Industrial Division, Target Rock
Target Rock
Introduction
A premier supplier of highly-engineered, critical-service valves and related services to the nuclear safety related markets.
Solenoid-Operated Control Valves(Specifications) – Sizes from 1 in.(25.4 mm) to 6 in (150 mm) – Water, Steam, Gas – Pressures to 2500 psi(17 MPa) – Fail Open, Fail Closed – 48 VDC to 220 VAC – IEEE 323, IEEE344, ASME III, ASME QME-1
Solenoid-Operated Isolation Valves(Specifications) – Sizes from 3/8 in. to 6 in (150 mm) – Water, Steam, Gas – Pressures to 2500 psi(17 MPa) – Fail Open, Fail Closed – 48 VDC to 220 VAC – IEEE 323, IEEE344, ASME III, ASME QME-1
Pilot Operated Safety Valves(Specifications) (Operated By Proprietary Machined BELLOWS) – Developed in 1960s – Has never failed in thousands of reactor hours of service – Simplifies Valve Design (Bi-Stable Action) – Differential pressure mechanism not affected by change in state of process fluid – No chatter when valve set on steam passes water – Unaffected by Two-Phase Flow
Direct-Acting Safety ValvesDesign Installed in NPPs since 1980s FLEX-C flexible disc technology Bellville disc springs ASME III, ASME QME-1 Available Options – Fully qualified operator – Position Indication
Spring-Loaded Safety and Relief Valves(Specifications) – Size from 3/4″ ×1″ to 3″ ×4″ – Water, Gas – High pressures design available (Advantages) – Unique inverted cone disc design – Line seating provides tight shut-Off and setpoint repeatability – Safety valves “pop” with no adjusting rings- Motor-Operated Valves(Specifications) – Size from 2in. to 6 in – ANSI class 2500 – Qualification to ANSI B16.41, GL 89-10 – ABATE high pressure drop trim available
Pressure Regulators(Piston Operated Specification) – Sizes : 3/8″ thru 2″ – Max lnlet Pressure : 3000 psig – Adjustment : 20% of set – Repeatability : ±1 psig (Diaphragm Operated Specification) – Sizes : 3/8″ thru 3″ – Max lnlet Pressure : 1000 psig – Regulated pressure : 1/2 to 100 psig – Adjustment : 20% of set – Control Band : 1/4% – Repeatability : ±0.25 psig
Accessories for Aor-Operated Valves(I/P Converter) Solid-state electronic control Tight shut-off(TSO) feature solves leakage problems by zero point drift Fail-safe(unit pressure falls to zero on signal failure) Field replaceable filter Seismic qualification 10CFR50-App A, ASME NQA-1, TSSA, CSA (3-ways Solenoid Valves) IEEE 323 qualified Specifically designed to support containment isolation and other continuously energized fail-safe
Control Valves