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Leader Stainless Steel Valves are manufactured for high-performance flow control, isolation, and backflow prevention in corrosive and demanding industrial environments. Designed with premium stainless steel construction, these valves offer excellent corrosion resistance, high strength, leak-proof performance, and long service life. They are widely used in chemical, pharmaceutical, food processing, oil & gas, water treatment, and marine industries. Types Available: Gate Valves Globe Valves Ball Valves Check (NRV) Valves Butterfly Valves Plug Valves Needle Valves Forged Steel Valves (Gate, Globe & Check) Materials of Construction: Body: Cast Stainless Steel CF8 (SS304) / CF8M (SS316) Forged Body: ASTM A182 F304 / F316 Trim: SS304 / SS316 / Stellite (optional) Seat: Metal Seat / PTFE / RPTFE (depending on valve type) Stem: SS304 / SS316 Pressure Ratings: PN10 / PN16 / PN25 / PN40 ASME Class 150 / 300 / 600 / 800 / 900 / 1500 / 2500 (depending on valve model) End Connections: Flanged Screwed (BSP/NPT) Socket Weld Butt Weld Standards & Specifications: API 600 API 602 API 6D API 594 API 598 ASME B16.34 BS 1873 BS 1868 BS EN ISO 17292 ISO 5208 Features: Excellent corrosion and chemical resistance High pressure and temperature capability Leak-tight sealing performance Rugged and durable construction Low maintenance and long service life Suitable for manual, pneumatic, and electric actuation Available in cast and forged stainless steel designs Applications: Chemical & Petrochemical Industries Oil & Gas Processing Food & Beverage Plants Pharmaceutical Industries Water & Wastewater Treatment Marine & Offshore Applications Power Plants Process Industries Advantages: Superior corrosion resistance Hygienic and clean service compatibility Reliable performance in aggressive media Precision engineering for long-term durability Manufactured in accordance with international quality standards

Leader Cast Steel Swing Check Valves are designed to automatically prevent reverse flow in pipelines, protecting pumps, compressors, and other equipment from damage caused by backflow. The swing-type disc opens with forward flow and closes automatically when the flow reverses, ensuring reliable non-return operation. These valves are widely used in oil & gas, refineries, power plants, petrochemical industries, and process pipelines. Design & Construction: Body Material: ASTM A216 Gr. WCB (Carbon Steel) Disc Material: WCB with 13% Cr Stainless Steel Trim / SS304 / SS316 Seat: Renewable Hard-Faced Seat Ring Cover Type: Bolted Cover (Pressure Seal Cover available for higher pressure classes) Hinge Pin: Stainless Steel End Connections: Flanged (ASME B16.5) / Butt Weld (ASME B16.25) Design: Swing Disc, Self-Actuating Standards & Specifications: Design Standard: API 6D / BS 1868 / ASME B16.34 Face-to-Face: ASME B16.10 Flange Standard: ASME B16.5 Testing & Inspection: API 598 Pressure Rating: Class 150 / 300 / 600 / 900 / 1500 / 2500 Available Sizes: 40 mm (1½“) to 900 mm (36“) depending on pressure class and model. Features: Automatic non-return operation Low pressure drop with full flow passage Tight metal-to-metal sealing Heavy-duty cast steel construction Renewable seat for extended service life Suitable for high-pressure and high-temperature applications Low maintenance and long operational life Applications: Oil & Gas Pipelines Petrochemical & Refinery Plants Power Generation Plants Steam & Condensate Systems Water & Process Pipelines Chemical & Fertilizer Industries Industrial Utility Services Advantages: Protects pumps and compressors from reverse flow Rugged construction for severe industrial service Excellent sealing performance Reliable automatic operation without external actuation Available in manual inspection and IBR-compliant versions (where applicable).

Leader PN 16 Globe Valves are designed for accurate flow regulation and dependable shut-off in water, steam, oil, air, and other non-aggressive fluid applications. Their globe-type design provides excellent throttling characteristics, making them ideal for systems requiring precise flow control. Manufactured from high-quality materials, these valves ensure reliable performance, long service life, and minimal maintenance. Design & Construction: Body Material: Cast Iron (CI) / Ductile Iron (DI) Bonnet Type: Bolted Bonnet Disc Material: Stainless Steel / Bronze Seat Ring: Renewable Bronze / Stainless Steel Stem Material: Stainless Steel Gland Packing: Graphite / PTFE Operation: Handwheel Operated End Connection: Flanged Ends Standards & Specifications: Pressure Rating: PN 16 Design Standard: BS 1873 / DIN EN 13789 Face-to-Face: EN 558 / DIN 3202 Flange Drilling: EN 1092-2 PN16 Testing: EN 12266-1 / ISO 5208 Size Range: DN 15 (½“) to DN 300 (12“) (depending on model availability) Features: Excellent throttling and flow control Tight shut-off with low leakage Low operating torque Corrosion-resistant construction Easy maintenance with renewable seat Long service life Suitable for continuous industrial operation Applications: Water Supply Systems Steam Distribution HVAC Installations Fire Protection Systems Chemical & Process Industries Industrial Utility Pipelines Oil & Non-Corrosive Fluid Services Advantages: Precision flow regulation Rugged and durable construction Smooth handwheel operation Reliable sealing performance Manufactured to international quality standards Ideal for commercial and industrial piping systems Pressure Rating: PN 16 Available Sizes: DN 15 to DN 300 (model dependent) End Connection: Flanged PN 16 Operation: Manual Handwheel (gear or actuator options available for larger sizes)