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What is WKM Valve?

The WKM 370D Series ball valves satisfy a wide range of ANSI and API Spec 6D applications. Engineered for heavy-duty, reduced-maintenance performance and manufactured in a variety of body and seal materials, WKM 370D Series valves are commonly selected for many specialized applications such as gas distribution, gas transmission, oilfield production, and industrial applications.

Specifications of WKM Valves

The WKM D Series ball valves satisfy a wide range of ANSI and API 6D applications. Engineered for heavy-duty, reduced-maintenance performance and manufactured in a variety of body and seal materials, the WKM D Series valves are commonly selected for many specialized applications such as gas distribution, gas transmission, oilfield production, and industrial applications.

• Sizes: 2 to 16 in [50 to 400 mm]
• Pressure classes: 150 to 5000
• Provisions for secondary seat sealant or stem sealant injection
• Designed in accordance with ANSI Standard B16.34
• Manufactured and tested in accordance with API Spec 6D
• Fire-tested to API Specs 607 and 6FA
• NACE MR0175/ISO 15156

The WKM D Series ball valves satisfy a wide range of ANSI and API 6D applications. Engineered for heavy-duty, reduced-maintenance performance and manufactured in a variety of body and seal materials, the WKM D Series valves are commonly selected for many specialized applications such as gas distribution, gas transmission, oilfield production, and industrial applications.

• Sizes: 18, 20, and 24 in [450, 500, and 600 mm]
• Pressure classes: 150 to 600
• Three-piece forged construction
• Double block-and-bleed
• Stem and seat injection
• Adapter plate for direction mount gear
• API Spec 6D
• NACE MR0175/ISO 15156
• Fire-tested to API Spec 6FA
• Optional compliance with API Spec 598 (valve inspection and testing) and ASME Standard B16.104 (valve seat leakage)

AOP* valve includes a wide range of trunnion-mounted ball valves. The designs have been developed based on customer requirements.

All AOP technologies are manufactured and tested in compliance with API Spec 6D, which dictates end-to-end dimensions, flange configuration, port sizes, construction materials, quality control procedures, and testing requirements.

• Sizes: 2 to 16 in [50 to 400 mm]
• Pressure classes: 150 to 2500
• Double block-and-bleed operation
• API Specs 6D, 598, 608, and 607 6th Ed. fire-test
• NACE MR0175/ISO 15156 for buried service
• ASME Standard B16.34 (valves, flange end)
• Optional compliance with CE/PED, ISO 5211 top works, and CRN

WKM Saf-T-Seal Slab Gate Valve

The WKM Saf-T-Seal slab gate valve is a simple, yet rugged and reliable, through-conduit valve. It utilizes two floating seats to provide a complete seal with the gate. Each seat contains a metal seat face plus a peripheral seal. The full bore design has the same pressure drop as an equivalent length of pipe and allows the passage of all types of scrapers (pigs).

The WKM Saf-T-Seal gate valve’s through-conduit design provides these specific advantages resulting in reliable performance and long life:

• Protection of seat faces
• Smooth, continuous conduit for the flow
• Block-and-bleed capability
• Commonly used applications