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Control Valve

A7MD Pump Control Valve – Passive Protection

Name: A7MD Pump Control Valve – Passive Protection
Brand: Euro Flow Control
SKU: EFC-364
Availability: InStock

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Supplier product page ↗EFC datasheet PDF ↗supplier: afc · ref: 364

Specifications

Confirmed at quote

Size Range: DN50–DN400
Pressure Class: PN16 / PN25
Standards: EN 1074-5
End connection: Flanged PN16/PN25

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN300 DN350 DN400

Available pressure classes

Pressure classes this product is rated to.

PN16 PN25

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

Body

Pressure-temperature rating

Maximum working pressure at each temperature, per pressure class.

Class	Temperature	Max pressure
PN10	10°C	10 bar
PN16	10°C	16 bar
PN25	10°C	25 bar
PN10	80°C	10 bar
PN16	80°C	16 bar
PN25	80°C	25 bar

Dimensions per size(16 sizes)

Size	L	H	OD_PN10	OD_PN16	OD_PN25	OK_PN10	OK_PN16	OK_PN25	OB_PN10	OB_PN16	OB_PN25	Weight
DN50	230 mm	169 mm	165 mm	165 mm	165 mm	125 mm	125 mm	125 mm	99 mm	99 mm	99 mm	—
DN65	290 mm	189 mm	185 mm	185 mm	185 mm	145 mm	145 mm	145 mm	118 mm	118 mm	118 mm	—
DN80	310 mm	209 mm	200 mm	200 mm	200 mm	160 mm	160 mm	160 mm	132 mm	132 mm	132 mm	—
DN100	350 mm	244 mm	220 mm	220 mm	235 mm	180 mm	180 mm	190 mm	156 mm	156 mm	156 mm	—
DN125	400 mm	309 mm	250 mm	250 mm	270 mm	210 mm	210 mm	220 mm	156 mm	156 mm	156 mm	—
DN150	480 mm	368 mm	285 mm	285 mm	300 mm	240 mm	240 mm	250 mm	211 mm	211 mm	211 mm	—
DN200	600 mm	442 mm	340 mm	340 mm	360 mm	295 mm	295 mm	310 mm	266 mm	266 mm	274 mm	—
DN250	730 mm	526 mm	405 mm	405 mm	425 mm	350 mm	355 mm	370 mm	319 mm	319 mm	330 mm	—
DN300	850 mm	586 mm	460 mm	460 mm	485 mm	400 mm	410 mm	430 mm	370 mm	370 mm	389 mm	—
DN350	980 mm	656 mm	520 mm	520 mm	555 mm	460 mm	470 mm	490 mm	429 mm	429 mm	448 mm	—
DN400	1100 mm	770 mm	580 mm	580 mm	620 mm	515 mm	525 mm	550 mm	480 mm	480 mm	503 mm	—
DN450	1200 mm	780 mm	640 mm	640 mm	670 mm	565 mm	585 mm	600 mm	530 mm	548 mm	548 mm	—
DN500	1250 mm	890 mm	715 mm	715 mm	730 mm	620 mm	650 mm	660 mm	582 mm	609 mm	609 mm	—
DN600	1450 mm	1050 mm	840 mm	840 mm	845 mm	725 mm	770 mm	770 mm	682 mm	720 mm	720 mm	—
DN700	1650 mm	1185 mm	910 mm	910 mm	960 mm	840 mm	840 mm	875 mm	682 mm	720 mm	720 mm	—
DN800	1850 mm	1310 mm	1025 mm	1025 mm	1085 mm	950 mm	950 mm	990 mm	901 mm	901 mm	928 mm	—

Approvals

ISO 9001

Features

The A7MD is a pump control valve with an integrated manual override facility and delayed closing function
The manual override allows the valve to be held open or closed independently of pump operation for commissioning, testing and maintenance
The delayed closing timer extends the valve closing time on pump trip, allowing the hydraulic transient to decay before the valve seats, minimising water hammer on long rising mains

Description

The A7MD is a passive pump protection configuration of the A900 main valve body. The hydraulic control circuit slows the valve closing rate on pump stop, preventing the pressure surge associated with rapid check valve slam without requiring a separate power supply or active control system. Closing rate is tuned via needle valves in the pilot circuit. The passive design is inherently fail-safe and suitable for remote or unmanned pump stations.

Smart find

A900 configurations

View full A900 system →

This product is part of the A900 modular system. All configurations share the same hydraulically operated body: the control function is set by the pilot valve(s) attached. An existing A900 body in the field can be reconfigured for a different duty simply by swapping the pilot, without replacing the body.

A100 Modulating Float Control Valve

DN50–DN300

A200 Pressure Reducing Valve

DN50–DN600

A203 Pressure Reducing with Check Valve

DN50–DN600

A300 Slow Control Check Valve

DN50–DN600

A400 Flow Control Valve

DN50–DN400

A500 Pressure Relief / Sustaining Valve

DN50–DN600

A600 Solenoid Control Valve

DN50–DN300

A76D Pump Control Valve – Double Chamber

DN50–DN600

A900 Automatic Control Valve (Main Valve)

DN50–DN600

A10A Altitude Control Valve

DN50–DN300

A10B Bi-Level Float Control Valve

DN50–DN300

A14A Altitude with Rate of Flow Control Valve

DN50–DN300

A204 Pressure Reducing Valve with Flow Limiter

DN50–DN400

A205 Pressure Sustaining and Reducing Valve

DN50–DN400

A206 Pressure Reducing Solenoid Control Valve

DN50–DN400

A20B Pressure Reducing Valve – High Flow

DN200–DN600

A2A5 Surge Anticipating Control Valve

DN50–DN400

A506 Pressure Sustaining Valve with Solenoid Control

DN50–DN400

A6DV Dual Solenoid Control Valve

DN50–DN300

A800 Pressure Differential Valve

DN50–DN300

A900 Automatic Control Valve – Threaded

DN15–DN50

R900 Main Valve – Reduced Bore

DN50–DN400

Pilot assembly & accessories

Compatible accessories

Needle Valve

Adjusts response speed and damps oscillation in the pilot circuit

Related Control Valves

Control ValveREF 344

A100 Modulating Float Control Valve

Model: —
Size: DN50–DN300
Pressure: PN16
Body: Ductile iron
Standards: EN 1074-5

DEBUG View on supplier site ↗

Add variant details

Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.

Control ValveREF 345

A200 Pressure Reducing Valve

Model: —
Size: DN50–DN600
Pressure: PN16 / PN25
Body: Ductile iron
Standards: EN 1074-5

DEBUG View on supplier site ↗

Add variant details

Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.

Control ValveREF 346

A203 Pressure Reducing with Check Valve

Model: —
Size: DN50–DN600
Pressure: PN16
Body: Ductile iron
Standards: EN 1074-5

DEBUG View on supplier site ↗

Add variant details

Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.

Control ValveREF 347

A300 Slow Control Check Valve

Model: —
Size: DN50–DN600
Pressure: PN16 / PN25
Body: Ductile iron
Standards: EN 1074-5

DEBUG View on supplier site ↗

Add variant details

Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.