Final Control
Fisher™ Type 630R Relief Valve
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Fisher™ Type 630R Relief Valve
The 630R is a relief valve for gas backpressure control. Low‑pressure units give accurate control. High‑pressure units handle up to 550 psi.
Type 630R is a general relief valve available in NPS 1 & 2 / DN 25 & 50 body sizes for compressor stations, refineries and similar plants requiring backpressure gas regulation settings up to 250psi/7,2bar. Available in high & low pressure constructions. Low pressure units have larger diaphragm areas to provide accurate control in low pressure settings. High-pressure units can withstand inlet pressure up to 550psi/37,9bar and can control pressures up to 250 psi/17,2bar.
Key Features
- Tight Shutoff
- Easy Maintenance
- Ease of Use
- Interchangeability
- Sour Gas Service Compatibility
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