Rolyn Engineering

Valsteam ADCA Pressure Regulators

PRV41
The ADCA PRV41SS is a series of direct acting, spring loaded, piston sensing pressure reducing valves. These regulators are designed for use with nitrogen, compressed air, water and other gases and liquids compatible with the materials of construction. They are suitable for general purpose pressure reducing applications such as instrumentation systems and industrial equipment where small loads and high pressures are involved.

Material

Stainless steel

Sizes

1/4″ to 3/4″ – DN 15 and DN 20

Connections

Female threaded ISO 7 Rp, ISO 228 or NPT Flanged EN PN 40 to PN 250 Flanged ASME Class 150, 300 or 600

Max. Pressure

220 bar

Max. Temperature

80 ºC

Regulating Range

3 to 200 bar

Flow Rate 

Up to 0,9 Kvs
PRV31SS | DN 25 – 50

Material

Stainless steel

Sizes

1” to 2” – DN 25 to DN 50

Connections

Threaded ISO 7 Rp or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150 or 300

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

3 to 50 bar

Flow Rate 

Up to 15,4 m3/h
PRV31SS | DN 15 – 25

Material

Stainless steel

Sizes

1/2” to 1” – DN 15 to DN 25

Connections

Threaded ISO 7 Rp or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150 or 300

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

3 to 50 bar

Flow Rate 

Up to 7,5 m3/h
PRV30SS | DN 25 – 50

Material

Stainless steel

Sizes

1” to 2” – DN 25 to DN 50

Connections

Threaded ISO 7 Rp or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150, 300 or 600

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

0,2 to 15 bar

Flow Rate 

Up to 13,7 m3/h
PRV30SS | DN 15 – 25

Material

Stainless steel

Sizes

1/2” to 1″ – DN 15 to DN 25

Connections

Threaded ISO 7 Rp or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150 or 300

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

0,2 to 15 bar

Flow Rate 

Up to 6,5 m3/h
P20P
The ADCA P20P is a series of direct acting, spring loaded, piston sensing pressure reducing valves. These regulators are designed for use with nitrogen, compressed air, water and other gases and liquids compatible with the materials of construction. They are suitable for general purpose pressure reducing applications such as instrumentation systems and industrial equipment where small loads and high pressures are involved.

Material

Stainless steel

Sizes

1/4”

Connections

Female threaded ISO 7 Rp, ISO 228 or NPT

Max. Pressure

220 bar

Max. Temperature

80 ºC

Regulating Range

0,2 to 200 bar

Flow Rate 

0,043 to 0,62 Kvs
P20DS
The ADCA P20DS is a series of direct acting, spring loaded, diaphragm sensing balanced plug pressure reducing valves. These regulators are particularly suitable for general purpose applications where low flow and high temperatures are involved and have been especially designed for use with steam.

Material

Stainless steel

Sizes

1/4” to 1/2” – DN 15

Connections

Female threaded ISO 7 Rp, ISO 228 or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150 or 300

Max. Pressure

14 bar

Max. Temperature

200 ºC

Regulating Range

0,2 to 8 bar

Flow Rate 

1,2 to 1,8 Kvs
P20D
The ADCA P20D is a series of direct acting, spring-loaded, diaphragm sensing and balanced plug pressure reducing valves. These regulators are designed for use with compressed air, water and other gases and liquids compatible with the construction materials and valve design. They are suitable for pressure reducing applications at the point of use in laundry and dyeing machines, food industries, sterilizers, etc.

Material

Stainless steel

Sizes

1/4” to 1/2” – DN 15

Connections

Female threaded ISO 7 Rp, ISO 228 or NPT Flanged EN 1092-1 PN 40 Flanged ASME B16.5 Class 150 or 300

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

0,2 to 15 bar

Flow Rate 

1,2 to 1,8 Kvs
P7
The ADCA P7 series direct-acting, spring-loaded diaphragm sensing pressure reducing valves, are designed for use with steam, compressed air and other gases compatible with the materials of construction. They are suitable for pressure reducing stations where very small loads are involved. They are also specifically recommended to operate as pilot valves in combination with other pressure regulators.

