sight_flow_indicator
sight_flow_indicator_line_diagram

Special Installation Instruction

  • When Installed Vertically (or upto 60° angle) check valve close automatically because of centre guided ball.
  • When Installed Horizontally (90° to 60°), the valve close automatically if the back flow related to water is 1.5 – 2.5 m/sec.
  • Full Bore when valve is opened. i.e. Low Pressure Drop condition.

Standard Scope Of Supply

NO. Description MOC
1. Body With Lining Ductile Iron GGG40.3 /ASTM Gr.WCB (FEP Lined) †
2. Cover Plate Ductile Iron GGG 40.3 /ASTM A216 Gr.WCB
3. Glass Toughen Glass
4. Cushion PTFE
5. Bolts M.S (Zinc Plated)
6. Nuts M.S (Zinc Plated)

 

† Standard Scope of Supply

Salient Features

  • Drip Tube Indication
  • Inert to a wide range of Corrosive Chemicals
  • Eliminates need of using expensive, exotic alloys.

Technical Specifications

  • Flange : As per ANSI B16.5 / B16.42
  • Face to Face : DIN 3202
  • Lining Thickness : 3 to 5 mm
  • Material
  • Dimensional
  • Test & Inspection
  • Optional Design

Body Material Options

  • Ductile Iron GGG40.3 / ASTM A395
  • Cast Steel ASTM A216 Gr.WCB
  • ASTM A351 Gr. CF8 / AISI S.S.304
  • ASTM A351 Gr. CF8M / AISI S.S.316

Lining Material Options

  • PFA – ASTM D 3307
  • FEP – ASTM D 2116
  • PVDF – ASTM D 3322
  • PP – ASTM D 4101

Dimensional Data

ANSI #150 FLANGED RF
SIZE A*(mm) ØG (mm)
DN25-1” 160 45
DN40-1 1/2” 200 60
DN50-2” 230 70
DN80-3” 310 98
DN100-4” 350 125
DN150-6” 480 175
DN200-8” 600 216

Test & Inspection Data

  • Hydraulic Test : Body(Shell) – 15 Kg/Cm
  • Spark Test : 15 K.V. D.C

Optional Design & Components

  • FULL VIEW (GLASS TUBE) DESIGN

Technical Information subject to change without notice.