M 7421
Features
• Bronze body with BSPT-threaded end connections.
• 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 rang from 1 in. to 2 in.
• Valve designs provide equal percentage flow characteristic for water and linear flow characteristic for steam.
• Stainless steel stem and metal-to metal seats.
Specifications
Action: Stem down to close
Nominal pressure rating: 20 bar (300 psi) for water
12 bar (185 psi) for steam
Flow characteristic:
Water
steam
See Fig. 2
Equal percentage (V5011P1XXX)
Linear (V5011P2XXX)
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: Stainless steel, replaceable
Plug: Brass on V5011P1XXX
Stainless steel on V5011P2XXX
Stem: Stainless steel
Packing: Spring loaded carbon fiber
reinforced PTFE V-rings
Medium temperature and
pressure: Water
Steam
2 to 120 °C max. 20 bar
120 to 170 °C max. 12.8 bar
