ATOS DHA-0751/2/M Solenoid Directional Valve

 

The model you provided as ATOS DHA-075/2/M appears to correspond to the ATOS DHA-0751/2/M series. ATOS documentation identifies the DHA as a direct-operated, spool-type, subplate-mounted explosion-proof directional valve. The official ATOS documentation uses the full model-code structure, so the complete ordering code should be confirmed from the valve nameplate, especially the voltage code and any options. (Atos)

Product Name

ATOS DHA-0751/2/M Explosion-Proof Solenoid Operated Directional Valve

Model Number

DHA-0751/2/M

Common complete variants include:

• DHA-0751/2/M-24DC

• DHA-0751/2/M/7-24DC

• DHA-0751/2/NPT-24DC

• DHA-0751/2/PA-NPT-24DC

These variants are listed in ATOS-related product references; however, the exact suffix should be matched against the valve nameplate before ordering. (Schilke Hydraulik)

Brand

ATOS

Product Details

Item	Details
Brand	ATOS
Series	DHA
Model	DHA-0751/2/M
Valve type	Explosion-proof directional valve
Operating principle	Direct-operated spool
Mounting	Subplate
Valve size	ISO 4401 size 06
Solenoid	Explosion-proof
Cable connection	M = M20 × 1.5
Spool	Type 1/2
Application	Hydraulic directional control, including hazardous/explosion-risk environments

ATOS describes the DHA as a direct, spool-type, subplate-mounted directional valve with AC or DC solenoids. The M option denotes an M20 × 1.5 solenoid threaded connection.

Description

The ATOS DHA-0751/2/M is an explosion-proof, solenoid-operated hydraulic directional control valve designed for switching hydraulic flow in industrial systems.

The DHA family uses a direct-operated spool design and is mounted on an ISO 4401 size 06 subplate. ATOS offers this series with explosion-proof solenoids and certifications for hazardous-area applications. (Atos)

The /2 spool configuration provides a specific spool/flow-path arrangement defined by the ATOS DHA configuration and spool tables. The exact hydraulic symbol should be checked against the manufacturer's catalogue when designing or replacing a valve.

Verified Specifications

According to the ATOS technical documentation:

• Valve size: ISO 4401 size 06

• Maximum flow: up to 70 L/min for DHA

• Maximum operating pressure at P, A and B: 350 bar

• Maximum pressure at T: 210 bar

• Mounting: subplate

• Solenoid voltage options: 12, 24, 28, 48, 110, 125 and 220 VDC; AC versions are also available

• Power consumption: 8 W

• Duty cycle: 100%

• Protection: IP66/IP67 with the relevant cable gland

• Standard seal: NBR

• Optional seals: FKM (/PE), HNBR (/BT)

• Recommended viscosity: 15–100 mm²/s

• Assembly position: any position

Important ordering note

DHA-0751/2/M alone is not sufficient to identify the complete electrical configuration. The full ATOS code normally includes the voltage code and potentially additional options. ATOS's model-code documentation shows examples such as DHA-0631/2/M/7/24DC, with voltage, options and seals specified separately.

Therefore, verify the complete model number from the valve nameplate before replacement or ordering.

Explosion-Proof / Hazardous-Area Applications

The ATOS DHA family is specifically offered as an Ex-d / Ex-t explosion-proof directional valve. ATOS lists certifications including ATEX, IECEx, EAC, PESO and CCC for applicable DHA configurations. (Atos)

The ATOS documentation explains that the flameproof solenoid enclosure is designed to prevent accidental internal sparks or fire from propagating to the external environment.

This makes the DHA family relevant to applications where hydraulic equipment must operate in potentially hazardous environments.

Applications

The ATOS DHA-0751/2/M can be considered for:

• Industrial hydraulic machinery

• Manufacturing equipment

• Hydraulic power units

• Oil and gas related machinery

• Chemical/process equipment

• Mining equipment

• Hazardous-area machinery

• Marine and offshore equipment

• OEM hydraulic systems

• Automated industrial machinery

The suitability of a particular valve configuration for a hazardous area must be verified against the required area classification, gas/dust group, temperature class and certification.