Material

Stainless steel

Sizes

1/4” and 3/8”

Connections

Threaded ISO 7 Rp or NPT

Max. Pressure

25 bar (steam) 31 bar (gases)

Max. Temperature

300 ºC

Regulating Range

0,35 to 17 ba

Flow Rate 

1 or 1,1 Kvs (m3/h)
PRV47
The ADCA PRV47 pilot operated pressure reducing valves are designed for use with steam, compressed air, nitrogen and other gases compatible with the construction materials. The PRV47 can be installed in pressure reducing stations throughout all industries and provides sensitive and accurate control even when inlet pressure fluctuations or flow variations occur.

Material

Carbon steel or stainless steel

Sizes

1/2” to 2” – DN 15 to DN 50

Connections

Threaded ISO 7 Rp or NPT Flanged EN PN 40 Flanged ASME Class 150 or 300 Socket Weld (SW) ASME B16.11

Max. Pressure

28 bar

Max. Temperature

250 ºC

Regulating Range

0,07 to 17 bar

Flow Rate 

N/A
PRV57
The ADCA PRV57 pilot operated pressure reducing valves are designed for use with steam, compressed air, nitrogen and other gases compatible with the construction materials. The PRV57 can be installed in pressure reducing stations throughout all industries, and provide sensitive and accurate control even when inlet pressure fluctuations or relevant flow variations occur.

Material

Carbon steel or stainless steel

Sizes

DN 15 to DN 100

Connections

Flanged EN 1092-1 PN 16 or PN 40

Max. Pressure

28 bar

Max. Temperature

250 ºC

Regulating Range

0,07 to 17 bar

Flow Rate 

N/A
RPW45B
The ADCA RPW45B series pressure reducing valves are single seated, diaphragm sensing proportional controllers that operate without auxiliary energy. Designed for use with water, compressed air and other liquids and gases compatible with the construction.

Material

SG Iron, carbon steel or stainless steel

Sizes

DN 50 to DN 100

Connections

Flanged EN 1092-1 PN 16 or PN 40

Max. Pressure

Up to 40 bar

Max. Temperature

130 ºC

Regulating Range

0,2 to 18 bar

Flow Rate 

26,5 to 129,5 Kvs (m3/h)
POT
The ADCA POT is specially designed to protect the actuator’s diaphragms of RP45 pressure regulators when the media temperature exceeds their maximum operating temperatures.

Material

Carbon steel or stainless steel

Sizes

3/8”

Connections

Threaded ISO 7 Rp

Max. Pressure

40 bar

Max. Temperature

N/A

Regulating Range

N/A

Flow Rate 

N/A
RP45 (Threaded)
The ADCA RP45 series pressure reducing valves are single seated, bellows sealed controllers that operate without auxiliary energy. Designed for use with steam, compressed air, and other gases compatible with the construction. These valves are particularly suitable for reducing steam pressure in all energy and process systems where pressures must be kept under control.

Material

Carbon steel or stainless steel

Sizes

1/2″ to 2″

Connections

Female threaded ISO 7 Rp or NPT

Max. Pressure

Up to 25 bar

Max. Temperature

Up to 250 ºC

Regulating Range

0,15 to 18 bar

Flow Rate 

4,8 to 26,5 Kvs (m3/h)
RP45 (ASME)
The ADCA RP45 series pressure reducing valves are single seated, bellows sealed controllers that operate without auxiliary energy. Designed for use with steam, compressed air, and other gases compatible with the construction. These valves are particularly suitable for reducing steam pressure in all energy and process systems where pressures must be kept under control.

