TECHNICAL DATA SHEET
Hydraulic Actuated Concentric Butterfly Valve
Stainless Steel Body · Rubber Seated
The Hydraulic Actuated Concentric Butterfly Valve is a resilient-seated quarter-turn rotary valve designed for precise flow control and positive shut-off in demanding industrial and municipal applications. Featuring a concentric disc design with a stainless steel body and elastomer seat, this valve provides bubble-tight sealing, low pressure drop, and reliable performance across a wide range of media including water, oil, gas, and corrosive fluids.
The hydraulic actuator delivers substantial torque for smooth operation against significant line pressures, making this valve ideal for high-pressure automated systems requiring remote operation and SCADA integration.
Feature | Description |
Valve Type | Concentric (centric) disc, resilient seated butterfly valve |
Connection Type | Wafer-type / flangeless design for installation between flanges |
Flow Direction | Bi-directional |
Disc Design | Concentric disc rotates on central axis, minimizing pressure drop and turbulence |
Sealing | Elastomer seat provides bubble-tight shut-off (zero leakage) and compensates for minor disc misalignment |
Stem Design | Anti-blowout square-driven stem with lower thrust bearing to reduce friction and prevent galling |
Actuator Mounting | ISO 5211 compliant top flange for direct actuator mounting |
Maintenance | Compact, lightweight design with reduced maintenance requirements |
3.1 General Parameters
Parameter | Specification |
Size Range | DN40 – DN600 (1.5″ – 24″) |
Pressure Ratings | PN10 / PN16 / Class 150 |
Design Standards | EN 593, ISO 5752, API 609, ASME B16.34 |
Face-to-Face Dimensions | ISO 5752 Series 20 / EN 558 Series 20 / API 609 Table 1 |
Flange Accommodation | DIN PN10/PN16, ASME Class 150, JIS 10K, BS4504 PN10 |
Top Flange | ISO 5211 |
Flow Velocity (Limit) | Up to 3 m/s (fully-open, continuous operation) |
3.2 Operating Conditions
Parameter | Specification |
Maximum Working Pressure | 1.6 MPa (16 bar) |
Hydraulic Supply Pressure | 40 – 70 bar (580 – 1015 psi) standard |
Operating Temperature (Valve) | -20°C to +120°C (EPDM seat) |
Operating Temperature (Actuator) | -20°C to +80°C |
Allowable Continuous Use Temp. | -10°C to +100°C (EPDM) |
Actuator Torque Output | 100 Nm to 50,000 Nm (customizable) |
Component | Material | Equivalent Standard |
Body | Stainless Steel CF8 / CF8M (A351) | 304 / 316 Stainless Steel |
Disc | Stainless Steel CF8 / CF8M | 304 / 316 Stainless Steel |
Stem / Shaft | Stainless Steel AISI 420 / 416 / 17-4PH | SUS420J2 |
Seat (Liner) | EPDM (Standard) | |
Seat (Optional) | NBR (Nitrile), Viton® (FKM) | — |
O-Ring | NBR rubber | — |
Bearing | PTFE-coated steel / POM | — |
Parameter | Specification |
Actuator Type | Double-acting or Spring-return (fail-safe open/closed) |
Hydraulic Fluid | Corrosion-resistant hydraulic oil (medium-viscosity anti-wear) |
Max. Operating Pressure (Actuator) | 16 MPa |
Operating Temperature (Actuator) | -20°C to +80°C |
Control Options | Manual override, solenoid valve, SCADA integration |
Mounting Interface | ISO 5211 |
Test | Requirement |
Body Shell Test | 1.5 × rated pressure (hydraulic) |
Seat Leak Test | 1.1 × rated pressure (pneumatic) |
Allowable Seat Leakage | Rate A — Tight shut-off (bubble-tight) per JIS B 2003 |
Bi-directional Sealing | 100% bi-directional tight shut-off |
Fire-safe Design | Available upon request |
Dimensions are for reference. Consult factory for specific drawings.
DN | Face-to-Face (mm) | Approx. Weight (kg) |
40 | 33 | — |
50 | 43 | — |
65 | 46 | — |
80 | 46 | — |
100 | 52 | — |
125 | 56 | — |
150 | 56 | — |
200 | 60 | — |
250 | 68 | — |
300 | 78 | — |
Face-to-face dimensions per ISO 5752 Series 20 / EN 558 Series 20.
Option | Details |
Seat Materials | NBR, Viton® (FKM), PTFE |
Body Materials | Ductile iron, cast steel, aluminum bronze |
Actuator Configuration | Spring-return (fail-safe) or double-acting |
Coating | Epoxy resin powder coating for enhanced corrosion resistance |
Sanitary Design | Available for food-grade / hygienic applications |
Custom Pressure Ranges | Available upon request |
Standard | Description |
EN 593 | Industrial valves — Butterfly valves |
ISO 5752 | Face-to-face dimensions for butterfly valves |
API 609 | Butterfly valves: wafer, lug, and double-flanged |
ASME B16.34 | Valves — Flanged, threaded, and welding end |
ISO 5211 | Actuator mounting interfaces |
API 598 | Valve inspection and testing |
This technical data sheet is for general reference only. Specifications are subject to change without prior notice. For specific project requirements, please consult the manufacturer.
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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