Fisher CV500 Eccentric Plug Valve
Introduction
Fisher CV500 Eccentric Plug Valve is a flanged/flangeless industrial valve for gas and liquid pressure regulation.
Product Features
1. Optimized Flow Design
Unobstructed straight-through flow path, high flow capacity, precision-contoured V-notched ball, turndown ratio 200:1.
2. Long-Life Seat Structure
Reversible dual-seal seat ring, materials S31600 / Alloy 6, cam-lift action minimizes wear and friction.
3. One-Piece Body Construction
Product Specifications
|
Available Configurations |
Flanged valve body assembly with reversible(1) metal seat ring and splined shaft |
|
Valve Body Sizes |
NPS 3, 4, 6, 8, 10, 12; also available in DN 80, 100, 150, 200, 250, 300 |
|
End Connection Style |
Raised-face or ring-type joint flanges (per ASME B16.5); valve bodies with EN PN10 to PN100 flanges are also offered |
|
Maximum Inlet Pressure(2) |
Consistent with applicable ASME or EN flange ratings |
|
Shutoff Classification |
Class IV per ANSI/FCI 70-2 and IEC 60534-4 (0.01% of valve capacity at full travel), valid for both flow directions |
|
Flow Characteristic |
Modified equal percentage |
|
Flow Direction |
Forward (normal) flow is into the convex side of the V-notched ball; bidirectional flow is allowed from either side |
|
Flow Coefficient Ratio(3) |
200:1 (ratio of maximum to minimum usable flow coefficient, also referred to as rangeability) |
|
Actuator Mounting |
Right-hand or left-hand (viewed from the valve's upstream side). Mounting position depends on the required open valve position and flow direction for operational conditions; see the Installation section for details. |
|
Valve V-Notch Ball Rotation |
90-degree counterclockwise rotation to close (when viewed from the actuator side of the valve body) |
|
Valve Body/Actuator Action |
With a diaphragm or piston rotary actuator, field-reversible between push-down-to-close (extending actuator rod closes the valve) and push-down-to-open (extending actuator rod opens the valve) |
|
Options |
Sealed bearing constructions, purged bearings |
Notes:
1. The reversible seat is not available for all trim materials.
2. Do not exceed the pressure or temperature limits specified in referenced tables/figures or applicable code requirements.
3.Ratio of maximum flow coefficient to minimum usable flow coefficient, also known as rangeability.
Company Strengths
1.Genuine Product Guarantee
Full range of original Fisher CV500 valves supplied, complying with strict brand quality and performance standards.
2.Full-Process Technical Support
Professional technical team provides full-cycle services: selection consultation, installation, commissioning and maintenance guidance.
3.18-Month Quality Warranty
All valves are covered by an 18-month quality warranty for reliable after-sales support.
4.Full-Spec In-Stock Supply
Covers NPS 3–12 / DN80–300 conventional sizes for fast project delivery.
fAQ
Q1. What end connections are available for the CV500?
RF/RTJ flanges (ASME B16.5), EN PN10–PN100 flanges, and flangeless designs are available.
Q2. What is the rotation direction of the V-notched ball?
The ball rotates 90° counterclockwise to close the valve, viewed from the actuator side.
Q3. What actuator mounting options are provided?
Left-hand and right-hand mounting are available, compatible with diaphragm and piston rotary actuators.
Q4. What optional bearings are offered for severe service?
Sealed metal bearings and purged bearings are available for harsh operating conditions.
Q5. Is the reversible seat compatible with all trim materials?
The reversible seat is not compatible with all trim materials; refer to the official technical manual for details.
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