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Key Features

✓ WRAS Approved Modulating Ball Valve
✓ WRAS Approval 251015016
✓ 2" BSP Full Bore Stainless Steel Valve
✓ 304 Stainless Steel Construction
✓ 50mm Full Bore – 0–10 Bar
✓ 4–20mA Modulating Control Standard
✓ Optional 0–5V or 0–10V Control
✓ 4–20mA Valve Position Feedback
✓ Optional 1–5V Input/Output Version
✓ NPN Actuator Fault-Status Output
✓ Optional Failsafe Return on Power Loss
✓ 4–20mA Failsafe Version Stocked
✓ 75-Step Valve Positioning – 1.2°
✓ 12–24V DC Electric Actuator
✓ IP67 Weather-Resistant Enclosure
✓ 16–27 Nm Actuator Torque
✓ 12-Second Full Valve Operation
✓ WRAS Approved PTFE + EPDM Seals
✓ Ideal for PLC, BMS & Water Treatment
✓ Free Next Day UK Delivery

Datasheets

Description

2" WRAS Stainless Steel Modulating Ball Valve – ABV20S/9M


The ABV20S/9M Series 2" WRAS stainless steel motorised ball valve provides proportional flow control for potable water, HVAC, water treatment and industrial process applications.

Combining a full-bore 50mm SS304 stainless steel valve with WRAS approved PTFE/EPDM seals and a compact IP67 electric actuator, it offers accurate valve positioning for automated water control systems.

Featuring 4–20mA modulating control as standard, with optional 0–5V or 0–10V inputs, all three configurations provide 4–20mA analogue position feedback. NPN fault monitoring, manual override and supercapacitor failsafe options are available.

Valve Specifications

Valve Type: 2/2 Way proportional modulating stainless steel ball valve
Port Size: 2" BSP Female
Valve Bore: 50mm – Full Bore
Optional Connection: 2" NPT Female
Operating Pressure: 0–10 bar
Body, Ball & Stem: SS304 Stainless Steel
Valve Seats: PTFE
Seals: EPDM
Media Temperature: 0°C to +90°C
Ambient Temperature: -15°C to +60°C
Suitable Media: Potable water, clean water, process water and compatible industrial liquids
Mounting: Any orientation except actuator inverted
Actuator Interface: ISO 5211 F03 / F05
WRAS Approval Reference: 251015016
Media compatibility and potable water approval conditions must be checked against the selected valve configuration.

Electric Actuator Specifications

Actuator Type: Proportional modulating electric actuator
Supply Voltage: 12–24V DC
Protection Rating: IP67
Output Torque: 16–27 Nm
Power Consumption: Approximately 10 Watts
Operating Time: Approximately 12 seconds / 90°
Position Resolution: 75 steps (1.2° nominal)
Duty Cycle: 100% continuous
Manufacturer-Rated Life: 70,000 operations
Manual Override: Allen key
Position Indicator: Yes
Electrical Cable: 0.5 metre standard, optional 3 metres

Modulating Control & Position Feedback

The ABV/9M actuator provides proportional valve positioning across its 90° operating range, with 4–20mA analogue feedback available for all three control inputs.

Control Input / Position Feedback:
  • 4–20mA / 4–20mA – Standard
  • 0–5V / 4–20mA – Optional
  • 0–10V / 4–20mA – Optional
  • 1–5V / 1–5V – Special order
Position feedback allows compatible PLC, BMS and industrial control systems to monitor actuator position independently of the selected control input.
Actual flow rate depends on valve position, pressure differential and the valve's inherent flow characteristics. Actuator position is not necessarily proportional to flow rate.

Electrical Wiring & NPN Fault Output


Power Supply:
  • RED – Positive 12–24V DC
  • BLACK – Negative DC supply

Modulating Control:
  • GREEN – Positive analogue control input
  • BLUE – Signal common

Position Feedback:
  • WHITE – Positive analogue feedback output
  • BLUE – Signal common

NPN Fault Status – YELLOW Wire:
  • Normal: NPN ON – Connected to BLACK (0V)
  • Fault / blockage: NPN OFF – Open circuit
  • Maximum Switching Voltage: 25V DC
  • Maximum Switching Current: 100mA
The NPN output provides a separate fault indication for compatible PLC and BMS monitoring circuits. It is a switching output, not an analogue signal or positive-voltage supply.

