INTRODUCTION

Marwin Valve is a leading manufacturer of high quality quarter-turn ball valves and automated accessories. Marwin recognises that many applications are unique and may require specialised attention. Our creative engineering department and quality manufacturing practices enable Marwin Valve to offer the convenience of standard features with the option of customising for specific processes. Our extensive product range includes two piece, three piece, flanged and multi-port valves. In addition, Marwin specialises in non-standard ball valves including metal-seated, cryogenic, control and special-seated ball valves.

TWO PIECE BALL VALVES

» Direct mount options
» Body materials include brass, stainless steel
and carbon steel
» Pressures up to 6000 psi (414 bar)

THREE PIECE BALL VALVES

» Direct mount options
» Wide range of body materials including brass, stainless steel, carbon steel and alloy materials
» Pressures up to 6000 psi (414 bar)
» Wide range of seat options including metal seated
» Standard and customised automation packages

THREE WAY BALL VALVES

» Direct mount options
» Body materials include brass, stainless steel
and carbon steel
» Pressures up to 1000 psi (70 bar)
» L or T port combinations
» Standard and customised automation packages

FLANGED BALL VALVES

» ISO 5211 mounting pad
» API 607 fire safe option
» Wide range of body materials including brass,
stainless steel, carbon steel and alloy materials
» Standard and customised automation packages

AUTOMATION

» Standard and customised automation packages

Actuators

Electric and Pneumatic Actuators (double acting and spring return) are available in a wide range of sizes ideally suited for a variety of industrial and OEM applications.

Electric Actuators The ER Series electric actuators provide economical, compact electrical automation for quarter-turn valves.
Pneumatic Actuators A full range of double acting and spring return actuators designed to NAMUR for air supply ports and top mounting with ISO 5211 for base mounting patterns.

Brass Valves

Brass ball valves are available in two piece and three piece designs and can be used in a wide range of applications including plumbing, water well, and HVAC.

Control Valves

Extremely accurate control through the entire valve stroke with inserts designed specifically for your application.

Characterised Insert Ball Valve The Cv3000 is a V-type control valve for precise control allowing high pressure drop capability with straight through flow and bubble-tight shut-off. Materials of construction for the valve or insert include Hastelloy B, Alloy 20, Hastelloy C, Bronze, Monel, Carbon Steel, Stainless Steel and other special materials such as Duplex, 254 SMO and Titanium. A variety of seat materials are available including PTFE, Carbon or Stainless filled PTFE, Delrin or Peek.

Direct Mount Valves

Direct mount ball valves available in two piece and three piece designs and are suitable for direct mounting of actuators to ISO 5211 standards.

Three Piece Ball Valves The 4700F Series represents the leading technology in three piece ball valves. This versatile 2000 WOG rated valve is standard with API 607 5th Edition Fire Test qualification and ISO 5211 mounting with an integral locking lever for automation flexibility or manual operation.
Three Piece Ball Valve The 8700 Series represents the leading technology in three piece ball valves. This versatile 1000 WOG rated valve is standard with ISO5211 mounting with an integral locking lever. Available in sizes 1/2″ through 2″, full port with a self pressure relieving design by means of a pressure balance port in the ball slot to equalize ball cavity pressure in the closed position.

Fire Safe Valves

Fire safe ball valves available in two piece, three piece and flanged options. Meet API 607 standards.

Flanged Valves

Our flanged valves can be operated manually by positioning its lever in certain angles for open and closed positions. They can also be operated through the use of electric or pneumatic actuators.

