TVI Valves
Custom Valve Solutions
Thermoplastic Diaphragm Valves 1/2" -10" shall be molded of solid thermo-plastic materials for body and bonnet. Body is of the weir configuration exhibiting large flow area and good flow control capability. Body is designed to fit between ANSI B16.5 class 150 flanges. Stem and sleeve shall be brass or cast iron, fully lubricated.
Unit of Measure

Specifications

Brands

N/A TVI

Working Pressure

N/A 150 psi

ANSI Dimensions

Size

N/A 5 in

Dimension D1

N/A 4.92 in

Dimension D2

N/A 8.50 in

Dimension D3

N/A 10.00 in

Dimension e

N/A 0.87 in

Number of Holes (n)

N/A 8 in

Dimension D4

N/A 12.60 in

Dimension D5

N/A 10.79 in

Lift

N/A 2.83 in

Dimension L

N/A 16.14 in

Dimension T

N/A 1.10 in

Dimension H

N/A 12.13 in

Dimension I

N/A 16.22 in

Rubber Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Unplasticized Polyvinyl Chloride (UPVC))

N/A 105 psi

Rubber Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Polypropylene (PP))

N/A 105 psi

Rubber Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Glass Reinforced Polypropylene (PPG))

N/A 105 psi

Rubber Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Chlorinated Polyvinyl Chloride (CPVC))

N/A 105 psi

Rubber Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Polyvinylidene Fluoride (PVDF))

N/A 105 psi

Polytetrafluoroethylene (PTFE) Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Unplasticized Polyvinyl Chloride (UPVC))

N/A 60 psi

Polytetrafluoroethylene (PTFE) Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Polypropylene (PP))

N/A 60 psi

Polytetrafluoroethylene (PTFE) Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Glass Reinforced Polypropylene (PPG))

N/A 60 psi

Polytetrafluoroethylene (PTFE) Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Chlorinated Polyvinyl Chloride (CPVC))

N/A 60 psi

Polytetrafluoroethylene (PTFE) Diaphragm Pressure at 73 Degree Fahrenheit (ºF) (Polyvinylidene Fluoride (PVDF))

N/A 60 psi

Material of Construction

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

Part - Bonnet
Pcs - 1
Material - Polyvinyl chloride (PVC), Polypropylene (PP), Polyvinylidene Fluoride (PVDF), Chlorinated Polyvinyl Chloride (CPVC), and Polyphenylene Oxide (PPO)

Part - Compressor
Pcs - 1
Material - 1/2 " - 1" Polypropylene Glycols (PPG) + Nylon and 1-1/2" - 10" Cast Iron

Part - Handwheel
Pcs - 1
Material - Polypropylene (PP)

Part - Sleeve
Pcs - 1
Material - 1/2" - 2" Brass and 2-1/2" - 10" Cast Iron

Part - Stem
Pcs - 1
Material - 1/2" - 2" Brass and 2-1/2" - 10" Stainless Steel 41

Part - Diaphragm
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM), Hypalon® and Polytetrafluoroethylene (PTFE)

Part - Cap
Pcs - 1
Material - 1/2" - 2" Brass and 2-1/2" - 10" Polyvinyl chloride (PVC), and Polypropylene (PP)

Part - Compressor Pin
Pcs - 1
Material - SUS-304 Stainless Steel

Part - Name Plate
Pcs - 1
Material - Polyvinyl Chloride (PVC)

Part - Grease Nipple
Pcs - 1
Material - Brass

Part - Stud Bolt & Nut
Pcs - 1/2" - 1" (4 Sets), 1-1/2" - 2" (6 Sets), 2-1/2" - 5" (8 Sets), 6" (12 Sets), 8" (16 Sets), and 10" (20 Sets)
Material - Stainless Steel 41, SUS 304 Stainless Steel

Part - Inserted Nut
Pcs - 1/2" - 1" (4 Sets), 1-1/2" - 2" (6 Sets), 2-1/2" - 5" (8 Sets), 6" (12 Sets), 8" (16 Sets), and 10" (20 Sets)
Material - Brass

Part - Bolt Nut & Washer
Pcs - 1/2" - 1" (4 Sets), 1-1/2" - 2" (6 Sets), 2-1/2" - 5" (8 Sets), 6" (12 Sets), 8" (16 Sets), and 10" (20 Sets)
Material - Stainless Steel 41, SUS 304 Stainless Steel

Part - Thrust Bearing
Pcs - 1
Material - Standardized 3" - 10" Used Only

Part - Stopper
Pcs - 1
Material - Stainless Steel 41, Brass, and SUS 304 Stainless Steel

Part - Set Nut
Pcs - 1
Material - Stainless Steel 41, Brass, and SUS 304 Stainless Steel

Part - Gauge Cover
Pcs - 1
Material - Polycarbonates

Part - Sheet Gasket
Pcs - 1
Material - Ethylene Propylene Diene Monomer (EPDM)

Part - Sheet Ring
Pcs - 1
Material - Stainless Steel 41, Brass, and SUS 304 Stainless Steel

Part - Spring Washer
Pcs - 1
Material - Stainless Steel 41, SUS 304 Stainless Steel

Construction

Body

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

Bonnet

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

Stem/Sleeve

N/A Brass 1/2" - 2"
Cast Iron 2 1/2"-10"

Diaphragm

N/A Ethylene Propylene Diene Monomer (EPDM)
Fluorocarbon, Viton® (Dupont Dow Elastomers) only available for vacuum service
Polytetrafluoroethylene (PTFE)/Neoprene (Dupont Dow Elastomers)

Diaphragm Insert Stud

N/A Stainless Steel, Large Diameter

Positive Indicator Cover

N/A Polycarbonate (PC), ASTM - D-2848

Handwheel

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

Testing Procedure

Testing Procedure

N/A Testing preformed on Polyvinyl Chloride (PVC)/Ethylene Propylene Diene Monomer (EPDM) Diaphragm at 73 ºF water temperature, non-shock.

Additional Information

Additional Information

N/A Sizes 3" and larger employ a bonnet grease fitting for ease of lubrication. All valves shall have an adjustable over travel stop in the close position to prevent over travel and premature diaphragm failure. Full stroke position indication is enclosed in a clear protective cover. All external fasteners shall be either encapsulated in plastic or of stainless steel materials.

Note

Note

N/A For any diaphragm application with use of sodium hypochlorite, factory must be informed prior to quote.
  • 1 Hypalon®, Viton®, and Polytetrafluoroethylene (PTFE) are trademarks of DuPont Performance Elastomers.