PTFE Lined Unequal Cross
PTFE Lined Unequal Cross Manufacturer
PTFE Lined Unequal Cross fittings by MVS Valves are specifically engineered to handle aggressive chemicals and high-purity fluids with unmatched reliability and structural strength. These fittings offer a dependable solution for multi-directional flow control where the outlet dimensions differ from the main line, making them ideal for complex piping systems. Designed to ensure leak-free service, each unit features a high-performance PTFE or PFA lining that resists corrosive attack while maintaining high mechanical stability across varying pressures and temperatures. These unequal crosses are available in sizes ranging from ½″ to 24″ (DN 15–600) and are pressure-rated to ANSI Class 150/300 or PN 10–25. Capable of operating between –40 °C and +230 °C, they are fully vacuum-rated and meet all relevant global standards including ASTM F1545, ASME B16.9, and ISO specifications.
MVS Valves manufactures the PTFE Lined Unequal Cross in robust materials such as ductile iron, cast steel, and stainless steel castings up to 150 NB. For larger sizes, fabricated versions are provided to ensure dimensional integrity and customized compatibility. Customers can request versions with one or two reduced bore branches depending on the application’s flow requirement. We also offer PFA lined reducing crosses with either virgin liner for ultra-clean environments or anti-static liners to prevent static buildup, especially in volatile process lines. As a trusted PTFE Lined Unequal Cross Manufacturer, MVS Valves ensures every component is built with precision and durability to withstand the toughest industrial environments.
Specification
| Specification | Details |
|---|---|
| Size Range | 25 mm to 300 mm |
| Type | Unequal Reducing Cross (with one or two reduced bore branches) |
| End Connection | Both Sides Fixed Flanges – Rotating – Fixed On/Off Centres |
| Flange Dimensions | DIN PN10/16, BS 10, ASME 150 / 300, Mixed |
| Flange Standard | As per ANSI B16.5 / B16.42 |
| Face-to-Face | As per ANSI B16.5 Class 150 |
| Lining Material | Moulded FEP, PFA |
| Lining Options | PVDF, PP, HDPE |
| Lining Thickness | Minimum 3.5 mm / 6.0 mm overall (±1.0 mm Tolerance) |
| Lining Spark Test | 20 KVDC After Lining |
| Hydraulic Test | 29 Kg/cm² After Lining |
| Special Geometry | Non-standard dimensions; sizes above 6″ fabricated from pipe |
| Optional Flange Drilling | DIN 2632 / 2633, BS 10 Table D, E, F (on request) |
Material of Construction
| Body Materials | Steel Fabrication – ASTM A234 Gr.WPB Ductile Iron GGG40.3 / ASTM A395 Cast Steel ASTM A216 Gr. WCB Stainless Steel ASTM A312 TP 304 / 316 (SCH-40) |
| Flange Materials | IS 2062 Plates ASTM A105 Stainless Steel CF8 (SS 304) / CF8M (SS 316) |
| Liner Types | Virgin PTFE or Anti-Static (Static Dissipating) PTFE |
| Design Features | Cast up to 150 NB size; above that fabricated Available with one or two reduced branches Rotating flanges optional |
| Extras | Earthing Studs / Lugs, Vent Extensions |
Application Industries

Crude Oil & Natural Gas Industry

Chemical & Petrochemical Industry

Water & Wastewater Treatment

Nuclear & Thermal Power Generation

Food & Beverage Industry

Pharmaceutical & Biotechnology

Pulp & Paper Industry

Mining & Mineral Processing

Marine & Shipbuilding

HVAC & Building Services

Automotive & Paint Chemical Manufacturing

Environmental & Bio Gas Renewable Energy

Steel & Metal Processing

Fertilizer Plants, Polymer Production

Cosmetics & Personal Care

Cement & Construction

Chlor-Alkali Industry

Mineral Acids Industry
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