Material

Carbon steel

Sizes

1/2” to 6”

Connections

Flanged ASME B16.5 Class 150 or 300

Max. Pressure

Up to 25 bar

Max. Temperature

Up to 250 ºC

Regulating Range

0,15 to 18 bar

Flow Rate 

4,8 to 204 Kvs
PRV25
The ADCA PRV25 is a series of direct acting pressure reducing valves designed for use on steam, compressed air, water and other gases and liquids. These regulators are suitable for reducing steam pressure at the point of use on laundry machines, dyeing, food industries, sterilizers, etc.

Material

Carbon steel or stainless steel

Sizes

1/2” to 1” – DN 15 to 25

Connections

Threaded ISO 7 Rp Flanged EN PN 25 Flanged ASME Class 150 or 300

Max. Pressure

Up to 17 bar

Max. Temperature

Up to 210 ºC

Regulating Range

0,35 to 8,6 bar

Flow Rate 

1,7 to 3,1 Kvs
RP45 (EN)
The ADCA RPW45B series pressure reducing valves are single seated, diaphragm sensing proportional controllers that operate without auxiliary energy. Designed for use with water, compressed air and other liquids and gases compatible with the construction.

Material

SG Iron, carbon steel or stainless steel

Sizes

DN 50 to DN 100

Connections

Flanged EN 1092-1 PN 16 or PN 40

Max. Pressure

Up to 40 bar

Max. Temperature

130 ºC

Regulating Range

0,2 to 18 bar

Flow Rate 

26,5 to 129,5 Kvs (m3/h)
PS31SS
The ADCA PS31SS is a series of direct-acting, spring-loaded, piston sensing pressure sustaining valves. These regulators are designed for use with compressed air, water, and other gases and liquids compatible with the construction materials and vlve design. They are suitable for pressure sustaining applications at the point of use in laundry and dyeing machines, food industries, sterelizers, etc.

Material

Stainless steel

Sizes

1/2” to 1” – DN 15 to DN 25

Connections

Threaded ISO 7 Rp or NPT Flanged EN PN 40 Flanged ASME Class 150 or 300

Max. Pressure

50 bar

Max. Temperature

80 ºC

Regulating Range

3 to 50 bar

Flow Rate 

Up to 7,5 m3/h
PS30SS
The ADCA PS30SS is a series of direct acting, spring-loaded diaphragm sensing pressure sustaining valves. These regulators are designed for use with compressed air, water, and other gases and liquids compatible with the construction materials and valve design. They are suitable for pressure sustaining applications at the point of use in laundry and dyeing machines, food industries, sterelizers, etc.

Material

Stainless steel

Sizes

1/2” to 1” – DN 15 to DN 25

Connections

Threaded ISO 7 Rp or NPT Flanged EN PN 40 Flanged ASME Class 150 or 300

Max. Pressure

15 bar

Max. Temperature

80 ºC

Regulating Range

0,2 to 15 bar

Flow Rate 

Up to 6,5 m3/h
PS7
The ADCA PS7 series direct-acting, spring-loaded diaphragm sensing pressure sustaining valves are designed for use with steam, compressed air and other gases compatible with the materials of construction. They are suitable for pressure sustaining applications where very small loads are involved. They are also specifically recommended to operate as pilot valves in combination with other pressure regulators.

Material

Carbon steel or stainless steel

Sizes

1/4” and 3/8”

Connections

Female threaded ISO 7 Rp or NPT

Max. Pressure

17 bar

Max. Temperature

300 ºC

Regulating Range

0,35 to 17 bar

Flow Rate 

0,8 Kvs
PS4
The ADCA PS4 is a series of direct acting, spring-loaded diaphragm sensing, pressure sustaining valves designed for use with compressed air, water and other gases or liquids compatible with the construction. The valve main purpose is to maintain the upstream pressure under control in applications where small loads are involved. These valves are also specifically recommended to operate as pilot valves in combination with other pressure regulators.

Material

Carbon steel or stainless steel

Sizes

1/2” to 1”

Connections

Female threaded ISO 7 Rp or NPT

Max. Pressure

15 BAR

Max. Temperature

80 ºC

Regulating Range

0,35 to 17 bar

Flow Rate 

3,6 or 3,7 Kvs
PS47
The ADCA PS47 pilot operated pressure sustaining valves are designed for use with steam, compressed air, nitrogen and other gases compatible with the construction materials. The PS47 accurately senses upstream pressure and acts to precisely control it to a minimum or disperse excess pressure.