Fire Safe, 2 Piece Ball Valve The 3000 Series soft seat valve is engineered for high pressure applications and has built-in versatility, offering a variety of seat/seals, body materials and end connections. It is ideal for applications with pressures up to 4000 psi (275 bar) and temperatures to 600°F (315°C). Available with integral extended ends with “heat sink” construction allowing in-place welding without damage to seats and seals.
High Performance Three Piece Ball Valve. The MS3000 is a Class V shutoff, heavy duty, metal seated ball valve that is designed for pressure up to 990 psi and temperatures up to 1000F. It is ideal for condensate, steam or gas service.
Class 150, Full Port, 3-Way Flanged Ball Valve.
Class 150, Full Port Flanged Ball Valve. The 2000 Series flanged ball valve is designed to handle process applications. Low torque, combined with a large mounting pad, makes this valve ideal for automation.
The 2000R Series flanged ball valve is designed to handle process applications. Low torque, combined with a large mounting pad, makes this valve ideal for automation.
The 5801F Series full port valve is API 607 certified fire safe ball valve. It has specially designed seats that provide tight shutoff and low torque. Standard features include dependable, fully contained double body seals, anti-static devices and blow-out proof stems. The full port valves have a full diameter, straight, construction-free flow path, giving about the same flow capacity as a similar sized piece of pipe. Full port valves are used when flow capacity / pressure drop is the most important consideration, or when frequent cleaning with a flush or pig is required.
The 5801R Series is an API 607, 5th Edition certified fire safe flanged ball valve in standard port. The specially designed seats provide tight shutoff and low torque. Standard features include dependable, fully contained double body seals, anti-static devices and blow-out proof stems.
The 6801F Series is a world class API 607 certified fire safe flanged ball valve available in full port construction. Specially designed seats provide tight shutoff and low torque. Full port valves have a full diameter, straight, constriction-free flow path, giving about the same flow capacity as a similar sized piece of pipe. Full port valves are used when flow capacity / pressure drop is the most important consideration or when frequent cleaning with a flush or pig is required
The Food & Beverage steam valve series ball valves are special versions of the Marwin 2000F and 4700F series, intended for 150 psi or lower pressure steam service in plants requiring use of FDA or equivalent “food grade” engineered plastics or elastomers throughout the plant, regardless of service. Stainless steel valves are “prepared for food service”, and carbon steel valves are “prepared for oil free service”, which means special cleaning and lubrication (USDA H-1 incidental contact lubricant for SS valves and Krytox for CS valves).

High Pressure Valves

Marwin Valve offers high pressure ball valves that are suitable for applications where the medium is flowing at a pressure greater than 3000 psi.

Fire Safe, Full & Reduced Port, 3 Piece Ball Valve The 3000 Series soft seat valve is engineered for high pressure applications and has built-in versatility, offering a variety of seat/seals, body materials and end connections. It is ideal for applications with pressures up to 4000 psi (275 bar) and temperatures to 600°F (315°C). Available with integral extended ends with “heat sink” construction allowing in-place welding without damage to seats and seals..
The MS3000 is a Class V shutoff, heavy duty, metal seated ball valve that is designed for pressure up to 990 psi and temperatures up to 1000F. It is ideal for condensate, steam or gas service.
The 10000 Series soft seat valve is engineered for high pressure applications and has built-in versatility offering a center section capable of accepting flanged, socket weld, butt weld or threaded end pieces. A wide range of seat, seal and body materials are available including Carbon Steel, Stainless Steel, Duplex and many other alloys.
The MS11000 is a robust design to meet higher pressure and temperature applications with metal ball and seal internal trim. The trim is coated with Chrome Carbide using High Velocity Oxygen Fueled (HVOF) process. This coating provides customers with a valve highly suitable for erosive and corrosive service such as found in the Power, Refining and Chemical industries.

Severe Service Valves

Metal seated ball valves designed for use in severe service such as high temperature, high pressure, and abrasive fluids.

The MS3000 is a Class V shutoff, heavy duty, metal seated ball valve that is designed for pressure up to 990 psi and temperatures up to 1000F. It is ideal for condensate, steam or gas service.
The MS11000 is a robust design to meet higher pressure and temperature applications with metal ball and seal internal trim. The trim is coated with Chrome Carbide using High Velocity Oxygen Fueled (HVOF) process. This coating provides customers with a valve highly suitable for erosive and corrosive service such as found in the Power, Refining and Chemical industries.

Specialty Valves

Marwin offers highly engineered specialty valves for severe applications, including high-pressure valves, valves with characterised inserts for precise control of flow and metal seated ball valves.

Steel – Three Piece

Marwin offers a wide range of three-piece ball valves, from economical valves for light applications to metal seated valves for severe applications. A wide range of seat, body and end connections are also available.

Steel – Two Piece Flanged

Split body flanged ball valves, ANSI Class 150 and 300.

Steel - Two Piece NPT & SW

Two piece ball valves with NPT and SW ends, economical and compact design for general industrial and chemical applications.

Two Piece Ball Valves. The 9000 Series is constructed with a one-piece body and threaded end cap which gives maximum structural strength while minimizing the number of potential leak paths through the valve. It can be readily automated with our full line of pneumatic and electric actuators.

Three-Way Ball Valves

Multi-port, 3 way ball valves for diverting and mixing flow patterns – eliminating the need for two valves. Full and reduced port.

Valve Accessories

Along with actuators, Marwin offers valve accessories for your automation needs including solenoid valves, limit switches and valve positioners.

Pneumatic & Electropneumatic Valve Positioners
Solenoid valves are used to operate pneumatic actuators, acting upon electrical signals to admit and exhaust supply pressure to the actuator.
Limit Switches The FMYB & AMYB Series limit switches are accurate and versatile valve position indicators. FMYB NEMA 4 watertight / dust-tight is for general purpose environments and AMYB NEMA 7 explosion proof is for hazardous locations
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