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TVI Valves
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Thermoplastic Butterfly Valves 2" - 8" are wafer style to fit between ANSI B16.5 Class 150 flanges. Disc is contoured for lowest possible pressure drop ( highest Cv). Shaft is 410 S.S. and of one piece, through shaft design, with square drive through entire length of blade. 2" - 6" valves shall be complete with a spring loaded 6 position latch lever.
Unit of Measure

Specifications

Brands

 N/A TVI

Actuator Type

 N/A Lever

Type

 N/A Wafer

Flow Coefficient Value (Cv)

 N/A 520

Torque

 N/A 325 lb·in

Working Pressure

 N/A 150 psi

ANSI Dimensions

Nominal Size

 N/A 4 in100 mm

Dimension D1

 N/A 3.94 in

Dimension D2

 N/A 7.16 in

Dimension D3

 N/A 8.85 in

Dimension D4

 N/A 3.89 in

Dimension n

 N/A 8 in

Dimension L1

 N/A 5.27 in

Dimension L2

 N/A 1.89 in

Dimension L3

 N/A 2.0 in

Dimension H1

 N/A 9.92 in

Dimension H2

 N/A 5.59 in

Dimension H3

 N/A 4.43 in

Dimension H4

 N/A 1.85 in

Dimension H5

 N/A 2.68 in

Dimension H6

 N/A 0.84 in

Dimension I

 N/A 12.55 in

Dimension K

 N/A 9.92 in

Material of Construction

Materials of Construction1 N/A Part - Body
Pcs - 1
Material - Polyvinyl Chloride (PVC),Polypropylene (PP), Polyvinylidene Fluoride (PVDF), and Chlorinated Polyvinyl Chloride (CPVC)

Part - Disc
Pcs - 1
Material - Polyvinyl Chloride (PVC),Polypropylene (PP), Polyvinylidene Fluoride (PVDF), and Chlorinated Polyvinyl Chloride (CPVC)

Part - Seat
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and BUNA N

Part - Stem
Pcs - 1
Material - SUS 410, SUS 316

Part - Stem O-ring
Pcs - 2
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and BUNA N

Part - Washer
Pcs - 1
Material - SUS 304

Part - Positioner
Pcs - 1
Material - SUS 304

Part - Screw
Pcs - 3
Material - SUS 304

Part - Indicator
Pcs - 1
Material - SUS 304

Part - Handle
Pcs - 1
Material - Acrylonitrile Butadiene Styrene (ABS)

Part - Lever
Pcs - 1
Material - Acrylonitrile Butadiene Styrene (ABS)

Part - Lever
Pcs - 1
Material - SUS 410

Part - Spring
Pcs - 1
Material - SUS 410

Part - Setpin (Long)
Pcs - 1
Material - SUS 410

Part - Setpin (Short)
Pcs - 1
Material - SUS 410

Part - Handle Cap
Pcs - 1
Material - Acrylonitrile Butadiene Styrene (ABS)

Part - Stem Bolt
Pcs - 1
Material - Polyvinyl Chloride (PVC),Polypropylene (PP), Polyvinylidene Fluoride (PVDF), and Chlorinated Polyvinyl Chloride (CPVC)

Part - Cap
Pcs - 1
Material - Polyvinyl Chloride (PVC) Coated Brass

Part - Handle Insert
Pcs - 1
Material - Casting Parts

Part - Bolt
Pcs - 1
Material - Brass, SUS 304

Part - Bolt
Pcs - 1
Material - SUS 304

Construction

Body

 N/A Polyvinyl Chloride (PVC), ASTM D-1784 (Standard). Polypropylene (PP) and Polyvinylidene Fluoride (PVDF) Available
Polypropylene (PP), ASTM D-4101. Polyvinylidene Fluoride (PVDF) Available
Polyvinylidene Fluoride (PVDF), ASTM D-3222

Disc

 N/A Polypropylene (PP), ASTM D-4101 (Standard) Polyvinylidene Fluoride (PVDF) Available
Polyvinylidene Fluoride (PVDF), ASTM D-3222

Shaft

 N/A ASTM A-240, TYPE 410 Stainless Steel (Standard), 304, 316 Stainless Steel available

Seal/Seat

 N/A Ethylene Propylene Diene Monomer (EPDM)
Fluorocarbon, Viton® (Dupont Dow Elastomers)
Nitrile (Butadiene) Rubber (BUNA N)

Hardware

 N/A 2" - 8" 304 Stainless Steel

Lever

 N/A Acrylonitrile Butadiene Styrene (ABS), ASTM D-1788

Gear Box

 N/A Cast Iron Housing ASTM A-53, Epoxy Coated

Features

Features

 N/A Universal Style 6 Position Latch Lever.

Testing Procedure

Testing Procedure

 N/A Every valve is tested for bubble tight shutoff prior to leaving the factory.
Pressure testing preformed on Polyvinyl Chloride (PVC)/Ethylene Propylene Diene Monomer (EPDM) valves at 73 ºF water temperature, non-shock.

Additional Information

Additional Information

 N/A 8" valves shall be either spring lever or gear actuated as required or specified. Seat liners shall be full faced with integral, ribbed flanges. No auxiliary gaskets shall be required for installation. Seat liners shall effectively isolate the body and shaft from the flow media. Seat liners shall also thermally insulate the body from the internal operating temperature. Valve liner and seals are replaceable.

Note

Note

 N/A The universal style 2-4” butterfly valve fits between ANSI B16.5, DIN, and JIS class 150 flanges, the 6" between ANSI and JIS flanges and the 8" between ANSI flanges.

Other materials available upon request. Not recommended for compressed air or gas service
  • 1 Viton® is a trademarks of DuPont Performance Elastomers.