Specifications

仕様一覧表

How to Read the Specification Sheet

※ Items marked with ○ are mandatory. Item Descriptions
Operating Conditions ○ Normal (Operating) Pressure (MPaG) Please specify the normal operating pressure.
○ Vacuum Conditions (Yes / No) If applicable, please specify the pressure range and cycle.
○ Back Pressure (Yes / No) If applicable, please indicate whether constant pressure is applied.
○ Pressure Pulsation (Yes / No) If applicable, please specify the pressure range and cycle.
Normal (Operating) Temperature (°C) Please specify the operating temperature.
○ Temperature Cycles (Yes / No) If applicable, please specify the temperature range and cycle.
○ Process Fluid Please specify whether the fluid is gas or liquid.
Molecular Weight or Specific Gravity
Required Discharge Capacity (kg/h)
k Value / P2/P1 Ratio / Compressibility Factor
Applicable Codes and Standards Pressure Vessel Construction Code
High Pressure Gas Safety Act
Others
Disk ○ Size (Nominal Diameter)
○ Burst (Set) Pressure (MPaG) Please specify the pressure at which the rupture disk operates.
Tolerance (MPa)
○ Burst (Set) Temperature (°C) Please specify the temperature at which the rupture disk operates.
Material Disk
Surface Treatment
○ Quantity Standard quantity is 4 units; single unit orders are also accepted.
Holder ○ Size (Nominal Diameter)
○ Connection Standard (JIS, ANSI, JPI, API, etc.) Custom configurations are available.
Please feel free to contact us.
Upstream Holder Material
Surface Treatment
Connection Type (RF, FF, R, Rc, VCR, etc.) Custom configurations are available.
Please feel free to contact us.
Downstream Holder Material
Surface Treatment
Connection Type (RF, FF, R, Rc, VCR, etc.) Custom configurations are available.
Please feel free to contact us.
Options Excess Flow Valve If necessary, please specify the desired material.
Stud Bolts and Nuts If necessary, please specify the desired material.
Gasket If necessary, please specify the desired material.
○ Quantity
○ Installation Please specify: disk installed horizontally in vertical piping, or vertically in horizontal piping.
○ Gasket type between rupture disk holder and flange If not specified, we will propose a recommended gasket.
○ Application (purpose, operating environment, etc.) We will propose the optimal rupture disk for your application.