Brand: Fisher

Fisher V150 Vee-Ball Segmented Ball Control Valve

Name: Fisher V150 Vee-Ball Control Valve – Datasheet & Price Quote
Brand: Fisher

Description

Overview

The Fisher V150 is a flanged Vee-Ball segmented rotary control valve engineered for dependable on/off and throttling service across a broad range of process industries, offering a cost-effective rotary alternative to sliding-stem globe valves wherever high capacity, compact installed length, and simple maintenance matter. Its one-piece flanged valve body eliminates the exposed line-flange bolting and separate body-to-flange gasket joints found on flangeless rotary valve designs, reducing both installation time and long-term leak paths.

Working closely with plant engineers in the region, Seven Star LLC supplies the Fisher V150 Vee-Ball control valve to process plants, water treatment facilities, and industrial operators across Oman and the wider GCC, with application engineering support and lead time confirmed at quotation for general-purpose rotary control valves.

Operating Principle

The Fisher V150 operates through a segmented Vee-Ball rotary mechanism in which a precisely contoured, V-notched ball segment rotates against a solid HD ball seal to throttle or shut off flow. The precise contouring of the Vee-Ball produces a modified equal-percentage flow characteristic, giving operators smooth, predictable control across the valve’s rotation without the flow instability that a simple quarter-turn ball valve would exhibit when used for modulating duty.

Pressure-balanced seal designs keep actuation torque low and consistent throughout the stroke, allowing smooth, precise positioning even as upstream pressure varies. Because the ball seal can be inspected and replaced at the valve body inlet without removing the actuator, routine maintenance on the V150 avoids the extended downtime that a full actuator teardown would otherwise require, an important advantage on continuously running process lines.

Engineering Design of the Fisher V150

Mechanically, the Fisher V150 is built around a one-piece flanged valve body that improves structural integrity by eliminating the gasketed body joints found in two-piece bolted rotary valve constructions, reducing the number of potential leak paths to atmosphere. The solid HD ball seal construction is engineered for extended service life even in erosive or particulate-laden process streams, and optional ENVIRO-SEAL packing systems with smooth shaft surfaces and live loading maintain a tight stem seal through repeated actuation cycles.

Materials compliant with NACE MR0175-2002, MR0175-2003, MR0103, and NACE MR0175/ISO 15156 are available for sour service applications, extending the V150’s usable range into oil and gas production duties alongside its core water, chemical, and general process markets. The valve pairs with a Fisher rotary actuator sized to the required torque and stroke speed, and integrates with Fisher FIELDVUE digital valve controllers for precise positioning feedback and condition-based maintenance diagnostics.

Key Features

The Fisher V150 Vee-Ball control valve combines rotary-valve compactness with globe-valve-like control precision for general process duty, and the following features summarize why plant engineers across Oman and the GCC continue to specify this Fisher control valve for demanding throttling and shutoff service.

Precision-contoured Vee-Ball segment delivers a modified equal-percentage flow characteristic for smooth throttling control.
One-piece flanged valve body eliminates exposed line-flange bolting and reduces gasketed leak paths.
Solid HD ball seal construction provides extended service life in erosive and particulate-laden process streams.
Pressure-balanced seal design keeps actuation torque low and consistent throughout the valve stroke.
Ball seal inspection and replacement at the valve inlet is possible without removing the actuator.
Optional ENVIRO-SEAL packing with smooth shaft surfaces and live loading maintains reliable stem sealing.
Sour-service material options compliant with NACE MR0175 and ISO 15156 extend the valve into oil and gas duty.
Compatibility with Fisher FIELDVUE digital valve controllers enables precise positioning and diagnostic trending.

Industrial Applications

The Fisher V150 is widely specified across general process plants, water and wastewater treatment facilities, and chemical processing units where dependable on/off and throttling control is needed at a lower installed cost than equivalent globe valve. Its compact flanged body and high capacity per line size also make it a common choice on cooling water systems, general utility services, and light-duty oil and gas surface facilities across the region.

With fast quotation turnaround and technical support, Seven Star LLC supplies the V150 Vee-Ball control valve throughout Oman and the broader GCC, supporting water treatment, chemical processing, and general industrial projects in the Sohar and Salalah economic zones as well as facilities around Muscat, with availability and lead time for general-purpose rotary control valves confirmed at quotation. Sultanate of Oman utilities and GCC industrial operators specify the V150 wherever a cost-effective, compact rotary valve meets the required flow control performance.

Technical Specifications

The table below summarizes the principal Fisher V150 specifications and control valve design data as published by the manufacturer, giving specifying engineers a quick reference for body style, seal material, and actuation compatibility when selecting this Fisher control valve for a given service.

Parameter	Specification
Model	Fisher V150
Valve Type	Segmented Vee-Ball rotary control valve
Body Style	One-piece flanged body
Ball Seal	Solid HD ball seal, pressure-balanced
Flow Characteristic	Modified equal percentage
Packing	Optional ENVIRO-SEAL, live-loaded
Sour Service Compliance	NACE MR0175-2002, MR0175-2003, MR0103, ISO 15156
Actuation	Fisher rotary actuators with FIELDVUE compatibility
Typical Service	General process, water treatment, and chemical throttling

Request a Quote for Fisher V150 Vee-Ball Segmented Ball Control Valve

Process and utility engineers across Oman and the GCC can request a formal quotation for the Fisher V150 Vee-Ball control valve directly from Seven Star LLC, including current availability and lead time, full technical datasheets, and material selection guidance for sour or corrosive service. With engineering support in Muscat, Seven Star LLC’s instrumentation and valve automation division is ready to assist with V150 sizing, actuator selection, and FIELDVUE digital valve controller integration, so contact our team today to specify a compact, cost-effective rotary control valve for your project.