Material

Carbon steel or stainless steel

Sizes

1/2” to 2” – DN 15 to DN 50

Connections

Flanged EN PN 40 Flanged ASME Class 150 or 300 Female threaded ISO 7 Rp or NPT Socket weld (SW) ASME B16.11

Max. Pressure

17 bar

Max. Temperature

250 ºC

Regulating Range

0,07 to 17 bar

Flow Rate 

N/A
PSW46B
The ADCA PSW46B series pressure sustaining valves are single seated, diaphragm or piston sensing proportional controllers that operate without auxiliary energy. Designed for use with water, compressed air and other liquids and gases compatible with the construction.

Material

Carbon steel

Sizes

DN 50 to DN 100

Connections

Flanged EN 1092-1 PN 16 or PN 40

Max. Pressure

Up to 18 bar

Max. Temperature

130 ºC

Regulating Range

N/A

Flow Rate 

26,5 to 129,5 Kvs
PS46
The ADCA PS46 series pressure sustaining valves are single seated, diaphragm or piston sensing bellows sealed controllers, that operate without auxiliary energy. These valves are designed for use with steam, compressed air, and other gases compatible with the construction. These valves are particularly suitable for sustaining steam pressure in all energy and process systems where minimum upstream pressures must be kept under control.

Material

Carbon steel

Sizes

DN 15 to DN 100

Connections

Flanged EN 1092-1 PN 16 or PN 40

Max. Pressure

Up to 18 bar

Max. Temperature

Up to 250 ºC

Regulating Range

N/A

Flow Rate 

4,8 to 129,5 Kvs
BKVi2
Tank blanketing valves are commonly used in tank storage systems to prevent and protect against explosions (avoiding flammable liquids being vented from a vessel), to control product contamination against external air that may fill the vapor space, to reduce evaporation losses (consequently, production losses), to reduce internal corrosion (caused by air and moisture) and to prevent vacuum condition. The blanketing process consists of covering the stored medium, usually a liquid, with a gas (normally N2).

Material

Stainless steel

Sizes

1/2″ and 1″ – DN 15 and DN 25

Connections

Flanged EN PN 16 Flanged ASME B16.5 Class 150

Max. Pressure

6 bar

Max. Temperature

130 ºC

Regulating Range

5 to 4000 mbar

Flow Rate 

N/A
BKRi2
Tank blanketing valves are commonly used in tank storage systems to prevent and protect against explosions (avoiding flammable liquids being vented from a vessel), to control product contamination against external air that may fill the vapor space, to reduce evaporation losses (consequently, production losses), to reduce internal corrosion (caused by air and moisture) and to prevent vacuum condition. The blanketing process consists of covering the stored medium, usually a liquid, with a gas (normally N2).

Material

Stainless steel

Sizes

1/2″ and 1″ – DN 15 and DN 25

Connections

Flanged EN PN 16 Flanged ASME B16.5 Class 150

Max. Pressure

12 bar

Max. Temperature

130 ºC

Regulating Range

5 to 4000 mbar

Flow Rate 

N/A
RP45TW
The ADCA RP45TW series pressure reducing station consists of two standard RP45 valves installed in parallel. This system is particularly recommended for installations where a single valve cannot reach the maximum required flow rate or when the consumption variation is significant, being prudent to install two smaller valves instead of a single one in order to avoid oversizing. This system is also recommended when it is vital that the steam supply is not interrupted.

Material

N/A

Sizes

S252/F separator – DN 15 to DN 300 & Pressure regulator – DN 15 to DN 100.

Connections

Flanged EN PN 16 or PN 40. Flanged ASME Class 150 or Class 300.

Max. Pressure

N/A

Max. Temperature

N/A

Regulating Range

N/A

Flow Rate 

N/A

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