Z1 - Unibody
Power Valves
Adapter Bushing
provides stable
stem support
Blowout-proof Stem
Pressed-in
downstream seat
Ball and seat are
mate-lapped for zero
leakage shutoff
One-piece forged
bar stock design
Belleville spring
(Inconel 718) provides
constant mechanical
seal allowing for thermal
expansion
ISO universal
mounting
bracket
Optimized flow paths
Variety of available end
connections. SW (Shown),
BW, RFF, THD, HUB, etc.
Description
The Z1 Unibody Power Valve is a one-piece, metal-seated ball valve engineered for dependable zero leakage performance for superheated steam in high-pressure, severe-service applications, including power generation and critical on/off applications.
Gallery
Features
- 0.65″ to 3.00″ Bore Sizes
- 0.75″ to 2.50″ NPS SWE; 0.75″ to 4.00″ NPS BWE
- 150 to 4500# ANSI Classes
- Design Meets ASME TDP-1 2006 Bore Requirements
- 4-Year Limited Warranty
- Scribe Line on Stem to Indicate Mechanical Position
- Live-Loaded Stem Packing for Reduced Maintenance
- Two-Piece Die-Formed, Two-Piece Anti-Extrusion Stem Packing
- Blowout-Proof Stem Design
- Pressed-In Barstock Seat
- HVOF or Spray & Fused Chrome Carbide Coated Ball & Seat
- One-Piece Forged Barstock Design with Customizable End Connections
- ISO Universal Mounting-Lugged
- Steel Pins – Prevents Side-Loading Bolt Stress
- One-Piece CNC Machining
- Optimized Flow Path
- Spring-Loaded Upstream Seat for Constant Seat Loads
- Metal-to-Metal Sealing for Severe Leakage Shutoff
- Adapter Design – Provides Stable Stem Support and Smooth Operation
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