Triple Offset Butterfly Valve
Triple offset butterfly valves provide low-wear metal sealing and reliable isolation for demanding pipeline service.
Triple offset butterfly valves are designed for services where conventional butterfly valve seating can experience excessive friction and wear. The three-offset geometry allows the sealing surfaces to separate immediately as the disc begins to open, minimizing rubbing through most of the valve travel and allowing contact only near final closure. Projects specifying a Triple Offset Butterfly Valve Manufacturer in USA typically require dependable isolation, controlled operating torque and consistent sealing through repeated operating cycles. This design is particularly useful where long service life and reliable shutoff are more important than the resilient-seat arrangement used in conventional butterfly valves.
Technical Specifications
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Double Flanged Butterfly Valve
Double Flanged Butterfly Valve Body: DI, CF8, CF8M, SS304, SS316 Bushing: PTFE Seat: EPDM, NBR Stem: Stainless Steel Disc: DI, CF8, CF8M, SS304, SS316 Pin: Stainless Steel Bushing: PTFE O-Ring: NBR Nominal Diameter: DN65 to DN400 Nominal Pressure: PN10 to PN64, Class150 to Class2500 End Connection: Flanged Operation: Manual, Gear Operated, Electric Actuated, Pneumatic Actuated Dimension Class150 Unit: mm DN A B C L фk N- фd 65 72 136 32 112 139.7 4-ф19 80 88 146 32 114 152.4 4-ф19 100 96.5 158 32 127 190.5 8-ф19 125 115 179 32 140 215.9 8-ф22 150 126 197 32 140 241.3 8-ф22 200 161 230 45 152 298.4 8-ф22 250 199 271 45 165 361.9 12-ф25 300 215 305 45 178 431.8 12-ф25 350 261 350 45 190 476.2 12-ф28 400 290 381 51 216 539.7 16-ф28
Triple Eccentric Butterfly Valve
Triple Eccentric Butterfly Valve Body: WCB, CF8, CF8M Body Surface: Stainless Steel Seal: Stainless Steel+RPTFE Disc: Stainless Steel Stem: Stainless Steel Pin: Stainless Steel Hexagon Socket Screw: B8 Bonnet: Stainless Steel Bushing: Stainless Steel Packing: Graphite Gland: Carbon Steel Bolt: A193 B7 Nut: A194 2H Yoke: Carbon Steel Nominal Diameter: DN300 to DN600 Nominal Pressure: PN10 to PN64 End Connection: Flanged Dimension PN25 Unit: mm DN L D D1 D2 b f n-d H1 H 300 178 485 430 395 34 4 16-30 480 780 400 216 620 550 505 40 4 16-36 550 910 500 229 730 660 615 48 4 20-36 680 1090 600 267 845 770 720 58 5 20-39 750 1210 700 292 960 875 820 50 5 24-42 820 1350 800 318 1085 990 930 54 5 24-48 910 1520
Lug Butterfly Valve
Lug Butterfly Valve Body: Cast Iron, Ductile Iron, Stainless Steel, Carbon Steel Bushing: PTFE Seat: EPDM, NBR, PTFE Stem: SS304, SS316, SS410, SS420 Disc: Cast Iron, Ductile Iron, Stainless Steel, Carbon Steel Pin: Stainless Steel O-Ring: NBR Bushing: PTFE Bolts: Stainless Steel Packing: Graphite, PTFE Gasket: Stainless Steel Nominal Diameter: DN40 to DN300 Nominal Pressure: Class150 to Class2500, PN10 to PN64 End Connection: Wafer, Lug, Flanged Dimension PN10 Unit: mm DN A B C L ФK N-M 40 70 164 32 33 110 4-M16 50 80 169 32 43 125 4-M16 65 89 176 32 46 145 4-M16 80 95 183 32 46 160 8-M16 100 114 201 32 52 180 8-M16 125 127 214 32 56 210 8-M16 150 139 229 32 56 240 8-M20 200 175 257 45 60 295 8-M20 250 203 280 45 68 350 12-M20 300 242 327 45 78 400 12-M20
Wafer Butterfly Valve
Wafer Butterfly Valve Body: CI, DI, SS304, SS316, CF8, CF8M Disc: CI, DI, SS304, SS316, CF8, CF8M Shaft: SS410, SS304, SS316 Pin: Stainless Steel Seat: EPDM Packing: Graphite O-Ring: NBR Gasket: Stainless Steel Handle: Carbon Steel Nominal Diameter: DN50 to DN400 Nominal Pressure: Class150 to Class2500, PN10 to PN64 End Connection: Wafer, Lug, Flanged Dimension Class150 Unit: mm DN фDN фD L H1 H2 H3 ФD1 n- фd 50 52.9 95 43 135 63 28 120.5 4-ф20 65 64.5 108 46 148 70 28 139.5 4-ф20 80 78.8 125 46 160 78 28 152.5 4-ф20 100 104 156 52 173 100 28 190.5 8-ф20 125 123.3 182 56 197 125 28 216 8-ф22 150 155.6 206 56 207 126 28 241.5 8-ф22 200 202.5 262 60 240 152 35 298.5 8-ф22 250 250.5 322 68 280 186 35 362 12- ф25 300 301.5 372 78 338 210 35 432 12- ф25 350 333.3 420 78 362 256 35 476 12- ф28 400 389.6 472 102 410 294 115 540 16- ф28
Pneumatic Angle Control Valve
Pneumatic Angle Control Valve Body: WCB, WC6, CF8, CF8M Bonnet: WCB, WC6, CF8, CF8M Seat: SS304, SS316, Stellite Plug Metal Sealing: SS304, SS316, Stellite Plug Soft Sealing: SS304, SS316, Stellite Cage: SS304, SS316 Guide Sleeve: SS304, SS316 Stem: SS304, SS316 Balanced Piston: Steel, Aluminium Balanced Piston Ring: Fluorine Ring, SS+Reinforced PTFE, Flexible Graphite Ring Nominal Size: DN20 to DN400 Pressure: PN 16 to PN 100, Class 150 to Class 600 End Connection: Flanged, RF, MF, RTJ Flow Characteristics Linear, Percentage, Quick Open Allowable range 50: 1 (CV<6.3 30: 1) Rated Cv value Percentage CV 1.6 to 630 ,linear CV 1.8 to 690 Allowable leakage Metal seal: IV grade(0.01% rated capacity) Soft seal: VI grade(foam grade) Performance Pneumatic Electric Allowable tolerance, % ±1.5 ±1.0 Return difference, % ≤1.5 ≤1.0 Dead zone, % ≤0.6 ≤1.0 Difference from beginning to end point, % ±2.5 ±2.5 Rated travel difference, % ≤2.5 ≤2.5 Note : specification on the basis of control valve with positioned and PTFE packing. Dimensions Nominal Diameter DN 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 L 115 115 130 130 150 170 190 215 250 275 325 375 375 425 475 H1 95 145 193 276 330 360 420 470 520 H2 205 238 344 421 483 512 562 620 672 H3 375 398 438 521 560 575 680 750 835 H4 700 _ H5 95 110 _ ΦD1 305 340 370 405 460 525 590 700 805 950 _ ΦD2 335 370 400 435 490 555 630 740 845 990 _ H 340 390 632 930 A 228 272 400 610 Weight(kg) 24 25 28 35 37 68 80 95 148 170 231 275 475 522 624
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