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TVI Valves
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Unit of Measure
Items
Wafer Lined Gear Operated Butterfly Valves

6 Inch (in) Size Wafer Lined Gear Operated Butterfly Valve
Wafer Lined Gear Operated Butterfly Valves

8 Inch (in) Size Wafer Lined Gear Operated Butterfly Valve
Wafer Lined Gear Operated Butterfly Valves

10 Inch (in) Size Wafer Lined Gear Operated Butterfly Valve
Wafer Lined Gear Operated Butterfly Valves

12 Inch (in) Size Wafer Lined Gear Operated Butterfly Valve
Wafer Lined Gear Operated Butterfly Valves

14 Inch (in) Size Wafer Lined Gear Operated Butterfly Valve
Brands N/A UNPPolyvalves
Size N/A 6 in N/A 8 in N/A 10 in N/A 12 in N/A 14 in
Dimension L N/A 2.36 in60 mm N/A 2.52 in64 mm N/A 2.83 in72 mm N/A 3.3 in84 mm N/A 3.3 in84 mm
Dimension L Tolerance (±) N/A 0.12 in
Dimension L1 N/A 2.2 in56 mm N/A 2.36 in60 mm N/A 2.68 in68 mm N/A 3.07 in78 mm N/A 3.07 in78 mm
Dimension L1 Tolerance (±) N/A 0.04 in
Dimension D1 N/A 5.9 in150 mm N/A 7.87 in200 mm N/A 9.84 in250 mm N/A 11.81 in300 mm N/A 13.78 in350 mm
Dimension D1 Tolerance (±) N/A 0.08 in
Dimension D2 N/A 9.49 in241 mm N/A 11.75 in298 mm N/A 14.25 in362 mm N/A 17 in432 mm N/A 18.7 in476 mm
Dimension D2 Tolerance (±) N/A 0.08 in
Dimension H1 N/A 6.37 in162 mm N/A 7.2 in183 mm N/A 9.21 in234 mm N/A 10.66 in271 mm N/A 12.2 in310 mm
Dimension H1 Tolerance (±) N/A 0.31 in
Dimension H2 N/A 7.63 in194 mm N/A 9.25 in235 mm N/A 9.88 in251 mm N/A 11.57 in294 mm N/A 12.79 in325 mm
Dimension H2 Tolerance (±) N/A 0.31 in
Dimension L2 N/A 9.52 in242 mm N/A 9.52 in242 mm N/A 11.49 in292 mm N/A 11.49 in292 mm N/A 11.49 in292 mm
Dimension L2 Tolerance (±) N/A 0.31 in
Diameter (Ø) DD N/A 0.79 mm20 in N/A 0.98 mm25 in N/A 1.1 mm28 in N/A 1.1 mm28 in N/A 1.1 mm28 in
Diameter W N/A 0.55 in14 mm N/A 0.79 in19 mm N/A 0.86 in22 mm N/A 0.86 in22 mm N/A 0.86 in22 mm
Industry Standard N/A American Society for Testing and Materials (ASTM)
Actuator Type N/A Gear Operator Lever
Type N/A Wafer
Applications N/A Chemicals & Vapours Most Corrosive & Aggressive
Standards Followed N/A Design : API 609 Wafer & Lug Face To Face
Dimensions : API 609 Category : A
Connection Rating : ANSI B 16.5
Test : API 598
Body N/A ASTM A 216 GR. WCB
Disc Lining Materials N/A Perfluoro-Alkoxy (PFA)
Seat/Liners N/A Isostatically Moulded Polytetrafluoroethylene (PTFE)
Valve Painting N/A Epoxy 2 Part Paint
Perfluoro-Alkoxy (PFA) Temperature N/A -40 to 450 ºF
Disc Sealing N/A Class VI, Tight Shut Off as Per API 598
Shaft Seals N/A Loaded Packing with Gland Covers on Top & Bottom
Maximum Pressure N/A 225 psi
Flow Direction N/A Bi-Directional
Spark Test for Lined Components N/A 20 KVDC
Standards Followed Options Available N/A Test : ISO 9393-2 OR BS EN 12266-1-2003
Body Options Available N/A ASTM A 351 GR. CF8 OR 8M
Disc Lining Materials Options Available N/A Fluorinated Ethylene Propylene (FEP) Polyvinylidene Fluoride (PVDF) Ethylene Tetrafluoroethylene (ETFE) Ethylene ChloroTriFluoroEthylene (ECTFE) Polypropylene Homopolymer (PPH)
Seat/Liners Options Available N/A Isostatically Moulded TFM / or MPTFE
Valve Painting Options Available N/A Polyurethane (PU) Paint
Perfluoro-Alkoxy (PFA) Temperature Options Available N/A Lining in FEP, ETFE & PVDF is Available with Different Temperature Range
Material List N/A Part Number : 1
Description : Body
Material of Construction : ASTM A 216 GR. WCB
Quantity : 2

Part Number : 2
Description : Seat
Material of Construction : PTFE / MPTFE / TFM
Quantity : 1

Part Number : 3
Description : Disc
Material of Construction : ASTM A 890 GR. 4A + PFA
Quantity : 1

Part Number : 4
Description : Stem
Material of Construction : ASTM A 890 GR. 4A Integral
Quantity : 1

Part Number : 5
Description : Gland Seals
Material of Construction : Fluorocarbon (FKM)
Quantity : 4

Part Number : 6
Description : Washer
Material of Construction : PTFE
Quantity : 2

Part Number : 7
Description : Bush
Material of Construction : PFA
Quantity : 2

Part Number : 8
Description : T-Bush
Material of Construction : SS 304
Quantity : 2

Part Number : 9
Description : Disc Springs
Material of Construction : 50 Crv 4
Quantity : 10

Part Number : 10
Description : Retainer
Material of Construction : SS 304
Quantity : 2

Part Number : 11
Description : Seat Pads
Material of Construction : Fluorocarbon (FKM) / SILICON
Quantity : 2

Part Number : 12
Description : Body Bolts
Material of Construction : ASTM 193 GR.B7
Quantity : 4

Part Number : 13
Description : Spring Washer
Material of Construction : STEEL
Quantity : 2

Part Number : 14
Description : Gland Bolts
Material of Construction : HT 12.9
Quantity : 2

Part Number : 15
Description : Gearbox Mounting Stud
Material of Construction : SS 304
Quantity : 4

Part Number : 16
Description : Gear Box
Material of Construction : Cast Iron Epoxy Painted
Quantity : 1

Part Number : 17
Description : Thrust Collar
Material of Construction : SS 304
Quantity : 2

Part Number : 18
Description : Bottom Cover Bolts
Material of Construction : HT 12.9
Quantity : 2
Note N/A All Dimension are in Inches & mm.
PCD of the Valve can be provided in ANSI / DIN / JIS