RANGE
DISC SEALING CLASS VI, TIGHT SHUT OFF AS PER API 598
SHAFT SEALS LOADED PACKING WITH GLAND COVERS ON TOP & BOTTOM
MAX. PRESSURE 225 PSI
FLOW DIRECTION BI-DIRECTIONAL
SPARK TEST FOR
LINED COMPONENTS 		20 KVDC

Weight / valve

SIZE KGS. LBS.
INCHES WAFER FULLLUG WAFER FULLLUG
2" 5.00 6.50 11 14.30
2.5" 6.00 7.50 13 16.50
3" 7.00 8.60 15 19.00
4" 9.00 13.40 20 16.08
5" 20.00 23.00 44 50.60
6" 23.00 25.50 51 56.10
8" 26.00 30.50 57 67.10
10" 45.00 51.00 112 112.20
12" 62.00 75.00 136 165.00
14" 66.00 80.00 145 176.00
16" 112.00 135.00 246 297.00
18" 157.00 189.00 346 415.80
20" 288.00 346.00 634 761.20
24" 420.00 504.00 924 1109.00

Torque Value for Butterfly Valve

SIZE TORQUE IN Nm TORQUE IN LB INCH
2" 30 265
2.5" 30 265
3" 30 265
4" 60 530
5" 110 972
6" 125 1105
8" 180 1591
10" 360 3183
12" 480 4243
14" 800 7072
16" 1200 10608
18" 2018 17840
20" 2460 21746
24" 3075 27183

Cv VALUES FOR BUTTERFLY VALVE AT DIFFERENT POSITIONS

SIZE 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0
2" 5.8 13 28 49 74 107 137 155
2.5" 9.3 22 47 81 125 180 232 263
3" 17 38 83 145 220 313 388 455
4" 23 56 110 188 296 447 563 678
5" 44 95 191 296 528 748 945 1177
6" 70 151 273 458 748 1108 1415 1734
8" 110 267 539 922 1369 2105 2796 3538
10" 203 406 824 1346 1867 2807 4234 5232
12" 307 605 1154 1995 3091 4599 6914 8363
14" 406 765 1369 2088 3341 5278 8329 10161
16" 591 1142 1717 2842 4907 7598 10730 13166
18" 771 1456 2587 4466 7250 10672 14210 17284
20" 1032 1879 3456 6206 9454 13688 18050 20880
24" 1125 2494 4849 8607 13166 19082 24592 28420

PRESSURE - TEMPERATURE GRAPH
FOR WCB+ PFA / PTFE LINED BUTTERFLY VALVES

How to read

Maretial Description CODE
VALVE TYPE BUTTERFLY FULL LUG BFFL
CASTING ASTM A 216 GR. WCB C1
TRIM INSERT ASTMA 890 GR. 4A(CD3MN) T5
LINING MATERIAL PFA L1
SEAT/LINER PTFE WITH SILICON BACKING PADS PS
FASTNERS ASTM A 193 GR. B7 F5
OPERATION GEAR G
LOCKING NO N
SIZE 8” 8.00

code used

TYPE OF VALVE CODE
WAFER TYPE BUTTERFLY BFWR
FULL LUG BUTTERFLY BFFL
BODY CASTINGS CODE
ASTM A 216 GR. WCB C1
ASTM A 351 GR. CF8 C2
ASTM A 351 GR. CF8M C3
ALLOY 20 C4
ASTM A 890 GR. 4A(CD3MN) C5
TRIM INSERTS CODE
ALLOY 20 T4
ASTM A 890 GR. 4A(CD3MN) T5
SUPER DUPLEX T6
OPERATION CODE
LEVER L
GEAR G
BARE STEM B
LINING MATERIAL CODE
PFA L1
FEP L2
PVDF L3
ETFE L4
ANTISTATIC PFA L7

Code used

SEAT WITH BACKING PADS CODE
PTFE WITH SILICON PS
PTFE WITH VITON PV
TFM WITH SILICON TS
TFM WITH VITON TV
FASTNERS CODE
SS 304 F2
SS 316 F3
HIGH TENSILE F4
ASTM A 193 GR. B7 F5
LOCKING CODE
PROVIDED Y
NOT PROVIDED N
SIZE
2” 2.5" 3” 4” 5” 6” 8” 10” 12” 14” 16” 18” 20” 24”
CODE
02 2H 03 04 05 06 08 10 12 14 16 18 20 24