Pressure Relief Irrigation Control Head
We have been developing proven hydraulic control valves for irrigation projects and systems. With the widest range of innovative products for field and greenhouse agriculture, we offer customers advanced control solutions specially created for irrigation – from water source to the emitters: drip, sprinkler, micro-jet and pivot.
Quick Pressure Relief Valve IR-43Q-R
The Quick Pressure Relief Valve is a hydraulically operated, diaphragm actuated control valve that relieves excessive line pressure when it rises above the preset maximum. It responds to a rise in system pressure immediately, accurately and with high repeatability, by opening fully. The Model IR-43Q-R provides smooth drip tight closing.

PRODUCT FEATURES & BENEFITS:
- Hydraulic Pressure Control
-Line pressure driven
-Long term drip tight sealing
-Long term setting stability
-Wide setting range
-Tight setting window with minimal hysteresis
- Advanced Globe Hydro-Efficient Design
-Unobstructed flow path
-Single moving part
-High flow capacity
- Fully Supported & Balanced Diaphragm
-Requires low opening and actuation pressure
-Progressively restrains valve closing
-Prevents diaphragm distortion
-Excellent low-flow regulation performance
- User-Friendly Design
-Easy pressure setting
-Simple in-line inspection and service

Quick Pressure Relief Valve IR-43Q-R
The Quick Pressure Relief Valve is a hydraulically operated, diaphragm actuated control valve that relieves excessive line pressure when it rises above the preset maximum. It responds to rises in system pressure immediately, accurately and with high repeatability, by opening fully. The Model IR-13Q provides smooth drip tight closing.
PRODUCT FEATURES & BENEFITS:
- Hydraulic Pressure Control
-Line pressure driven
-Long term drip tight sealing
-Long term setting stability
-Wide setting range
-Tight setting window with minimal hysteresis
- Engineered Plastic Valve with Industrial Grade Design
-Adaptable on-site to a wide range of end connection sizes and types
-Articulated flange connections eliminate mechanical and hydraulic stresses
-Highly durable, chemical and cavitation resistant
- hYflow ‘Y’ Valve Body with “Look Through” Design
-Ultra-high flow capacity – Low pressure loss
- Unitized Flexible Super Travel (FST) Diaphragm and a Guided Plug
-Accurate and stable regulation with smooth closing
-Requires low opening and actuation pressure
-Prevents diaphragm erosion and distortion
- User-Friendly Design
-Easy pressure setting
-Simple in-line inspection and service