Pressure & Temperature
Use the applicable material and temperature rating for the selected model.
ALFACOM ENGINEERING LTD.
Valve selection for piping specifications requiring Class 800. Class is a pressure-temperature designation; it is not a fixed allowable working pressure. Confirm the rating for the actual material, temperature and applicable model standard.
Class 800 Valves · Illustrative catalogue image
THE PRODUCT RANGE
Explore the equipment and selection topics below, then review the detailed catalogue for the selected product.
English product details and the corresponding technical PDFs are provided below.
Use the applicable material and temperature rating for the selected model.
Match body and trim materials and end connections to the piping specification.
Explore the listed API 602 gate valve family and confirm the required rating and configuration.
The forged-steel gate-valve catalogue describes outside-screw-and-yoke construction, an integral backseat and full or conventional port options. Bolted, welded and pressure-seal bonnet arrangements are presented for applicable variants.
The catalogue includes socket-weld ends to ASME B16.11 and NPT screwed ends to ASME B1.20.1. Confirm the exact end connection, body and trim materials, pressure class, size and bonnet design for the ordered valve.
Class 800 is a pressure-class designation, not a constant operating pressure of 800 bar or 800 PSI. Determine allowable service conditions from the selected material and applicable pressure-temperature rating. Send process conditions and connection details for selection support.
APPLICATION BEFORE SPECIFICATION
Provide the piping specification, fluid, design and operating pressure and temperature, size, end connections, material grade and required documents. Check the model rating and dimensional drawing before ordering.
Review the model-specific technical information and installation requirements. Send a specification, drawing or existing model reference if you need help selecting equipment.
Send your requirements or a photo of the existing equipment for technical assistance and a quotation.
Availability and lead time are confirmed for the requested model and quantity.