Optional Failsafe Return – ABV20S/9MAR

The optional ABV/9MAR supercapacitor-powered failsafe actuator automatically returns the valve to its specified safe position following loss of electrical power.

Available Failsafe Configurations:
  • 4–20mA input / 4–20mA feedback – Standard stocked
  • 0–10V input / 4–20mA feedback – Available
  • 0–5V input / 4–20mA feedback – Available on request

Failsafe Features:
✓ Automatic return to a predetermined valve position
✓ 4–20mA analogue position feedback
✓ NPN fault output rated 25V DC / 100mA maximum
✓ Approximately 1.5–2 minutes capacitor recharge time with power applied
The required failsafe position must be specified when ordering. Repeated power interruptions before recharge is complete may prevent another full failsafe operation.
Failsafe operation is optional and is not included with the standard ABV20S/9M.

WRAS Approval & Applications

WRAS Approval Reference: 251015016
The SS304 stainless steel valve incorporates PTFE and EPDM sealing materials for potable water applications. 

Typical Applications:
✓ Potable Water Distribution
✓ Building Management Systems (BMS)
✓ PLC-Controlled Automation
✓ Water Treatment & Booster Systems
✓ HVAC Water Circulation
✓ Commercial Water Supply
✓ Proportional Flow Regulation
✓ Industrial Process Water
✓ OEM Equipment & Control Panels

Why Choose the ABV20S/9M?

The ABV20S/9M combines WRAS approved stainless steel valve construction with accurate proportional positioning, analogue feedback and integrated fault monitoring.

Key Advantages:
✓ 2" BSP SS304 Stainless Steel Full Bore Valve
✓ WRAS Approved Configurations for Potable Water
✓ 50mm Full Bore
✓ 4–20mA, 0–5V or 0–10V Control Inputs
✓ 4–20mA Feedback With All Three Inputs
✓ Optional Matched 1–5V Input/Output
✓ NPN Fault Output – 25V DC / 100mA Maximum
✓ 75-Step Proportional Positioning
✓ IP67 Protection & 12–24V DC Supply
✓ 100% Continuous Duty
✓ Manual Override & Position Indicator
✓ Optional Supercapacitor Failsafe Return
✓ Free Next Working Day UK Delivery

Related Products & Categories






View Technical Specification

Technical Specification

Brand: Connexion

Model: ABV20S/9M

Width: 88.00 mm

Height: 185.00 mm

Depth: 130.00 mm

Weight: 2.80 kg

Valve / Product Type: Ball Valve, Motor Actuated Valves, Proportional / Modulating, Safety Shut Off

Body Material: Stainless Steel

Voltage: 12vDC, 24vDC

Port Size: 2 thread

Function: 2/2 Failsafe Closed, 2/2 Failsafe Open, Proportional / Modulating

Operation: Direct Acting from 0 Pressure

Pressure: 0.02 Bar (20 mBar), 0.1 Bar (100 mBar), 0.2 Bar (200 mBar), 0.3 Bar (300 mBar), 0.4 Bar (400 mBar), 0.5 Bar (500 mBar), 0.6 Bar (600 mbar), 0.7 Bar (700 mBar), 0.8 Bar (800 mBar), 1 Bar, 1.2 Bar, 1.3 Bar, 1.4 Bar, 1.5 Bar, 1.6 Bar, 2 Bar, 2.5 Bar, 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar, 6.5 Bar, 7 Bar, 7.5 Bar, 8 Bar, 8.5 Bar, 9 Bar, 10 Bar

Seals: EPDM

Approvals:: IP67, WRAS

Media: Water, Water (RO/Pure/Demin)

Options required: Anti Water Hammer, Bi-Directional Flow, Flow Control, Manual Override, Position Feedback Closed, Position Feedback Open+Closed, Position indication Visual

Orifice: 50mm

Found in these Categories

2" WRAS Stainless Steel Motorised Ball Valve – Modulating

£309.56 incl. VAT £257.97 ex. VAT

-35% Was £476.26 incl. VAT
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Brand: Connexion

Model: ABV20S/9M

Stock: 62 in stock

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