Products

Flange and valve covers as safety guards

Flange couplings in industrial plants are potential sources of danger against the safety of workers, especially in case of aggressive fluids and/or high temperatures, like acids, solvents, diathermic oils, steam.

The accidental breakage of the gasket in a flange coupling can generate an unexpected leakage at high kinetic energy, sprayed up to few tens of meters, causing workers injuries and equipment damages.

ARTEMA® designs and manufactures safety shields from over 20 years to reduce harmful consequences of similar events: flange and valve safety shields, cup flaps, pressure gauge and level indicator covers.

Safety shields reduce spray effects, dissipating the pressure of the leakage and let the fluid dripping out of the safety shield, being a safety fence between the leakage and the external environmental.

Flanges and valves safety shields are manufactured in different materials, depending on the substance, temperature and pressure of the fluid they will be manufactured for:

  • Stainless steel AISI 316 (suitable for ATEX areas)
  • 100% PTFE
  • Graphite filled PTFE (suitable for ATEX areas)
  • PTFE coated fiberglass
  • PVC
PTFE material for flange and valve safety shield
PVC material for flange and valve safety shield
Stainless steel AISI 316 for flange and valve safety shield

ARTEMA®'s flange safety shields are available for all types of flanges (weld neck, blind, threaded, flat flanges, etc.) and for all sizes of flanges (UNI EN, ASME, JIS rules, etc.). Furthermore, ARTEMA® can manufacture drawing flange safety shields (ex. spectacle/spectacle blind flanges, flanges with drip rings, orifice/orifice plate flanges).

ARTEMA®'s valve safety shields are available for all types of valves, for example gate valves, butterfly valves, ball valves, diaphragm valves, etc.

For a better product functionality and a higher safety level in the plant, many accessories are available for ARTEMA®'s flange and valve safety shields:

  • leakage indicator with a replaceable litmus test, that varies the color in case of leakage
  • leakage conveyor pipe (DRAIN)
  • antitampering kit
  • rigid pipe in stainless steel AISI 316 with borosilicate glass bottle to collect the leakage
  • flexible pipe in stainless steel AISI 316 to convey the leakage from the safety shield to the place of collection
Leakage conveyor pipe DRAIN for fabric flange and valve safety shields
Leakage indicator for fabric flange and valve safety shields
Leakage conveyor pipe DRAIN for stainless steel AISI 316 flange and valve safety shields

Flange and valve safety shields are available also with transparent central band (GARD model) for a visual inspection of the flange.

ARTEMA®'s flange and valve safety shields are very easy to install and don't need any kind of tool during installation, and also don't need any maintenance operation.

From many years ARTEMA® supplies flange and valve safety shields to important industrial companies that operates both in national and international plants, collaborating with technical and security managers in the following sectors:

  • chemical
  • pharmaceutical
  • food
  • oil & gas
  • petrochemical
  • iron & steel
  • shipping
  • power plants

Main ARTEMA®'s flange and valve spray splash guards are certified by the most important worldwide entities:

RINA (Registro italiano navale ed aeronautico)

BUREAU VERITAS

DNV (Det Norske Veritas)

ABS (American Bureau Shipping)

and are in accordance with the following rules:

ATEX European Directive 2014/34/UE

API Fire Test

 

SOLAS Ch.II-2 e IMO MSC/Circ. 647

Flange cover, flange guard, flange protection, flange safety shield, flange splash guard, flange splash shield, flange spray guard, flange spray protection, flange spray shield. 100% PTFE, glass fiber, stainless steel, ATEX area material

 

For more information about flange and valve safety shields contact us:

info@copriflangedisicurezza.it or +39 041 54.60.744 / 041 54.60.755

Chemical and thermal resistances Flange safety covers and Valve safety covers

Fluid Max fluid temperature
+25°C +60°C +180°C +230°C >550°C
Acetic acid (5%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Acetic acid (50%) PVC

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Acetic acid (80%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Acetone

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Acetylene

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Ammonia

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Calcium carbonate
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Calcium hydroxide
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Calcium sulphate
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Chromatic acid (100%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Chromatic acid (50%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Formaldehyde (50%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Formic acid PVC

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Glucose
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Hydrochloric acid (20-35%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Hydrochloric acid (50%) PVC

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Hydrofluoric acid (100%)


PTFE
VT
TFE-B-AS

Hydrofluoric acid (30-50%) PVC

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Naphtha
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Nitric acid (30-50%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Oleum

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Petrol
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Phenol (100%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Phenol (5%) PVC

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Phosphoric acid (50-80%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Potassium hypochlorite
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Sodium carbonate
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Sodium hydroxide (>50%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS

Sodium hydroxide (0-50%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Sulfuric acid (>60%)

PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Sulfuric acid (<60%)
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL
Urea
PVC
PTFE/GARD
VT/GARD
PTFE
VT
TFE-B-AS
METAL SPRAY CONTROL

Are you a distributor?