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OptiValve Plus BS F4 & F5 Wastewater gate valve with actuator

OptiValve Plus F4 & F5: Precision-Engineered with Advanced Actuation for Peak Performance and Minimal Maintenance of your wastewater systems

DSC 1110 temp

Face to Face in accordance to

BS 5163 (EN 558-1 Series 3)

Maximum Working Pressure PFA

16 bar / PN16

Working temperature

Maximum +70°C

Construction Compliance

BS 5163-1, DIN 3352 part 1&4, EN 1171 Cat 4, EN 1074-1&2


WRAS, BSI Kitemark, DVGW

Flange Type

EN 1092-2 PN16

Connector Type

B3 Accordance to EN ISO 5210


250μm FBE coating, external and internal


Full traceability with bar-code


Installation for water, potable water and other inert fluids for flow closing


Multi-turn Actuators AUMA series SA/R

Discover the OptiValve Plus F4 & F5 – our premier water gate valves now enhanced with superior actuation for seamless operational excellence.

Ideally suited for potable water and wastewater pipelines, our F4 and F5 OptiValve stand out for their robustness and user-friendly design. Crafted with a 2-part casting and featuring an EPDM encapsulated patented double-seated integral ductile iron wedge-shaped gate, these valves ensure optimum leak-tightness, setting new standards for wastewater applications.

Superior Sealing Technology

Patented Double-Seated Wedge:
Discover unparalleled sealing efficiency with our patented double-seated integral ductile iron wedge, fully encased in EPDM for absolute leak prevention.

Effortless Operation

Optimised Closing Torque: Experience smooth operation with our valve's very low closing torque, designed with patented guiding for a seamless, easy turn every time

Maintenance Made Easy

Replaceable Stem Seals:Engineered for longevity, our valve features three fully replaceable stem seals, ensuring maintenance is straightforward without compromising on performance.

Innovative Seal Integration

Patented Primary Seal Design: Our innovative primary seal, integrated within the wedge, ensures a leak-tight seal even when the valve is fully open, setting a new standard for reliability.

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A Nationwide Distribution Network

Since 1969 we have developed and manufactured innovative plastic pipeline solutions for the gas industry and these solutions are now commonly used in the water, wastewater, energy & power, district heating and telecoms sectors.