Pressure
Diaphragm Seals
Standard Diaphragm Seal, Bolted Construction – PN 40
- For fitting to Gauges, Switches or Transmitters
- High-quality product made in UK/EU
- Bolted construction
- Threaded or flanged process connection
- Direct or remote via armored capillary
- Reliable, well-made, and robust
- Suitable for many applications
- Different materials and wetted parts are available
SKU: MDM 7210
Description
Elevate your precision instrumentation with our Standard Diaphragm Seal, Bolted Construction, PN 40 (Optional PN 100). As an authorized distributor specializing in pressure gauges and temperature measurement, we present a product that embodies quality, reliability, and adaptability.
Key Features
Versatile Bolted Construction: The bolted construction allows seamless integration with different materials and diverse process connections, ensuring adaptability to your specific needs.
Wide Range of Applications: This design caters to many applications, making it a versatile solution across various industries.
Flexible Mounting Options: Whether you mount it directly or remotely via an armored capillary, our diaphragm seal provides installation flexibility, adapting to your unique requirements.
Precision for Gauges, Switches, or Transmitters: Specifically designed for use with Pressure Gauges, Pressure Switches, or Pressure Transmitters, our diaphragm seal ensures accurate and reliable measurements.
High-Quality Craftsmanship: Originating from the UK/EU, our product is synonymous with high-quality craftsmanship, ensuring a reliable and durable solution for your pressure measurement needs.
Adaptable Process Connections: Available in different materials and offering both male thread and open flange designs, our diaphragm seal provides options for various process connections, enhancing its versatility.
Robust Reliability: With a rugged bolted construction, our diaphragm seal stands the test of time, guaranteeing longevity and dependability in demanding industrial environments.
Customizable Fluid Filling: Tailor the diaphragm seal to your application by filling it with different fluids, ensuring optimal performance in diverse operating conditions.
Applications
General Industrial: Our Standard Diaphragm Seal’s versatile bolted construction and robust reliability ensure precise pressure measurement, a critical factor in maintaining operational efficiency.
Chemical & Petrochemical: With adaptable process connections and customizable fluid filling options, our diaphragm seal offers unparalleled accuracy in corrosive environments, crucial for chemical and petrochemical processes.
Process Plants: The diaphragm seal’s high-quality craftsmanship and flexible mounting options guarantee accurate readings, contributing to seamless operations within diverse process plants.
Pharmaceutical: Designed for precision, our diaphragm seal, with male thread or flange connection options, provides a sanitary and reliable solution, meeting the stringent requirements of the pharmaceutical industry.
Oil and Gas: In the challenging conditions of the oil and gas sector, our diaphragm seal’s durable bolted construction and adaptability to different materials ensure trustworthy pressure measurement, which is crucial for safety and efficiency.
Shipping: Our diaphragm seal, suitable for direct or remote mounting via an armored capillary, is an essential component for accurate pressure readings in marine applications, contributing to the safety and reliability of shipping operations.
Power Generation: With a focus on reliability and precision, our diaphragm seal, made in the UK/EU, ensures accurate pressure measurements, playing a vital role in optimizing performance and efficiency in power generation processes.
Experience precision, reliability, and adaptability in pressure measurement. Choose our Standard Diaphragm Seal for a solution that surpasses industry standards.
Contact us now to enhance your measurement capabilities and elevate your instrumentation reliability.
Related Products

100mm (4″) Diaphragm Pressure Gauge
Precision meets resilience in our 100mm Diaphragm Pressure Gauges—EN837 Class 1.6, all-stainless steel construction, customizable options. Ideal for industrial, chemical, food, pharmaceutical, oil, shipping, and power applications.

100mm (4″) Absolute Pressure Gauge
Precision APG with EN837 Class 1.6, 316SS parts. Versatile for industrial needs. Dry or glycerine-filled, DIN case. Ideal for pharmaceutical, sterile processes, and food industry. 0-2500mbar range.

100mm (4″) Safety Pattern Diaphragm Pressure Gauge
100mm Safety Pattern Diaphragm Pressure Gauge series: EN837 Class 1.6, all-stainless steel construction, versatile 0-40bar range. Resilient in aggressive environments. Adapt with electric contacts or e-Gauge for enhanced functionality.

100mm (4″) FDA Compliant ‘Dry’ Diaphragm Pressure Gauge
EN837 Class 1.6-certified PCh 100-3 DG offers precision in diverse industries. Its stainless steel FDA compliance and ‘Dry’ Diaphragm design ensure durability, making it indispensable for various industry applications.