GWEH Series Explosion-proof Directional Hydraulic Valve

GWEH Series Explosion-proof Directional Hydraulic Valve

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GWEH Series Explosion-proof Directional Hydraulic Valve

The GWEH series explosion-proof directional hydraulic valve is an innovative solution designed to provide optimal safety and precise control in hydraulic systems operating in hazardous environments. With its explosion-proof features, reliable performance, and advanced functionalities, this valve offers enhanced safety measures, efficient fluid flow control, and compatibility with various industrial applications.

The GWEH series explosion-proof directional hydraulic valve is a reliable and efficient solution for industries operating in hazardous environments. With its explosion-proof design, precise directional control, versatility, and high performance, this valve ensures safety and control in hydraulic systems. Following the recommended usage methods and adhering to regular maintenance practices, the GWEH series valve delivers safe and efficient operation in explosive atmospheres. Upgrade your hydraulic system with the GWEH series explosion-proof directional hydraulic valve and experience enhanced safety, optimal fluid flow control, and reliable performance.

GWEH Series Explosion-proof Directional Hydraulic Valve Key Characteristics:

  • Design antideflagrante:
    • The GWEH series valve is engineered with a robust explosion-proof design, ensuring safe operation in environments containing flammable gases or dust.
    • It complies with stringent safety standards and certifications, minimizing the risk of ignition and ensuring the safety of personnel and equipment.
  • Controllo direzionale:
    • This hydraulic valve provides precise directional control of fluid flow, allowing for the activation and deactivation of specific hydraulic actuators.
    • It enables smooth and reliable operation of various hydraulic functions, such as cylinder extension and retraction or motor direction changes.
  • Versatilità e compatibilità:
    • The GWEH series valve is highly versatile and compatible with various hydraulic systems and applications.
    • It can seamlessly integrate into industrial machinery, mobile equipment, and automation systems operating in hazardous environments.
  • Alte prestazioni:
    • With its advanced design and high-quality construction, the GWEH series hydraulic valve delivers exceptional performance and reliability.
    • It ensures consistent and precise control over fluid flow, contributing to efficient and optimized system operation.

GWEH Series Explosion-proof Directional Hydraulic Valve Parameter:

NG10

Working pressureP,A,B sbarra 315
Porto T With external pilot oil drain sbarra 315
With internal pilot oil drain sbarra 210
Porta Y With external pilot oil drain sbarra 210
Min. control pressure With external pilot oil supply

With internal pilot oil supply

(not apply to  C, Z, F, G, H, P, T, V)

 sbarra 3-position valve                             10
Spring-return 2-position valve       10
Hydraulic-return 2-position valve    7
With internal pilot oil supply
( apply to  C, Z, F, G, H, P, T, V)		 sbarra  4.5
Max. control pressure sbarra 250
Fluido Olio minerale, estere fosfatico
Intervallo di temperatura del fluido °C -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
intervallo di viscosità mm2/S Da 2,8 a 500
Controlled quantity in commutating process cm3 3-position valve  2.04 2-position valve  4.08
Switching times (= Valve switching time from the neutral position to the switched position)（DC ）
Control pressure sbarra 70 140 210 250
3-position valve SM 65 60 55 50
 2-position valve SM 80 75 70 65
Switching times (= Valve switching time from the switched position to the neutral position)
3-position valve SM 30
2-position valve SM 35 40 30 35 25 30 20 25
Flow of shortest switching time litri/min about 35
Posizione di installazione HC, HD, HK, HZ and HY of hydraulic return shall be installed horizontally. The rest are arbitrary

NG16

Specifiche G-..WEH16../6B2..  type
Working pressureP,A,B  bar 350
Porto T With external pilot oil drain  bar 250
With internal pilot oil drain   bar 210
Hydraulic-centering 3-position valve  With internal pilot oil drain is impossible
Porta Y With external pilot oil drain  bar 210
Min. control pressure With external pilot oil supply  bar

