Specifications:
The CP 93625 is a 25 mm nominal bore piped discharge safety relief valve designed for cryogenic service. It is PED and TÜV approved, with a pressure range from 0.30 bar g. (4.35 psi g.) to 20.00 bar g. (290.00 psi g.) and a temperature range of -196 °C to 50 °C. The flow area is 490.87 mm², with inlet connections ranging from 1 1/4" to 2" BSP, BSPT, NPT, and outlet connections of 2" BSP, NPT. The 'O' ring material is Viton®.

Materials:
The valve components are made from various materials, including brass and stainless steel, with specific parts such as the inlet seat, body, disc, and others detailed in the document.

Approvals and Standards:
The valve is approved by TÜV Germany (AD-Merkblatt A2) and complies with BS EN ISO 4126-1 and PED 97/23/EC standards. It operates stably on flows down to 50% of the valve's rated capacity.

Operational Notes:
The maximum permissible built-up back pressure is 10% of the set pressure. The relieving pressure is the set pressure plus 10%, and the reseating pressure is the set pressure minus 10%.

Contact Information:
For assistance in sizing a valve to specific requirements, contact Seetru Limited at Albion Dockside Works, Bristol, England. Phone: +44 (0) 117 927 9204, Fax: +44 (0) 117 929 8193, Email: [email protected], Website: www.seetru.co.uk.

Performance Data:
The document includes a graph showing the discharge capacity of gas in kg/hour, scfm, and litres/sec against pressure in bar g.