Important Considerations for Installing Self-Relieving Steam Pressure Reducing Valves

◆ Self-Operated Steam Pressure Reducing Valve Overview:

The self-contained steam reducing valve operates without external energy, utilizing the energy of the controlled medium as its power source. It introduces an actuating mechanism to control the valve core position, thereby altering the flow area and changing the flow rate, ensuring that the pressure before or after the valve stabilizes to the set value. It features sensitive operation and minimal pressure fluctuations.

The Self-Operated Steam Pressure Reducing Valves are categorized into two types: B-type for post-pressure regulating after reduction and K-type for pre-pressure regulating before venting. The pressure range is from 15 to 3000 Kpa, compatible with various detection and actuating mechanisms. They are widely used in the automatic control of pressure reduction and stabilization in steam pipeline equipment.

◆ Self-Operated Steam Pressure Reducing Valve: Parameter Description
Valve Component Features: 1. Equipped with a bellows, featuring a pressure-balancing structure with high sensitivity.
2. Compact structure, reliable performance, and maintenance-free
3. Standard Modular Design Adopted
Valve Type: Direct-Flow
Valve Cover Styles: Standard, Radiator
Flow Characteristics: Quick-Open
Port Range: DN15-300 (1/2”-12”)
Pressure Ratings: PN1.6, 2.5, 4.0, 6.4 MPa (ANSI 150, 300LB)
Leak Class: ASME B16.104 VI (Soft Seal)
ASME B16.104 IV (Hard Seal)
Pipe Connection Methods: Flanged, Welded, Threaded
Setpoint Deviation: ±8%
Temperature Range: -30° to 350°

Actuator Type: Film-type Actuator (Self-contained)
Piston-type actuator (self-contained)
Bendable Tube Actuator (Self-contained)