SPECIFICATIONS

● Sizes: 1/4-4"

● Pressure Classes: ASME / ANSI Class 900-4500

● Materials of Construction: Carbon steel (A105) – standard, Alloy steel (F22, F91) – standard, Stainless steel (316H) – standard, Other materials available upon request.

● In Compliance: ASME B16.34, PED, Nuclear ASME III Class 1, 2 and 3, Nuclear Safety Related – 10CFR50 Appendix B ,SIL

● End Connections: Socketweld, buttweld, NPT – standard ,Others available upon request

● Shutoff: Absolute zero-leakage shutoff

FEATURES

● Integral metal seat: With our proprietary HVOF RiTech® coating technology, the integral seat in ValvTechnologies’ valves is resistant to the attack of abrasive magnetite and ferrous oxides that may be seen in the steam flow.

● Body seal ring: ValvTechnologies employs a field proven seal ring technology to ensure sealing under all operating conditions, up to 1400°F. The body seal ring is loaded at a pressure higher than 20,000 psi. In addition, valves sized three inch and above contain a secondary Grafoil seal to further guarantee reliability.

● Patented coating process: The sealing surfaces are overlaid with tungsten or chromium carbide using our exclusive HVOF RiTech® process. These surfaces have a hardness of 68 – 72 Rc to allow long periods of operation in the most severe conditions.

● Live-loaded gland area: The V Series’ sealing design features a four stud, live-loaded assembly designed for heavy industrial applications. The sealing material is high purity Grafoil® surrounded by stainless steel wire mesh anti-extrusion rings. The six Belleville® springs (per stud) provide constant load pressure through extreme thermal shocks and prevent wear leaks in high-cycle service.

● Blow-out proof stem design utilizes a one piece, hard-faced, blow-out proof stem that is inserted through the inside of the body cavity eliminating the possibility of blow-out through the gland area.

● Backpressure protected sealing: Standard with the V1-1 valves, the design prevents the upstream spring from collapsing in a reverse flow condition, protecting the internals from damage and guaranteeing shutoff in the reverse direction.

● Zero-leakage shutoff: ValvTechnologies tests every valve according to ANSI procedures, however, we toughen the standard and define zero-leakage as no detectable leakage of gas or a liquid for a period of three minutes or greater. The ValvTechnologies’ standard is zero drops and zero bubbles, guaranteed.