Your Digital Maritime Supply Platform

IMPA 75 75. Valves & Cocks

Flow Indicators

Browse the product families and items within the "Flow Indicators" sub-group of the IMPA marine catalogue, and order them from verified suppliers via Geomarine.

4
Families
37
Items

Items in this sub-group

37 items
SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 8A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 8A

IMPA 752501 PCE

Cast iron flow indicator, flapper type with screwed connection 8A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 10A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 10A

IMPA 752502 PCE

Cast iron flow indicator, flapper type with screwed connection 10A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 15A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 15A

IMPA 752503 PCE

Cast iron flow indicator, flapper type with screwed connection 15A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 20A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 20A

IMPA 752504 PCE

Cast iron flow indicator, flapper type with screwed connection 20A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 25A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 25A

IMPA 752505 PCE

Cast iron flow indicator, flapper type with screwed connection 25A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 32A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 32A

IMPA 752506 PCE

Cast iron flow indicator, flapper type with screwed connection 32A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 40A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 40A

IMPA 752507 PCE

Cast iron flow indicator, flapper type with screwed connection 40A; swing flap lifts when fluid flows through the line for visual inspection; not suitable for reverse flow conditions.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 50A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE SCREWED 50A

IMPA 752508 PCE

Cast iron flapper-type sight flow indicator, screwed 50A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 15A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 15A

IMPA 752511 PCE

Cast iron flapper-type sight flow indicator, flanged 15A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 20A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 20A

IMPA 752512 PCE

Cast iron flapper-type sight flow indicator, flanged 20A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 25A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 25A

IMPA 752513 PCE

Cast iron flapper-type sight flow indicator, flanged 25A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 32A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 32A

IMPA 752514 PCE

Cast iron flapper-type sight flow indicator, flanged 32A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 40A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 40A

IMPA 752515 PCE

Cast iron flapper-type sight flow indicator, flanged 40A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 50A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 50A

IMPA 752516 PCE

Cast iron flapper-type sight flow indicator, flanged 50A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 65A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 65A

IMPA 752517 PCE

Cast iron flapper-type sight flow indicator, flanged 65A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 80A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 80A

IMPA 752518 PCE

Cast iron flapper-type sight flow indicator, flanged 80A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 100A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 100A

IMPA 752519 PCE

Cast iron flapper-type sight flow indicator, flanged 100A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 125A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 125A

IMPA 752520 PCE

Cast iron flapper-type sight flow indicator, flanged 125A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 150A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 150A

IMPA 752521 PCE

Cast iron flapper-type sight flow indicator, flanged 150A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 200A

SIGHT FLOW INDICATOR CAST IRON, FLAPPER TYPE FLANGED 200A

IMPA 752522 PCE

Cast iron flapper-type sight flow indicator, flanged 200A connection. Gravity-loaded swing flap rises when fluid passes through, enabling visual inspection of flow in non-return pipe applications. Stainless steel variant available on request.

METER OIL FLOW WITH FURTHER, DETAIL

METER OIL FLOW WITH FURTHER, DETAIL

IMPA 752531 PCE

Positive displacement flowmeters for measuring fuel oil, diesel oil, kerosene and light/heavy oil applications. Gear-type rotor for low-viscosity flows (±0.5% accuracy); Roots-type rotor for transaction applications with minimal pressure loss and stable long-term accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN25

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN25

IMPA 752535 PCE

Positive displacement paddle-type flow meter, 1" BSP male thread, DN25, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN32

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN32

IMPA 752536 PCE

Positive displacement paddle-type flow meter, 1" BSP male thread, DN32, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN40

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN40

IMPA 752537 PCE

Positive displacement paddle-type flow meter, 1" BSP male thread, DN40, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN50

SWITCH LIQUID FLOW PADDLE TYPE, THREAD 1"BSP MALE VH500NI DN50

IMPA 752538 PCE

Positive displacement paddle-type flow meter, 1" BSP male thread, DN50, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN25

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN25

IMPA 752541 PCE

Positive displacement paddle-type flow meter, M33×2 male thread, DN25, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN32

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN32

IMPA 752542 PCE

Positive displacement paddle-type flow meter, M33×2 male thread, DN32, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN40

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN40

IMPA 752543 PCE

Positive displacement paddle-type flow meter, M33×2 male thread, DN40, for measurement of boiler fuel oil, diesel oil, kerosene and light oil with ±0.5 % accuracy.

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN50

SWITCH LIQUID FLOW PADDLE TYPE, THREAD M33X2 MALE VH500NM DN50

IMPA 752544 PCE

Paddle-type liquid flow switch with M33×2 male thread, DN50. Positive displacement flowmeter for measuring and monitoring fuel oil, diesel, kerosene and heavy oils with ±0.5% accuracy. Available in gear-type or Roots-type configurations; Roots design operates without contact between rotors, minimising pressure loss.

SWITCH FLOW PISTIN TYPE VM115, DN15 SCREWED G1/2

SWITCH FLOW PISTIN TYPE VM115, DN15 SCREWED G1/2

IMPA 752551 PCE

Piston-type flow switch model VM115, DN 15, G1/2 screwed connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM120, DN20 SCREWED G3/4

SWITCH FLOW PISTIN TYPE VM120, DN20 SCREWED G3/4

IMPA 752552 PCE

Piston-type flow switch model VM120, DN 20, G3/4 screwed connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM125, DN25 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM125, DN25 FLANGED DIN 2527

IMPA 752553 PCE

Piston-type flow switch model VM125, DN 25, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM132, DN32 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM132, DN32 FLANGED DIN 2527

IMPA 752554 PCE

Piston-type flow switch model VM132, DN 32, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM140, DN40 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM140, DN40 FLANGED DIN 2527

IMPA 752555 PCE

Piston-type flow switch model VM140, DN 40, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM150, DN50 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM150, DN50 FLANGED DIN 2527

IMPA 752556 PCE

Piston-type flow switch model VM150, DN 50, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM165, DN65 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM165, DN65 FLANGED DIN 2527

IMPA 752557 PCE

Piston-type flow switch model VM165, DN 65, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

SWITCH FLOW PISTIN TYPE VM180, DN80 FLANGED DIN 2527

SWITCH FLOW PISTIN TYPE VM180, DN80 FLANGED DIN 2527

IMPA 752558 PCE

Piston-type flow switch model VM180, DN 80, DIN 2527 flanged connection; mount vertically in horizontal pipelines with flow direction arrow aligned to flow. German Lloyd approved (Certificate 54 627–71 HH).

Back to 75. Valves & Cocks →

Order Flow Indicators for your vessel

Join our global network as a supplier or start ordering maritime services today

No account needed — tell us the port and we’ll source it for your vessel.

Captain Geo

Captain Geo

AI assistant — answers may contain mistakes

Captain Geo
Hi, I'm Captain Geo ⚓ — your Geomarine intelligence guide. Ask me about plans, registration, or how it works.
Captain Geo