| Customization: | Available |
|---|---|
| Media: | Chemical |
| Temperature: | Ordinary Temperature |
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External Chemical Hydraulic Valve (Steam Jacketed)
External Chemical Hydraulic Valve with steam jacket body is classified as an external self-closing stop valve and is widely used on DOT407 and 412 cargo tanks. This is a robust and proven valve that satisfies the many requirements of the chemical transportation industry. The steam jacket body includes two ¾" NPT fittings and allows for the valve to be heated for use with temperature sensitive products. The 316-stainless body and replaceable PTFE™ seal make this valve a versatile and reliable workhorse for any fleet.
This valve does NOT include a sacrificial shear section; therefore, the cargo tank must have adequate accident damage protection to shield the valve as specified in 49CFR §178.345-8.
The hydraulic actuator has a ¼" NPT inlet port and is specifically designed to completely isolate hydraulic fluid from cargo tank and piping. Hydraulic leaks are contained in the piston cylinder and will drain to the exterior of the valve through the indicator weep holes as an alert for repair.
Two indicator pins are located on the bottom of the piston cylinder and move in relation to the disc. The pins can be used as a push point to manually jack open the valve.
| Valve MAWP | 50 psi [3.4 bar] |
| Min. bursting pressure | 200 psi [13.8 bar] |
| Working temperature range | -40°F to 400°F [-40°C to 204°C] |
| Max. steam jacket pressure | 150 psi [10.3 bar] |
| Hydraulic line pressure | Minimum 1,500 psi [103 bar] Maximum 3,500 psi [241 bar] |
| Hyd. volume to fully open valve | 1.22 in3 [20 ml] |
1) Flexible action, reliable function, low impact and vibration during operation, low noise, and long service life.2) When the fluid passes through the hydraulic valve, the pressure loss is small; When the valve port is closed, the sealing performance is good, the internal leakage is small, and there is no external leakage.3) The controlled parameters (pressure or flow rate) are stable and have little variation when subjected to external interference.4) Compact structure, convenient installation, debugging, use, and maintenance, and good universality
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