TVI Valves
Unit of Measure

Specifications

Brands

N/A UNPPolyvalves

Type

N/A Lug

Actuator Type

N/A Gear Operator

Dimensions

Size

N/A 12 in

Dimension L

N/A 3.3 in84 mm

Dimension L Tolerance (±)

N/A 0.12 in

Dimension L1

N/A 3.07 in78 mm

Dimension L1 Tolerance (±)

N/A 0.04 in

Dimension D1

N/A 11.81 in300 mm

Dimension D1 Tolerance (±)

N/A 0.08 in

Dimension D2

N/A 17 in432 mm

Dimension D2 Tolerance (±)

N/A 0.08 in

Dimension H1

N/A 10.43 in265 mm

Dimension H1 Tolerance (±)

N/A 0.31 in

Dimension H2

N/A 11.33 in288 mm

Dimension H2 Tolerance (±)

N/A 0.31 in

Dimension L2

N/A 11.49 in292 mm

Dimension L2 Tolerance (±)

N/A 0.31 in

Diameter (Ø) DD

N/A 1.1 mm28 in

Diameter W

N/A 0.86 in22 mm

Feature Offered

Applications

N/A Chemicals & Vapors 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

Options Available

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

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 : 2

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 Parted
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

Note

N/A All Dimension are in Inches & mm.
PCD of the Valve can be provided in ANSI / DIN / JIS