TVI Custom Valves
Custom Valve Solutions

Wafer Check Valves


TVI Valves
(1 1/2" - 20")
  • Low Cost
  • Compact and light weight. Requires little space in piping system
  • Economic - Simple and durable construction
  • Easy Installation - Wafer body fits between standard ansi flanges
  • Body Construction - Light weight, chemical resistant, non Corrosive
  • Verticle or Horizontal operation
  • Available with 316 SS Spring Assist

Schematics


ITEM PARTS PCS MATERIALS
1 Body 1 PVC, PP, CPVC, PVDF
2 Flapper 1 PVC, PP, CPVC, PVDF
3 Flapper Mounting Screw 1 PP
4 O'Ring 1 Epdm, VITON®
5 O'Ring 1 Epdm, VITON®
6 Installation Device 1 SS 316

VITON® is a trademark of DuPont Performance Elastomers

Design Specifications


Body & Flapper - PVC, ASTM D-1784, PP, ASTM D-4101, PVDF, ASTM D-3222

Flapper Mounting Screw - PP, ASTM D-4101

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

Installation Device - 316 Stainless Steel

Connection - Wafer style to fit between ANSI B16.5 Class 150 Flanges

Options - 316 SS Spring Assist, Spacer