Proportional valves

Proportional valves with ATEX approval series DHZA and DPZA

Proportional valve in spool design. Available in sizes NG 6, 10, 16 and 25 See symbols at the end of the chapter for valves

• Max. system pressure: 350 bar
• Flow: 2 - 390 L / min at 10 bar pressure drop
• Protection class: IP 67
• Medium: synthetic / mineral oil - on request also water / glycol
• DHZA: NG6, spool, directly controlled
• DLHZA: NG6, Spool in the lining, directly controlled
• DKZA: NG10, Spool, directly controlled
• DLKZA: NG10, Spool in lining, directly controlled
• DPZA: NG16, 25, Spool, Pilot Operated
• Available in ATEX Ex II 2G class EEx D IIC T6, T4 and T3

Ex-proof proportional valves with integral digital drivers

Ex-proof ZA valves are proportional valves with specific solenoids and integral digital electronic drivers.

• ATEX 94/9/CE Ex II 2 G Ex d IIC T6/T5/T4/T3 (group II for surface plants with gas or vapours environment, category 2, zone 1 and 2)
• IECEx worldwide recognized safety certification, Ex d IIC T6/T5/T4/T3 Gb IP66
• Compact execution
• Simplified valve wiring
• Reduced risk of electromagnetic disturbances on the valve’s transducer feedback signal
• Possibility to exploit in hazardous environment and all the advantages provided by the standard digital electronics: Software setting of the main functional parameters.
• Complete diagnostics of the driver status, and fault condition.

Proportional directly operated valve, KB * G4V-3, size NG 6

"Standard performance" valves supplied as a 3-position 4-way valve for regulating the direction and flow. Also available as 2-position of 1-way valve for regulating the flow only. The valve has built-in control card

• Alternative control signal (+ / - 10 volt & amp 4-20.)
• Adjustable ramp (0-12 sec.)
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 24 l / min v 5 bar pressure (depending on spool type)
• Hysteresis <8% of the nominal oil flow

Prop. Directional Valves, Electrical/manual operation, type 1STB

Servi Hydranor valves are protected against seawater and designed specially for use on ship’s deck, which makes them suitable for all marine applications and offshore use.

• Sizes : NG6, NG10, NG16 and NG25.
• Capacity to 500 l/min.
• Customer Design spools available.
• A number of possibilities for spool positioning, sprin or detent.

Proportional directly operated valve, K (B) FD/TG4V-3, size NG 6

"High performance" valves supplied as a 3-position 4-way valve for regulating the direction and flow. Also available as 2-position of 1-way valve for regulating the flow only.

• Control signal + / - 10 volts
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 20 l / min v 5 bar pressure (depending onspool type)
• Hysteresis <1% of nominal oil flow

Proportional directly operated valve, KB * G4V-5, size 10 NG

"Standard performance" valves supplied as a 3-position 4-way valve for regulating the direction and flow. Also available as 2-position of 1-way valve for regulating the flow only. The valve has built-in control card

• Alternative control signal (+ / - 10 volt & amp 4-20.)
• Adjustable ramp (0-12 sec.)
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 50 l / min (70 l / min as 2-position) v 5 bar pressure (depending on spool type)
• Hysteresis <8% of the nominal oil flow

Proportional directly operated valve, K (B) FD/TG4V-5, size 10 NG

High performance" valves supplied as a 3-position 4-way valve for regulating the direction and flow. Also available as 2-position of 1-way valve for regulating the flow only.

• Control signal + / - 10 volts
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 50 (70) l / min v 5 bar pressure (depending on spool type)
• Hysteresis <1% of nominal oil flow

Proportional directly operated valve K (B) SDG4V-5 size 10 NG

"Power Performance" series valves have excellent technical data which enables the use of the valve in closed loop circuits have previously been used servo valves.

• Control signal + / - 10 volts
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 80 l / min v 70 bar pressure drop (depends on spool type)
• Hysteresis <0.5%

Forstyrt Proportional directional valve, KB * G4V-3, size NG 10/16/25/32

"Standard performance" valve series provides a cost effective solution where one does not need more "sophisticated" valves with built-in feedback spool position. The valve has built-in control card.

• Alternative control signal (+ / - 10 volt & amp 4-20.)
• Adjustable ramp (0-12 sec.)
• Isolation Class IP 67 - CE approved
• Max pressure 315/350 bar
• Maximum oil flow NG10: 90 l / min, NG16: 170 l / min, NG25: 330 l / min, NG32: 550 l / min
• Hysteresis <8% of the nominal oil flow

Forstyrt Proportional directional valve, KBFDG5V-5/7/8 size NG 10/16/25

"High preformance" proportional valve with built-in feedback on the main stage. The valve has technical data lies between KBDG and KBHDG

• Control signal + / - 10 volts
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 95/150/375 L / min v 5 bar pressure drop (depends on spool type)
• Hysteresis <1%

Pilot operated proportional directional valve, KBH DG5V-5/7/8 size NG 10/16/25

"High preformance" valve series excellent technical data. This enables the use of the valve in closed loop circuits have previously been used servo valves.

