Sitecna srl Air Preparation Valves. Pneumatic Flow Control Valves.
ATEX & SIL3
Filter Regulators
Sitecna FR pneumatic filter regulators are certified ATEX and GOST Ex as standard. Certified and tested by TUV Rheinland to be compliant with IEC 61508 Functional Safety Level 3 for safety instrumented systems, where reliability and extended working life is critical for plant safety. Datasheet
- 316L Stainless Steel or epoxy coated copper free aluminium
- ATEX, GOST EAC & Ex, SIL3
- Up to 30bar max inlet pressure
- 5, 25 or 40 micron filter elements in 316 stainless steel
- Manual or auto-drain with port sizes 1/4″, 3/8″, 1/2″, 3/4″ and 1″NPT
Type R Pneumatic Regulator
Sitecna type R regulators have NPT threads as standard in sizes from 1/4″ to 1″ for outlet pressures up to 10bar. The maximum inlet pressure is 30bar for the stainless steel construction and 25bar for aluminium. Datasheet
- 1/4″, 3/8″, 1/2″, 3/4″ and 1″NPT
- 316L Stainless Steel or epoxy coated copper free aluminium
- ATEX, GOST EAC & Ex, SIL3
- Up to 30bar max inlet pressure
- 4 pressure range choices up to 10bar
- Relieving or non-relieving versions
F Series. Pneumatic Filter
- 316L Stainless Steel or epoxy coated copper free aluminium, ATEX, GOST EAC & Ex
- Up to 30bar max inlet pressure
- 5, 25 or 40 micron filter elements in 316 stainless steel
- 0.1 micron coalescing element option
- Manual or autodrain
- Port sizes 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1.5″ & 2″NPT
VB Series. Volume Boosters
- 316L Stainless Steel or epoxy coated copper free aluminium
- ATEX, GOST EAC & Ex, SIL3
- Up to 10bar max inlet pressure
- Threaded exhaust option
- 1/4″, 1/2″, 3/4″ and 1″NPT
LK Series. Lock Up Valves
A lock up valve works by sensing the drop in pressure at the signal port. Once this pressure is lower than the adjusted spring compression, the valve closes the control ports, isolating the downstream circuit by extreme sensitivity to changing pressure. Datasheet
- Single or dual circuit operation
- Ideal for use in valve actuation systems and pneumatic automation where pressure control and redundancy are crucial
- Precision manufactured from 316L Stainless Steel or epoxy coated copper free aluminium
- ATEX, GOST EAC & Ex
- Up to 10bar max inlet pressure, 7bar circuit pressure
- Single or dual circuit locking
- 1/4″NPT or 1/2"NPT versions
DP Series. 3/2 & 5/2 Pneumatic Spool Valves
- ideal for use in valve automation systems and pneumatic control systems
- 3/2 & 5/2
- 316L Stainless Steel
- ATEX, GOST EAC & Ex
- SIL3 on pilot operated valves
- -0.9-10bar
- Minimum pilot pressure 2.5bar
DP-RM Series 3/2 & 5/2 Manual Reset Valves
- 1/4"NPT only
- 316L Stainless Steel
- ATEX, GOST EAC & Ex
- -0.9-10bar
- RM1 version is a conventional pilot operated valve with the addition of a manual override to change the valve state when the pilot pressure is not present
- The RM1 has an internal spring to return the valve to its rest position when the pilot or the button is released
Sitecna SV & S3 Pressure Sensing Valves
Our pressure sensing valves, models SV & S3 respond quickly to changing pressure to operate the inbuilt 2/2 (SV) or 3/2 (S3) normally open valves. Datasheet
- These models are often used to sense a fall in line pressure
- 316L stainless steel
- ATEX, GOST EAC & Ex
- 3 ranges – 2bar, 4bar, 8bar
- 1/4″ NPT threads and there is a choice for elastomers to suit different ambient temperature ranges down to -55degC making it suitable for installations in all industrial situations.
Sitecna RF Flow Regulators
- 316L Stainless Steel
- ATEX, GOST EAC & Ex
- 12bar max pressure
- NPT threads in sizes from 1/8″ to 3/4″
- Choice of elastomers to suit different ambient temperature ranges down to -55degC
Sitecna VSR Quick Exhaust Valves
- Compact size with high flow rates
- 316L Stainless Steel
- ATEX, GOST EAC & Ex, SIL3
- 2-12bar
- Certified by TUV Rheinland to be compliant with IEC 61508 Functional Safety Level 3
- NPT 1/8″ to 1″
- Choice of elastomers to suit different ambient temperature ranges down to -40degC
Sitecna VP Vacuum Eductors
- Vacuum flow up to 4.7l/sec and -0.49bar
- Adjustment by loosening the lock ring which causes a corresponding change in the air flow and vacuum generation
- Solid 316L stainless steel or aluminium
- Ideal for use in gas sampling systems and pneumatic automation
- ATEX certification
SLHF Series High Flow Pneumatic Silencers
- 316 Stainless Steel
- ATEX, GOST EAC & Ex
- 0-12bar
- NPT male 1/8″ to 1″
- Maximum operating temperature is 150degC
Sitecna Srl, an Italian manufacturer, produces a range of pneumatic valves and regulators designed for harsh and hazardous conditions. Standard certification includes ATEX. The range has options for ambient temperature duty down to -55degC. The standard construction for filter regulators, regulators, filters, volume boosters and lock up valves are either 316L stainless steel or epoxy coated copper-free aluminium.
Sitecna has achieved IEC 61508 Functional Safety Level 3 (SIL3) compliance through TUV Rheinland for:
- Filter regulators
- Pressure regulators
- Volume boosters
- Quick exhaust valves
- Pneumatic pressure switches
- Air operated 3/2 & 5/2 spool valves
