
pH Test Strips
Macherey-Nagel test papers allow identification or semi-quantitative determination of more than 40 different substances. They give rapid results and are easy to use for an accurate on-site analysis.

Pharmaceutical and Medical Device Contamination and Materials Support
Our analytical services support pharmaceutical and medical device manufacturers through: • Raw material characterisation • Extractables and leachables testing • Chemical Characterisation (ISO 10993-18) • Corrosion and degradation analysis • Counterfeit and impurity identification • Failure and fracture investigations Our multidisciplinary teams provide rapid troubleshooting support for manufacturing challenges and regulatory investigations.

Photochemistry & Photo-Flow Reactors
Safe, effective and reproducible photochemical reactors for all of your Photochemistry requirements, based on high power LED arrays, for batch screening processes. Our range of Photochemistry tools are ultra-safe with intuitive setup for a wide variety of conditions. Designed and manufactured in the UK, they are ideal for those wishing to perform single or parallel photochemical reactions. This includes the Photochemistry in Flow solutions enabling scientists to carry out Photochemistry and Flow Chemistry simultaneously.

Pigging System Design & Engineering
HPS provides complete pigging system design and engineering services tailored to chemical and process applications. From initial feasibility and concept design through detailed engineering and system integration, we work closely with customers to develop solutions that optimise liquid transfer, maximise product recovery, and fit seamlessly into existing plant layouts. Our experienced engineers design pigging systems to suit specific process requirements, product characteristics, and operational constraints, ensuring safe, reliable performance and long-term value.

Pigging Systems for Liquid Product Recovery
HPS pigging systems provide an efficient way to recover residual liquid product from pipelines in chemical and process applications. A solid projectile (“pig”) safely pushes remaining product out of the line before cleaning or changeover, significantly reducing waste and improving yield. Pigging is widely used in industries including chemicals, personal care, coatings, adhesives, and other liquid or viscous product applications. By recovering more saleable product from every batch, HPS pigging systems help manufacturers reduce product losses, shorten changeovers, lower cleaning requirements, and improve sustainability and overall process efficiency. Visit our stand at ChemUK to learn how pigging technology optimises your liquid transfer processes and maximise product recovery.

Pilot Operated Diaphragm Type Plastic Solenoid Valve with Flow Controller (NC) – PNN Series
The UFLOW PNN Series irrigation valves provide reliable flow control along with on/off functionality, making them ideal for water distribution and irrigation systems. These valves feature an integrated flow control knob/button to adjust and regulate water flow precisely as needed. The PNN series is available in sizes from ¾″ to 2″, offering versatile options for a wide range of irrigation and fluid control applications where accurate flow modulation and dependable performance are required.

Pilot Operated Diaphragm Type Solenoid Valves (NC)- PBN Series
The UFLOW PBN series is a pilot-operated diaphragm solenoid valve designed for reliable control of air, water, steam, oil, gas, and compatible media. It is available in sizes from ⅜ inch to 2 inches and suitable for moderate pressure applications. The valve supports multiple voltage options and screwed end connections, making it ideal for general industrial use.

Pilot Operated Diaphragm Valve (Flange) – PCN Series
The PCN Series is a pilot-operated diaphragm solenoid valve for reliable control of air, water, oil, gas, chemicals, and LPG. It is available in NC/NO options with BSP, BSPT, NPT threaded or flanged connections, in sizes ½″ to 4″, and diaphragm materials including NBR rubber, EPDM, Viton, and Viton GLT for wide media and temperature compatibility.

Pilot Operated Diaphragm Valve (NC/NO) – PCN Series
The PCN Series is a pilot-operated diaphragm solenoid valve for reliable control of air, water, oil, gas, chemicals, and LPG. It is available in NC/NO options with BSP, BSPT, NPT threaded or flanged connections, in sizes ½″ to 4″, and diaphragm materials including NBR rubber, EPDM, Viton, and Viton GLT for wide media and temperature compatibility.

Pilot Operated Piston Type Steam Valve (NC/NO) HCP Series
The HCP series is available in sizes ranging from ½ inch to 2 inches. It operates at 1.5 to 12 bar for applications such as steam, hot water, and hot air. For higher pressure requirements, the HCP series supports 4 to 45 bar and is suitable for high-pressure water applications, air, oxygen, and similar media, delivering reliable performance in demanding operating conditions.

Pilot Plant

Pinch Type Solenoid Valve (NC/NO)
The UFLOW pinch type solenoid valve (Normally Closed / Normally Open) is designed for applications where the fluid contacts only the tubing, minimizing contamination and wear. It features an aluminum body with internal stainless-steel parts and is suitable for clean media such as water, food fluids, gas, medicine and petrochemicals. The valve offers 12 V DC, 24 V DC, and 230 V AC power options and is ideal for hygienic and contamination-sensitive systems where non-metal contact with the fluid is preferred.

Pipeline Pigs
HPS pipeline pigs are a core component of pigging systems, enabling efficient and reliable liquid product recovery from pipelines during transfer, changeover, or cleaning. Available in hygienic and industrial-grade materials, they are designed to suit a wide range of process applications, including aggressive, viscous, and high-value fluids, while ensuring safe operation and consistent performance.

Pipettes by IKA
IKA introduces the IKA PETTE multi, a series of mechanical air-displacement pipettes with either 8 or 12 channels for precise dispensing in microtiter or deep well plates. IKA's pipette portfolio of 24 models includes ten single-channel pipettes with fixed volumes (PETTE fix), eight with variable volumes (PETTE vario), and six models of the PETTE multi.

Pipetting Academy
ESSLAB’s popular CPD Accredited Pipetting Academy Workshops provide comprehensive training for the correct use of all types of pipettes and dispensers - to ensure accuracy of results. All academy's are CPD accredited and provide training in accordance to ISO 8655-2022 and ISO 17025 (UKAS), as required by ISO 15189 & GxP, including calibration checks and routine pipette maintenance.
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