With internal pilot oil supply  bar

 3-position valve                             14
Spring-return 2-position valve            14
Hydraulic-return 2-position valve            14
With internal pilot oil supply
( apply to  C、Z、F、G、H、P、T、V)   bar		 When applying back pressure valve or the flow is large, enginery of spool valve is 4.5 bar as  C、Z、F、G、H、P、T and V
Max. control pressure  bar 250
Fluido Olio minerale, estere fosfatico
Fluid temperature range   ℃ -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
Viscosity range mm2 /s 2 Da 2,8 a 500
Switching pilot oil volume
-Spring-centering 3-position valve     cm3 5.72
-2-position valve   cm3 11.45
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure  bar 50 150 250
– Spring-centering 3-position valve   ms 65 60 58
– 2-position valve    ms 65 55 50
*Switching times (= Valve switching time from the neutral position to the switched position)
– Spring-centering 3-position valve    ms 40
– 2-position valve    ms 45 35 30
Posizione di installazione C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily。
Flow of shorter switching time   L/min about 35
Weight of the valve  kg about 10.6

NG25

Specifiche G-H-…WEH25../6B2…  type
Working pressureP,A,B  bar 350
Porto T With external pilot oil drain  bar 250
With internal pilot oil drain   bar 210
Hydraulic-centering 3-position valve  With internal pilot oil drain is impossible
Porta Y With external pilot oil drain  bar 210
Min. control pressure With external pilot oil supply  bar

With internal pilot oil supply  bar

 Spring-centering 3-position valve            13
Hydraulic-centering 3-position valve            18
Spring-return 2-position valve            13
Hydraulic-return 2-position valve            18
With internal pilot oil supply When applying back pressure valve or the flow is large, enginery of spool valve is 4.5 bar as  C、Z、F、G、H、P、T and V
Max. control pressure  bar 250
Fluido Olio minerale, estere fosfatico
Fluid temperature range   ℃ -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
Viscosity range mm2 /s 2 Da 2,8 a 500
Switching pilot oil volume
-Spring-centering 3-position valve     cm3 14.2
-2-position valve   cm3 28.4
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure  bar 50 140 210 250
– Spring-centering 3-position valve   ms 85 75 70 65
– 2-position valve    ms 160 130 120 105
**Switching times (= Valve switching time from the neutral position to the switched position)
– Spring-centering 3-position valve    ms 40
– 2-position valve    ms 125 100 90 80
Posizione di installazione C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily。
Flow of shorter switching time   L/min about 35
Weight of the valve  kg about 19

GWEH Series Explosion-proof Directional Hydraulic Valve Advantages:

• Directional valve directional the oil path by controlling the main spool
• WEH electrohydraulic control
• Two-position four-way or three-position four-way
• Installation face follows DIN 24340 A, ISO 4401, and CETOP-RP 121H Sub-plate mounting connection
• Sostituire la bobina senza rilasciare l'olio

Usage Method Of GWEH Series Explosion-proof Directional Hydraulic Valve :

  • Valutazione delle aree pericolose:
    • Eseguire una valutazione approfondita dell'area pericolosa per identificare i requisiti specifici e la classificazione antideflagrante.
    • Determinare le misure di sicurezza e le precauzioni appropriate necessarie per conformarsi alle normative.
  • Selezione della valvola:
    • Select the GWEH Series Valve with the suitable specifications, considering factors such as pressure ratings, flow capacity, and voltage requirements.
    • Assicurare la compatibilità con il sistema idraulico e l'ambiente pericoloso specifico.
  • Installazione:
    • Follow the manufacturer’s instructions for proper installation of the GWEH Series Valve in the hydraulic system.
    • Assicurare un montaggio sicuro e collegamenti elettrici adeguati, rispettando i valori di coppia consigliati e le linee guida per il cablaggio.
  • Controllo e attivazione:
    • Utilize the recommended control method, such as electrical signals or remote activation, to operate the GWEH Series Valve.
    • Collegare la valvola a una fonte di alimentazione e a un sistema di controllo idonei, seguendo gli schemi elettrici forniti.

How Does A Hydraulic Control Valve Work?

A hydraulic control valve is a critical component in hydraulic systems that regulates the flow and direction of hydraulic fluid to control the operation of hydraulic actuators. It enables precise control over various hydraulic functions, such as extending or retracting cylinders, controlling motor speed and direction, or adjusting the flow rate of hydraulic fluid. Here’s an overview of how a hydraulic control valve works:

