VITE LTX-06-0543 Lined Diaphragm Valve – Manual, DN20, 8 bar

The VITE LTX-06-0543 is a manually operated lined diaphragm valve engineered for demanding fluid handling applications involving corrosive, abrasive, or high-purity media. With a nominal size of 20A (approximately ¾" or DN20), this valve offers a maximum working pressure of 8 bar (116 psi) and is suitable for service temperatures ranging from -10°C to +150°C, depending on the lining and diaphragm materials.

Designed for long-term reliability, the valve features a cast iron or ductile iron body with a corrosion-resistant internal lining such as PTFE, FEP, or PFA, ensuring compatibility with aggressive chemicals. The diaphragm, typically made from EPDM, PTFE, or Butyl, forms a tight seal against the valve weir, achieving bubble-tight shutoff per EN 12266-1.

This valve includes a bolted bonnet design with a rising stem handwheel for manual linear operation. Its end connections are flanged, compatible with standards such as JIS B2220 or DIN EN 1092. It supports bidirectional flow with a preferred flow direction from under the diaphragm for optimal sealing and diaphragm longevity.

For flexibility in automation, the valve is convertible to pneumatic or electric actuator operation via a top-mounted bracket. This makes it suitable for future upgrades in semi-automated or fully automated process lines.

Specifications:

– Manufacturer: VITE
– Model / Tag Number: LTX-06-0543
– Valve Type: Lined Diaphragm Valve – Manually Operated
– Operation Type: Handwheel Operated – Rising Stem (Linear Motion)
– Nominal Size: 20A (Approx. ¾” / DN20)
– Pressure Rating: 8 bar (116 psi) / 8 kg/cm²
– Max Working Pressure: 8 bar at rated lining temperature
– Temperature Range: -10°C to +150°C (lining and diaphragm dependent)
– Lining Material: PFA, FEP, or PTFE (typical options)
– Body Material: Cast Iron or Ductile Iron with lining
– Diaphragm Material: EPDM, PTFE, or Butyl (common configurations)
– Seal Type: Diaphragm-to-Weir – Bubble Tight Shut-Off
– Leakage Class: Bubble Tight (per EN 12266-1)
– End Connections: Flanged (JIS B2220 or DIN EN 1092)
– Bonnet Design: Bolted Bonnet with Threaded Stem
– Mounting Orientation: Horizontal preferred; vertical acceptable
– Flow Direction: Bidirectional – Preferred under-diaphragm flow
– Actuation Option: Convertible to pneumatic or electric actuator mount
– Tag Number: LTX-06-0543

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