Buy Genuine Keystone Valves by Emerson – Best Prices & Worldwide Shipping

As a supplier of Keystone valves by Emerson, we are proud to offer a wide range of industrial valve solutions tailored for various sectors, including oil & gas, power generation, water & wastewater, marine, chemical, and more. Keystone, a trusted name under the Emerson umbrella, has set benchmarks in the valve industry with its innovative design, durability, and dependable performance.

We provide genuine Keystone products across all series and models with competitive pricing and prompt worldwide shipping. Whether you’re sourcing butterfly valves, actuators, or accessories, we have you covered with an extensive inventory of part numbers and technical support to ensure the right fit for your application.

Keystone Valves by Emerson – Your Trusted Global Supplier for High-Performance Valve Solutions

Founded in 1951, Keystone quickly became a leader in flow control technology and was acquired by Emerson to strengen its global valve portfolio. Keystone’s innovative engineering is embedded in all their butterfly valves, actuators, and valve accessories, making them ideal for precise, reliable, and long-lasting control of flow.

✅ Keystone Valve Product Categories

Emerson’s Keystone product range includes:

• Butterfly Valves
• Pneumatic & Electric Actuators
• Knife Gate Valves
• Control Accessories

Let’s explore the complete range of Keystone products across series, models, and divisions, along with important part numbers.

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https://unifysolutions.in/wp-content/uploads/2025/05/Emerson-Keystone-GR-Series-ISO-Datasheet.pdf

🔩 Keystone Butterfly Valves

Keystone butterfly valves are known for their robust construction and minimal maintenance. They offer a cost-effective solution for both on-off and modulating service.

🔷 Series: Keystone Figure 221/222/223

• Type: Wafer-style resilient seated butterfly valves
• Size Range: DN 50 to DN 1200 (2” to 48”)
• Pressure Rating: Up to 16 bar
• Body Material: Cast Iron, Ductile Iron, Stainless Steel
• Seat Options: EPDM, NBR, PTFE

Sample Part Numbers

• 221-510-002-003
• 222-520-006-007
• 223-540-012-011

🔷 Series: Keystone Figure 320/322

• Type: Lugged and Wafer style valves
• Use: General-purpose industrial
• Disc: Nylon coated, Stainless Steel, Aluminum Bronze

Sample Part Numbers

• 320-620-050-002
• 322-625-080-004
• 322-640-100-005

🔷 Series: Keystone Figure 990/920/990F

• Type: High-performance double offset butterfly valves
• Temperature: Up to 260°C
• Sealing: Metal or soft seat

Sample Part Numbers

• 990F-715-008-001
• 920-720-012-003
• 990-730-016-004

🔷 Series: Keystone GR Series

• Type: Resilient seated butterfly valves
• Standards: ISO, ANSI, DIN
• Size: DN 40 to DN 1600

Sample Part Numbers

• GR300-080-511
• GR400-100-605
• GR200-050-451

🔧 Keystone Knife Gate Valves

Ideal for slurries, viscous fluids, and solids-laden flows.

🔷 Series: Keystone KGV, KGD, KKI

• Size: 2” to 48”
• Seat Types: Metal, soft-seated, deflection cone

Sample Part Numbers

• KGV-3020-08
• KGD-4010-12
• KKI-5000-24

⚙️ Keystone Actuators

🔷 Pneumatic Actuators – F79U

• Torque: Up to 8000 Nm
• Material: Anodized Aluminum

Part Numbers

• F79U-040-DA
• F79U-060-SR
• F79U-080-DA

🔷 Electric Actuators – EPI 2

• Voltage Options: 24VDC, 110VAC, 230VAC
• Enclosures: IP67

Part Numbers

• EPI2-110-A05
• EPI2-230-B07
• EPI2-24-C10

📦 Accessories

• Solenoid Valves: SV-110-24DC, SV-120-230AC
• Limit Switches: LS200-PNP, LS200-NPN
• Positioners: PSL100-E, PSR300-P

🏭 Keystone Industries

• Oil & Gas
• Mining
• Chemical
• Power Gen
• Water & Wastewater
• Marine

📑 Keystone Sample Part Number Table

Trust the experts — Get genuine Keystone products delivered worldwide!