Dilating Disk Valve (DDV)
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Cut Sheet to Valve
Overview
The Dilating Disk™ Valve features a unique, patented design, which provides precise flow control using a three-petal mechanism. The globe valve replacement holds many key certificates and conforms to industry-required control valve specifications, including, ANSI/FCI 70-2 leakage specifications, PED 2014/68/EU, CRN, SIL 3, ISA 75.05.01, IEC 60534-1, and MIL-DTL-32632. This control valve type also features ultra-low seat and operational torque, resulting in a significant reduction in actuator size, which leads to an easy transition to electric automation
Specifications
| Sizes | 1/4″ to 12″ (DN8 to DN300) Valve Sizes |
| Pressure ratings | Up to ASME Pressure Class 1500 |
| Standards | B16.10, ISA 75.05.01, MIL-DTL-32632 |
| Weight | SV3=41 lbs., SV2=34 lbs. |
| Metallic Parts | ASTM A182, grade F304 or ASTM B61 Bronze |
| Discs, Seats, & Stems for Seawater Service | Nickel-Copper Alloy |
| Non-metallic parts | Buna N, EPDM, FKM, or PTFE |
Features
- Easy Installation – Exact face to face dimensions (ISA 75.08, ASME B16.10) as current globe valves, no pipe modifications required for installation. Uses manual, pneumatic, electric actuator.
- Efficient Flow Path- The fluid is continuously in the centerline of pipeline, improving resistance to cavitation damage and lower noise. Curved closure members allow predictable pressure drops and provide a tight shut off.
- AVAILABLE CLASS VI- Optional Class VI shut off up to ASME Pressure Class 1500 means zero leakage, with precise throttling capability that is easily programmed into the control system.
- DESIGNED FOR SAFETY- Shell and leakage tested in keeping with required industry standards per customer requirements before shipping.
- PRECISION RANGEABILITY- Centralized flow stream, from a fine mist to full port creates a high rangeability of up to 500:1, provides precise control that exceeds other globe control valve products.
