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TVI Valves
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Thermoplastic Ball Valves 4" are designed to safely block full system pressure in either direction to allow on-line system maintenance. Valve stem is of the blow-out proof design. Valve has full port for lowest possible pressure loss. Seats shall be easily adjustable and replaceable. Stem has an internal pressure sealed land to protect stem and stem seal from contaminants. Every valve is fully pressure and cycle tested before leaving the factory.
Unit of Measure

Specifications

Brands

 N/A TVI

Flow Coefficient Value (Cv)

 N/A 730

Torque

 N/A 290 lb·in100 psi

ANSI Dimensions

Size

 N/A 4 in

Dimension D1

 N/A 4.02 in

Dimension D2

 N/A 7.5 in

Dimension D3

 N/A 7.000 in

Socket Dimension d

 N/A 4.518 in

Thread Dimension d

 N/A 4 in

Thread Type (Dimension d)

 N/A National Pipe Thread

Dimension P

 N/A 2.250 in

Dimension e

 N/A 0.750 in

Dimension n

 N/A 8 in

Socket Dimension

 N/A 12.80 in

Thread Dimension L

 N/A 12.80 in

Flange Dimension

 N/A 15.18 in

Dimension A

 N/A 10.79 in

Dimension T

 N/A 0.866 in

Dimension H

 N/A 6.69 in

Dimension B

 N/A 8.90 in

Dimension E

 N/A 1.93 in

Working Pressure

 N/A 235 psi

Material of Construction

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

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

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

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

Part - Union Nut
Pcs - 2
Material - Polyvinyl Chloride (PVC), Polypropylene (PP), Chlorinated Polyvinyl Chloride (CPVC), and Polyvinylidene Fluoride (PVDF)

Part - Handle
Pcs - 1
Material - ABS

Part - End Connector
Pcs - 2
Material - Polyvinyl Chloride (PVC), Polypropylene (PP), Chlorinated Polyvinyl Chloride (CPVC), and Polyvinylidene Fluoride (PVDF)

Part - Seat
Pcs - 2
Material - Polytetrafluoroethylene (PTFE)

Part - Stem O-Ring
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Viton®

Part - Seat Carrier O-Ring
Pcs - T
Material - Ethylene Propylene Diene Monomer (EPDM), Viton®

Part - Body O-Ring
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Viton®

Part - Solid End O-Ring
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Viton®

Part - Mounting Pad Inserts
Pcs - 4
Material - Brass

Construction

Body/Ball/Stem/End Nuts and Connectors

 N/A Polyvinyl Chloride (PVC), Chlorinated Polyvinyl Chloride (CPVC), ASTM D-1784
Polypropylene (PP), ASTM D-4101
Polyvinylidene Fluoride (PVDF), ASTM D-3222

Seat

 N/A Polytetrafluoroethylene (PTFE) (Dupont Dow Elastomers)

Seals

 N/A Ethylene Propylene Diene Monomer (EPDM)
Fluorocarbon. Viton® (DuPont Dow Elastomers)
Fluorel (3M Corp.)

Manual Lever

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

Socket

 N/A ASTM - D-2467 (Polyvinyl Chloride (PVC), SCH-80)
ASTM, F-439 (Chlorinated Polyvinyl Chloride (CPVC), SCH-80)

Threaded

 N/A ASTM - D-2464 (Polyvinyl Chloride (PVC), SCH-80)
ASTM, F-437 (Chlorinated Polyvinyl Chloride (CPVC), SCH-80)

Flanged

 N/A ANSI - B16.5 Class 150

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.

Note

Note

 N/A Both socket and threaded end connectors shall be supplied on all 1/2" - 2" Polyvinyl Chloride (PVC) and Chlorinated Polyvinyl Chloride (CPVC) valves. On 2 1/2" - 4" socket end connectors will be supplied unless otherwise specified.

Valves shall be backed by a full two (2) year guarantee.

Not recommended for compressed air or gas service.

6" Ventured valve available (4" valve with 4 x 6" adapters ~ socket or flanged end connection).
  • 1 Viton® and Polytetrafluoroethylene (PTFE) are trademarks of DuPont Performance Elastomers.