TVI Custom Valves
Custom Valve Solutions

6” Full Port Strong Union Ball Valve

TVI Valves
Flange Type
  • Full 5-5/8" diameter port
  • Valve can be installed in both upstream and downstream directions for simple easy, safe system maintenance.
  • Stem has internal land above ball that is pressure seated to the body protecting the stem and stem seal from contaminants.
  • Long life self lubricated TFE seats that are easily replaceable.
  • Immeasurable pressure drop.
  • Handle indicates valve open/close position.
  • Safety design blowout proof stem.
  • Standard ANSI B16.5 class 150 flange connection.
  • All valves are hydrostatically tested before being shipped.


1 Body 1 PVC,PP,PVDF
2 Ball 1 PVC,PP,PVDF
3 Seat 2 TEFLON®
4 Shaft 1 PVC,PP,PVDF
5 O-Ring 2 EPDM, VITON®
7 Bolt 10 sets SUS 304
8 Nut 10 sets SUS 304
9 O-ring 4 EPDM, VITON®

VITON® and TEFLON® are trademarks of DuPont Performance Elastomers

Design Specifications

Strong Union Ball Valve (5-5/8" dia. port)
6" Flanged only

Design Specifications - Thermoplastic Strong Union Ball Valve 6" flange type is a two piece body design. Full round ball with 5-5/8" I.D. port. Valve stem is of the blow-out proof design. Stem has an internal pressure sealed land to protect stem and stem seal from contaminants. Body parts are connected by 304 S.S. bolting sets. Seats are TFE and easily replaceable.

Body - Ball - Stem - PVC,ASTM D-1784, PP,ASTM D 4101, PVDF, ASTM D-3222

Seat - Teflon® ( DuPont Performance Elastomers)

Seals - EPDM, Ethylene Propylene Diene Monomer, Fluorocarbon. Viton® (DuPont Performance Elastomers)

Hardware - 304 S.S.

Lever - Cast iron, epoxy coated

Not recommended for compressed air or gas service.