  1. Struttura della valvola:
    • A hydraulic control valve typically consists of a valve body, spools or poppets, and various internal passages.
    • The valve body contains inlet and outlet ports for fluid connection and chambers that direct the flow.
    • The spools or poppets are movable elements within the valve body that control the flow paths and connect the appropriate ports.
  2. Flow Control:
    • The hydraulic control valve regulates the flow of hydraulic fluid by opening and closing specific flow paths within the valve.
    • The position of the spools or poppets determines which ports are connected and allows fluid to flow in the desired direction.
  3. Controllo direzionale:
    • Hydraulic control valves provide directional control by selectively connecting or blocking fluid flow to different hydraulic actuators.
    • By adjusting the position of the spools or poppets, the valve determines which actuator receives fluid and in which direction it moves.
  4. Actuation Methods:
    • Hydraulic control valves can be actuated using manual levers, mechanical linkages, solenoids, or pilot pressure control.
    • Manual control valves are operated by moving the levers or handles to position the spools or poppets.
    • Solenoid-controlled valves use electromagnetic coils to actuate the valve, allowing for remote or automated control.
  5. Control Modes:
    • Hydraulic control valves offer different control modes, such as 2-way, 3-way, or 4-way control.
    • A 2-way control valve controls flow in one direction, allowing or blocking fluid flow.
    • A 3-way control valve has three ports and can control the flow between two ports while blocking the third.
    • A 4-way control valve has four ports and can route fluid between two actuator ports while blocking the other two.
  6. Compensazione della pressione:
    • Some hydraulic control valves are equipped with pressure compensation features to maintain a consistent flow rate despite changes in system pressure.
    • These valves adjust the flow passages based on pressure differentials, allowing for precise control regardless of varying operating conditions.
  7. Feedback and Control Loops:
    • Advanced hydraulic control valves may incorporate feedback mechanisms, such as position or pressure sensors, to provide feedback to a control system.
    • This feedback enables closed-loop control, where the system can monitor and adjust the valve’s position or flow based on desired setpoints or operating conditions.

Capacità e capacità della fabbrica:

(1) Montaggio

Disponiamo di una piattaforma di assemblaggio indipendente di ricerca e sviluppo di prima classe. L'officina di produzione di cilindri idraulici dispone di quattro linee di assemblaggio semiautomatiche per cilindri di sollevamento e una linea di assemblaggio automatica per cilindri di inclinazione, con una capacità produttiva annua progettata di 1 milione di pezzi. L'officina per cilindri speciali è dotata di un sistema di assemblaggio semiautomatico per la pulizia con diverse specifiche, con una capacità produttiva annua progettata di 200.000 pezzi e dotata di rinomate macchine per lavorazioni meccaniche CNC, un centro di lavoro, attrezzature speciali per la lavorazione di cilindri ad alta precisione, una macchina per saldatura robotizzata, una macchina per la pulizia automatica, una macchina per l'assemblaggio automatico dei cilindri e una linea di produzione per la verniciatura automatica. Sono disponibili oltre 300 set di attrezzature critiche. L'allocazione ottimale e l'uso efficiente delle risorse delle attrezzature garantiscono i requisiti di precisione dei prodotti e ne soddisfano le elevate esigenze di qualità.

(2) Lavorazione

L'officina di lavorazione è dotata di un centro di tornitura su rotaia inclinata personalizzato, di un centro di lavorazione, di una levigatrice ad alta velocità, di un robot di saldatura e di altre attrezzature correlate, in grado di gestire la lavorazione di tubi cilindrici con un diametro interno massimo di 400 mm e una lunghezza massima di 6 metri.

(3) Saldatura

(4) Verniciatura e rivestimento

Con linee automatiche di verniciatura a base d'acqua a cilindro di piccole e medie dimensioni, per realizzare il carico e lo scarico automatico con robot e la spruzzatura automatica, la capacità di progettazione è di 4000 pezzi per turno;
Disponiamo anche di una linea di produzione semiautomatica di vernici per cilindri di grandi dimensioni alimentata da una catena di potenza, con una capacità di progettazione di 60 casse per turno.

(5) Test

Disponiamo di strutture di ispezione e banchi di prova di prim'ordine per garantire che le prestazioni del cilindro siano conformi ai requisiti.

 

 

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Cilindro idraulico Applicazione:

Due tipi di base e principi di funzionamento del cilindro idraulico:

it_ITIT
it_ITIT en_USEN pt_BRPT es_ESES de_DEDE fr_FRFR arAR zh_CNZH ru_RURU ko_KRKO ka_GEKA bg_BGBG cs_CZCS da_DKDA elEL etET fiFI hu_HUHU id_IDID lt_LTLT lvLV nb_NONB nl_NLNL pl_PLPL ro_RORO sk_SKSK sl_SISL sv_SESV tr_TRTR ukUK