Features

• ATOS direct-operated spool valve

• Explosion-proof solenoid construction

• ISO 4401 size 06 mounting

• Subplate mounting

• AC/DC solenoid configurations available

• Multiple voltage options

• M20 × 1.5 cable connection option

• Up to 70 L/min maximum flow for the DHA family

• Up to 350 bar operating pressure at P/A/B

• IP66/IP67 protection with relevant cable gland

• ATEX/IECEx and other certification options depending on configuration

• 100% duty cycle

• NBR, FKM and HNBR seal options

FAQ

What is ATOS DHA-0751/2/M?

It is an ATOS DHA-series explosion-proof, solenoid-operated hydraulic directional valve using a direct-operated spool design and ISO 4401 size 06 subplate mounting.

Is DHA-0751/2/M an explosion-proof valve?

Yes. The ATOS DHA family is designed as an Ex-d / Ex-t explosion-proof directional valve with certified configurations for hazardous-area applications. (Atos)

What does the /M mean?

For the DHA model code, M identifies an M20 × 1.5 threaded connection for the solenoid cable gland.

What is the maximum pressure?

ATOS specifies up to 350 bar at ports P, A and B for the DHA valve family, with 210 bar at port T.

What is the maximum flow?

The DHA size 06 valve has a maximum flow of 70 L/min, subject to the actual spool configuration and operating limits. (Atos)

Is 24 VDC available?

Yes. 24 VDC is one of the available voltage codes in the DHA family.

Can I replace another DHA valve with DHA-0751/2/M?

Not automatically. The complete model code, spool configuration, solenoid voltage, cable connection, certification, seals and options must be compared before replacement.

Where can I get an ATOS DHA-0751/2/M in Malaysia?

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD supplies hydraulic valves and industrial hydraulic components in Malaysia. Contact us to check availability, pricing and the correct replacement configuration.

Related ATOS DHA Models

The DHA family includes configurations such as:

• DHA-061 series

• DHA-063 series

• DHA-067 series

• DHA-070 series

• DHA-071 series

• DHA-075 series

• DHA/FI variants

• DHA variants with different spool configurations

• DHA variants with different solenoid voltage and cable-entry options (Atos)

Alternative Models

Potential alternatives should not be selected solely by model number. The following ATOS families may be considered depending on the hydraulic circuit and hazardous-area requirements:

• ATOS DHA — direct-operated explosion-proof directional valve

• ATOS DHA/FI — DHA with spool-position monitoring

• ATOS DPHA — pilot-operated explosion-proof directional valve

• ATOS DLAH/DLAHM — explosion-proof leak-free poppet valves (Atos)

Datasheet / Catalogue

The official ATOS TE140 technical table provides model coding, spool configurations, hydraulic characteristics, electrical characteristics, explosion-proof information and certification details for applicable DHA/DLAH variants.

ATOS official DHA product page

ATOS TE140 technical catalogue PDF

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ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD

ASIA-MECH HYDRO-PNEUMATIC (M) SDN BHD specializes in hydraulic valves, hydraulic pumps, hydraulic motors, cylinders, pneumatic components and industrial automation components.

TEL: 05-282 1518 / 016-550 2288
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We offer direct ordering for original genuine and aftermarket hydraulic brands, with door-to-door delivery.

Delivery throughout Malaysia: Perlis, Penang, Kedah, Perak, Pahang, Kuala Lumpur, Selangor, Melaka, Johor, Kelantan, Sabah and Sarawak.

International delivery: Malaysia, Singapore, Thailand, Indonesia, Philippines, Vietnam, Europe and worldwide.

Ordering note: Please provide a clear photo of the ATOS valve nameplate/full model code when requesting a quotation. This is particularly important for DHA valves because voltage, spool, cable connection, certification and options can change the complete ordering code.