TVI Valves
Custom Valve Solutions
Thermoplastic Butterfly Valves 28" thru 40" are wafer style to fit between Ansi B16.5 Class 150 flanges. Disc is smooth and contoured for the lowest possible pressure drop (highest Cv). Shaft is 410 SS and of one piece, through shaft design, with square drive through entire length of blade. Valves shall have epoxy coated gear actuators with handwheel.
Unit of Measure

Specifications

Brands

N/A TVI

Type

N/A Wafer

ANSI Dimensions

Nominal Size

N/A 1100 mm44 in

Dimension D1

N/A 42.12 in

Dimension D2

N/A 51.75 in

Dimension D3

N/A 55.25 in

Dimension n

N/A 40 in

Dimension e

N/A 1.62 in

Dimension H1

N/A 28.03 in

Dimension H2

N/A 32.48 in

Dimension H3

N/A 8.27 in

Dimension K

N/A 18.54 in

Dimension D4

N/A 20 in

Dimension L

N/A 11.57 in

Dimension L1

N/A 11.85 in

Test Pressure

N/A 90 psi

Working Pressure

N/A 60 psi

Material of Construction

Materials of Construction

N/A Part - Body
Pcs - 1
Material - Polypropylene (PP)

Part - Seat
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and Nitrile Rubber (NBR)

Part - Disc
Pcs - 1
Material - Unplasticized Polyvinyl Chloride (UPCV), Polypropylene (PP), Chlorinated Polyvinyl Chloride (CPVC), Polypropylene Glycols (PPG), and Polyvinylidene Fluoride (PVDF)

Part - Disc O-Ring (A)
Pcs - 2
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and Nitrile Rubber (NBR)

Part - Disc O-Ring (B)
Pcs - 2
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and Nitrile Rubber (NBR)

Part - Stem
Pcs - 1
Material - SUS 410 Stainless Steel

Part - Stem O-Ring
Pcs - 2
Material - Ethylene Propylene Diene Monomer (EPDM), Viton® and Nitrile Rubber (NBR)

Part - Gear Box
Pcs - 1
Material - Cast Iron

Part - Gear Box Cap
Pcs - 1
Material - Cast Iron

Part - Side Cap
Pcs - 1
Material - Cast Iron

Part - Indicator Plate
Pcs - 1
Material - Cast Iron

Part - Gear
Pcs - 1
Material - Ductile Iron

Part - Oil Seal
Pcs - 1
Material - Paper

Part - Bearing
Pcs - 1
Material - Steel

Part - Adjustable Bolt
Pcs - 2
Material - Steel

Part - Worm Shaft
Pcs - 1
Material - Steel

Part - Set Pin
Pcs - 1
Material - K7

Part - Hand Wheel
Pcs - 1
Material - Cast Iron

Part - Tightening Bolt
Pcs - 4
Material - SUS304 Stainless Steel

Part - Bearing
Pcs - 4
Material - Copper

Part - Spur Gear Body
Pcs - 1
Material - Cast Iron

Part - Spur Gear Body
Pcs - 1
Material - Steel

Part - Spur Gear Shaft
Pcs - 1
Material - Steel

Part - Spur Gear Cover
Pcs - 1
Material - Cast Iron

Part - Bolt
Pcs - 6
Material - Steel

Construction

Body

N/A Glass Reinforced Polypropylene (PPG)

Disc

N/A Polypropylene (PP), Glass Reinforced Polypropylene (PPG) ASTM D - 4101 (PPG - Standard Disc)
Polyvinyl Chloride (PVC), ASTM D-1784
Chlorinated Polyvinyl Chloride (CPVC), ASTM D-1784 (CPVC disc Standard in CPVC Valves)
Polyvinylidene Fluoride (PVDF), ASTM D-3222

Shaft

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

Seal/Seat

N/A Ethylene Propylene Diene Monomer (EPDM)
Nitrile (Butadiene) Rubber (BUNA N)
Fluorocarbon, Viton® (Dupont Dow Elastomers) Available in the near future
Hypalon - Available in the near future

Gear Box

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

Testing Procedure

Testing Procedure

N/A Every valve is tested for bubble tight shutoff. Testing performed on Polyvinyl Chloride (PVC)/Polypropylene (PP)/Ethylene Propylene Diene Monomer (EPDM) valves at 73 ºF water temperature, non-shock.

Additional Information

Additional Information

N/A Seat liner shall be full faced with integral, ribbed flanges. No auxiliary gaskets shall be required for installation. Seat liners shall effectively isolate the body & 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 Other materials available upon request.
Not recommended for compressed air or gas service.