BVT-TBG Steam Conditioning valve
Product Description
BVT-TBG steam conditioning valve
The BVT-TBG is a globe-style steam conditioning valve, used for both process and turbine bypass applications. It is designed to reduce temperature and pressure of steam to match downstream requirements. Pressure is controlled using a proven trim technology which reveals a series of perforations in the valve cage as the plug moves. The balanced valve plug design is optimized for low actuating forces, allowing for smaller and pneumatic actuators. Control of temperature takes place in the outlet, where spring-loaded spray water atomizing nozzle(s) are installed perpendicular to the steam flow. The selection, placement and design of these is chosen to match the desuperheating requirements of the system as well as reducing risk of free water being injected into the downstream piping.
Key features
- Fully customizable inlet, outlet connections
- Complies with the following standards: ASME, EN, PED
- High shut-off class
- Great rangeability
- Balanced plug design requires smaller actuating forces, and so allows for smaller and pneumatic actuators
- Easily exchangeable seat as option for further reduced maintenance downtime
- Optimized packing design
- Erosion resistant design
- Spring loaded nozzles designed to avoid thermal stress in outlet pipe, and are quickly and easily maintained
Specifications
Valve sizes
Up to 14″
Pressure class
Up to ANSI 600 (higher rating on request)
Design temperature
Up to 580 ºC
Leakage class
ANSI Class III, IV, V
Rangeability
Up to 25:1 for the complete valve
Regulatory requirements
ASME, PED, IBR, CRN, GOST, ISO 9001/14001
Materials
WCB, WC6, WC9
Actuation
Pneumatic, hydraulic or electrical
Options
- Quick change type seat
- Erosion resistant trim with long cage
- Live load gland seal packings
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