Application
Single seated control or shutoff valve for: Hot water,Chilled water,Domestic Hot Water
Steam.
To be operated by
Electric Linear Actuators as PRVAR10
Features
Bronze body with BSPT-threaded connections.
High close-off pressure rating, couple with 600Nm
actuator
Low seat leakage rate (0.05 percent of Kvs).
Spring-loaded, self-adjusting packing.
Accurate positioning to ensure state of the art
temperature control.
Sizes range from DN65…DN80.
Specifications
Action: Stem down to close
Nominal pressure rating: PN16
Flow characteristic: See Fig. 2
Equal percentage
Rangeability: 50:1
Leakage rate: 0.05% of kvs
Stroke: 20 mm
Valve body:
Pipe connections: Internal BSPT-threaded
Material: Bronze
Dimensions: See Fig. 1
Trim:
Seat: Bronze
Plug: Stainless Steel, Replaceable
Stem: Stainless Steel
Packing: Spring loaded PTFE V-rings
Medium temperature and
pressure:
Water & Steam
2 to 120 °C max. 1495 kPa
120 to 180 °C max. 1100 kPa
Installation
Water should meet VDI2035 requirements.
Do not install valve with stem below the horizontal.
Fluid flow must correspond with the arrow direction on the
valve body.
The installation of a strainer is strongly recommended.