Flap, Spinner & Spout Visual Sight Indicator

Flap, Spinner & Spout Visual Sight Indicator

This new double window Flow Indicator is most useful where visual inspection of the pipeline content is needed as a plant safety or product quality measure. The sizeable windows allow an excellent view of the conditions in the line.

  • Description
  • Application Areas
  • Specifications
  • Brochure

Product Description

This new double window Flow Indicator range from Flow-Mon is most useful where visual inspection of the pipeline content is needed as a plant safety or product quality measure. The sizeable windows allow an excellent view of the conditions in the line.

The plain Spout design affords visual inspection only while the hinged internal Flap with its graduated scale allows a check on flow rate changes and for instance, affords repeatability of valve positioning. The Flap or Spout can be used in transparent or slightly opaque solutions and gas services. Both units will operate in horizontal or vertical orientation (up only for Flap style).
The Spinner Double Window Sight Glass is suitable for monitoring in a vertical or horizontal position. This style like the Flap and Spout is available with threaded (BSP or NPT) as well as Flanged connections. The 8 bladed PTFE spinner and Stainless Steel internals give excellent corrosion resistance.

With the flap and easy to read sacale the Flapper sight flow indicator is used to check the flow rate of a liquid in a pipeline. It can be used in vertical or horizantal lines and ideal as a plant safety device where you need to maintain a constant flow, for example in lubricating or cooling systems.Flapper sight flow indicator is used to check the flow rate of a liquid in a pipeline.

Materials of Construction
Body & Covers - Stainless Steel 316: ASTM-A-351-2000 GR CF8M - Carbon Steel: ASTM-A-216-2000-GR-WCB - Bronze BS EN1982 CuSn5Zn5PB5-C-GS (formerly LG2)
Glass - Toughened Borosilicate (DIN 7080) (16 bar) or Toughened Soda lime (BIS 3463) (40 bar)
Gaskets - PTFE
Flap - Stainless Steel 316
Spinner - PTFE, PVC
Scale - Polycarbonate
Fasteners - Stainless A2
Temperature - up to 250˚C
Every effort will be made to meet any special connection and material requirements

Pressure Rating 40Bar
(subject to Glass & Flange specification)
Sizes BSP, NPT and Flanged connection: PN16, 40, Ansi150, 300 (other configurations also available)
Small 1/4”(8) 3/8”(10) 1/2”(15) 3/4”(20) 1”(25)
Medium 11/4”(32) 11/2”(40) 2”(50)
Large 3”(80) 4”(100) All units are tested to 1.5 times the standard pressure limit applicable to the unit specification. .

Spout flap, spinner Brochure