Browse the full Fisher range or see more Control Valves products supplied by Seven Star LLC in Oman and the GCC.

Datasheets & Documents

Datasheet Fisher Vee-Ball V150/V200/V300 Product Bulletin Download

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About brand

Fisher is the control valve brand of Emerson. Its history starts in 1880 in Marshalltown, Iowa, where William Fisher, working at the town waterworks, invented a constant-pressure pump governor and founded a company to make it. Emerson bought Fisher Controls in 1992, and Marshalltown remains a main engineering and manufacturing site for Fisher valves. The brand covers control valves, actuators, FIELDVUE digital valve controllers, regulators and level controllers.

Seven Star LLC is an independent supplier listing Fisher control valves, actuators, positioners, regulators and spare parts for buyers in Oman and the GCC. Replacement valves and trim are matched from the serial number on the valve nameplate.

Fisher company profile

Origin	William Fisher's constant-pressure pump governor, Marshalltown, Iowa, USA (1880)
Ownership	Owned by Monsanto from 1969; sold to Emerson in 1992 and combined with Rosemount as Fisher-Rosemount, later Emerson Process Management. Today a brand of Emerson.
Main site	Marshalltown, Iowa, USA
Product families	Sliding-stem and rotary control valves, spring-diaphragm and piston actuators, FIELDVUE digital valve controllers, pressure regulators, displacer and digital level controllers
Typical duty	Throttling control of liquids, gas and steam, high-pressure and severe service, instrument supply and gas pressure reduction

Milestones

1880: William Fisher builds a constant-pressure pump governor in Marshalltown, Iowa.
1969: Monsanto acquires Fisher Controls.
1992: Emerson buys Fisher and combines it with Rosemount as Fisher-Rosemount, later Emerson Process Management.

Fisher valves, actuators and instruments

Series	Type	Typical use
easy-e ES, ET, EZ	Sliding-stem globe and angle valves	Cage-guided globe valves: ES with unbalanced plug, ET with balanced trim for higher pressure drop; EZ unbalanced with a seat ring retainer for viscous or dirty fluids
GX	Compact globe valve with integral actuator	Standard chemical and process duty where a compact valve package is preferred
HPT, HPAT	High-pressure globe and angle valves	Pressure classes up to ASME CL2500, compressor recycle and high-pressure letdown
V150, V200, V300, V250	Vee-Ball segmented ball and full-bore ball control valves	High-capacity control of liquids, gas and fibrous or slurry service
CV500	Eccentric rotating plug valve	Erosive, coking and dirty service
8560, 8580	High-performance butterfly valves	Large-line throttling and on-off control
657, 667, 1052, 1061, easy-Drive	Spring-diaphragm, piston and electric actuators	657 and 667 for sliding-stem valves; 1052 and 1061 for rotary valves; easy-Drive where no air is available
FIELDVUE DVC6200, DVC2000, 3610J	Digital valve controllers and positioners	HART positioning with valve diagnostics; 3610J pneumatic positioner for rotary actuators
627, 1098-EGR, 67C	Pressure regulators	Gas pressure reduction, pilot-operated regulation and instrument air supply
DLC3100, 2500	Digital and pneumatic level controllers	Displacer level and interface on separators and scrubbers

Where Fisher valves are used

Fisher control valves and regulators are standard equipment in oil and gas production, refineries, gas processing and LNG, petrochemicals, power plants and water systems. Typical loops are separator level and pressure, compressor anti-surge and recycle, fuel gas pressure reduction, feedwater and steam control, and chemical dosing. FIELDVUE controllers add diagnostics that help plan valve maintenance before a turnaround.

Ordering Fisher valves and spare parts: what we need

For spares, send the serial number from the valve nameplate together with the valve type, size, pressure class, trim and actuator type and size. Emerson keeps the build record behind the serial number, so plug, seat ring, cage, packing and diaphragm kits can be matched without guesswork. For a FIELDVUE or regulator, send the full model and type number and the mounting details. For a new valve add the process data: fluid, flow range, inlet and outlet pressure, temperature, leakage class, fail position, air supply and signal.

Facts checked against Emerson Fisher product information and published company histories, October 2026.

Browse Fisher products by category: Control Valves, Valve Actuator, Valve Positioner, Regulators, Level Transmitter.

FAQ

Questions about the Fisher V150 Vee-Ball Segmented Ball Control Valve

Answers from our engineering team on installation, compatibility and integration.

01How does the Fisher V150 achieve smooth throttling control like a globe valve?

The precisely contoured Vee-Ball segment produces a modified equal-percentage flow characteristic as it rotates against the ball seal, giving smooth, predictable control rather than the abrupt response of a simple quarter-turn ball valve.

02Can the V150 be maintained without removing the actuator?

Yes, the ball seal can be inspected and replaced at the valve body inlet without removing the actuator, reducing downtime on continuously running process lines.

03Is the V150 suitable for sour or corrosive service?

Yes, materials compliant with NACE MR0175-2002, MR0175-2003, MR0103, and NACE MR0175/ISO 15156 are available, extending the V150 into sour oil and gas applications.

04Can the V150 integrate with digital valve controllers?

Yes, the V150 pairs with Fisher FIELDVUE digital valve controllers for precise positioning feedback and condition-based maintenance diagnostics.

05Is Seven Star LLC an experienced supply partner for Fisher products?

Yes, Seven Star LLC is an experienced supplier of Fisher control valves in Oman and the GCC, supplying Fisher control valves with technical support on request.