• Control signal + / - 10 volts
• Isolation Class IP 67
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 70/200/375 L / min v 5 bar pressure drop (depends on spool type)
• Hysteresis <1%

Proportional directly operated valve K (B) SDG4V NG-3 size 6

"Power Performance" series valves have very excellent technical data which enables the use of the valve in closed loop circuits have previously been used servo valves.

• Control signal + / - 10 volts
• Protection class IP 67/65 (with / without a built-electronics)
• CE-approved
• Vibration and shock tested
• Max pressure 350 bar
• Max 40 l / min v 70 bar pressure drop (depends on spool type)
• Hysteresis <0.5%

Directional Valves, manual operation, type 20STB, 10MB & 11MB

Servi Hydranor valves are protected against seawater and designed specially for use on ship’s deck, which makes them suitable for all marine applications and offshore use.

• Sizes : 6-40mm.
• Capacity to 1.500 l/min.
• Customer Design spools available.
• A number of possibilities for spool positioning, sprin or detent.
• w/wo pressure compensated spool

Proportional load sensing directional valves and Series PSVF PSLF

Proportional load sensing directional valves and Series PSVF PSLF. Pressure-compensated plate mounted size 3, 5 and 7. Made from Nitra hardened steel. For fixed (PSLF) or variable (PSVF) pumps. Manual (w / continuous screen if desired), electric (Ex), electro-hydraulic, hydraulic or pneumatic activation.

• Up to 420 bar.
• With or without pressure limitation of the inlet.
• Up to 12 working sections.
• Size 3 : Pressure-compensated volume flow up to 100 l / min. per. Section.
• Size 5 : Pressure-compensated volume flow up to 220 l / min. per. Section.
• Size 7 : Pressure-compensated volume flow up to 400 l / min. per. Section.
• Separate adjustment of the load pressure signal on the A and B port.
• The valves come standard with stainless spindle and screws.
• Available with shock / anti-cavitation valve or seat valve at the A and B port.
• Asymmetrical spools and spools with 20 bar pressure in the tank port supplied.
• Can combine sizes 3 and 5 by using the transition plate.
• Approved for zone 1

Proportional load sensing directional valves series SSP.

SSP Series is developed by PMC Servi has been added to assemble the valve combinations which not Hawe's standard program allows. The design includes possibility of operating with both stick / electro / hydraulically without sacrificing response time.

• The base plate is made of seawater resistant aluminum.
• Technical data as above, see PSVF and PSLF.

Proportional load sensing directional valves series SSP w / built-on valves.

Using this valve program, large pipe connections are removed and replaced with a compact, fully tested valve solution. Included in the solution may be shocked / antikavitasjon, load control, mooring, emergency lowering and other manual / hydraulic / electric valve functions.

• Maximum oil flow 460 lpm.
• Valve Solution for maximum oil flow 800 lpm is available
• Available with ATEX for use in Zone I.
• Technical data as above, see PSVF and PSLF.

PROPORTIONAL PRESSURE COMPENSATED SECTIONAL VALVE

Hydranor Sectional Valve is specifically designed for marine applications where one or more functions are connected to the same pump unit. HSV600 is a standard valve designed to serve a wide range of markets while at the same time maintaining Hydranor’s design philosophy. This makes it extremely well suited for use on ship decks, and most marine and offshore applications. With a direct connection to HAWE PSV, it covers the whole flow range.

• Flow range 150-600 l/min, symmetrical/asymmetrical
• Combination plate up to 1200 l/min
• Connection plate for Hawe PSV5/3 (3-240 l/min)
• Proportional electric, manual and/or hydraulic activation
• Onboard or external control card, spool feedback sensor, also compliant with Atex/IEC EX
• Service friendly design

Proportional load sensing directional valves series PSV and PSL

Pressure-compensated section valve size 3 or 5 Made from special steel nitrerherdet. For fixed (PSL) or variable (PSV) pumps. Manual (w / continuous screen if desired), electric (Ex), electro-hydraulic, hydraulic or pneumatic activation.

• Up to 420 bar
• With or without pressure limitation of the inlet
• Up to 12 arb.seksjoner in a row
• Press-compensated volume flow up to 220 l / min. per. section
• Separate adjustment of the load pressure signal on A and B port
• The valves come standard with stainless spindle and screws
• Available with flange valves for shock / anti-cavitation valve or seat at the A and B port
• Asymmetrical slides and slides with 20 bar pressure in the tank port available
• Can combine sizes 3 and 5 by using the transition plate
• Also available in plate mounted version PSLF and PSVF

Cartridge Valve ATEX

Proporsonal flow control valve for stepless control of oil flows up to 1800 l / min.

Cartridge - screw-in valves

Proporsonal flow control valve for stepless adjustment of oil amounts to approx. 800 l / min.

Cartridge valve

Proporsonal flow control valve for stepless control of oil flows up to 1800 l / min.

Cartridge valve

Hydraulic cartridge valve for accurate stepless adjustment of oil flows up to 10000 l / min.

Cartridge Valve ATEX

Servo cartridge valve for accurate stepless adjustment of oil flows up to 10000 l / min.

Cartridge valve

Hydraulic cartridge valve for accurate 3-way stepless adjustment of oil flows up to 2500 l / min.

Cartridge Valve ATEX

Servo cartridge valve for accurate 3-way stepless adjustment of oil flows up to 2500 l / min.