Introducing Our Versatile Style P Sight Glass

John Moncrieff Ltd presents the Style P Sight Glass — a precision-engineered solution for reliable liquid monitoring and inspection in pipelines and process systems. Designed and manufactured in the UK, this versatile sight glass combines high visibility, mechanical durability, and regulatory compliance to deliver dependable performance across multiple industries.

Key Features

• Versatile Connections: Available with screwed or flanged ends to integrate easily into new or existing systems.
• Robust Construction: Built from premium materials for long service life and reliable operation.
• Safety & Compliance: CE marked and fully PED compliant to meet stringent European safety standards.
• Temperature & Pressure Resistance: Capable of withstanding harsh operating environments with elevated temperatures and pressures.
• Efficient Delivery: Fast lead times for convenient installation and system commissioning.
• British Quality: Designed and manufactured in the UK — ensuring exceptional build quality and traceability.

Applications

The Style P Sight Glass is ideal for visually monitoring intermittent flow, partially filled lines, or liquids with entrained air. Commonly deployed across sectors such as:

• Chemical processing and refining
• Oil & gas systems
• Pharmaceutical and biotechnology manufacturing
• Food & beverage production facilities

Construction

• Body: Carbon steel, 316 stainless steel, or LG2 gunmetal — other materials available on request.
• Glass: Toughened soda-lime or borosilicate glass, secured by stainless-steel covers and fasteners, sealed with PTFE gaskets.
• Gaskets: PTFE standard; graphite gaskets available for high-temperature or aggressive chemical service.
• Fasteners: Stainless steel or A4 stainless steel options for enhanced corrosion resistance.

Customisation Options

• Body Materials: Super duplex, Hastelloy, or low-carbon steel variants available. PFA-lined interiors for highly corrosive applications.
• Glass Selection: Toughened soda-lime or borosilicate with variable pressure ratings and viewing diameters.
• Gaskets: Graphite gaskets available for elevated-temperature or chemical-duty use.
• Fasteners: A4 stainless steel fasteners for marine or high-corrosion environments.

Quality Assurance

• ISO 9001 Certified: Quality management system independently audited by BSI, ensuring continuous improvement and compliance.
• PED Compliance: Fully PED compliant and CE marked where required.
• Material Traceability: Complete traceability and certification supplied with all components upon request.

Combining visibility, strength, and engineering precision, the Style P Sight Glass exemplifies John Moncrieff Ltd’s commitment to high-quality process monitoring equipment — trusted globally for accuracy, safety, and durability.