The image shows the ALV-TROL logo in blue, with a stylized circuit design on the left and a round icon of a train in the letter "O." The text "SINCE 1947" appears underneath.
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Valve Options, Modifications, and Custom Designs

Specializing in standard and custom high-pressure valves for water hydraulics and other high-pressure water systems.

Valv-Trol engineers high-pressure valves with options and modifications to match your exact system. Choose higher pressures, special fluids, flanged ports, custom materials, or faster shifting. Built for dependable performance in the toughest applications.

Two metal cylindrical machine components with black and silver finishes, each featuring a main shaft and a smaller attached cylinder, are shown against a light, partially watermarked background.

Heavy-Duty Clevis Assembly

Standard (left) vs. Heavy-Duty (right)

Four different industrial sealing rings of various colors and materials are arranged in a semi-circle on a plain, light-colored background.

Standard Cup Packer

And Header Ring (Front), Low Pressure Seal (Left), and HD Polyurethane Seal with Bronze Cage and Header

Two gray industrial gas burners with circular tops and cylindrical bases are placed side by side against a plain white background.

Reinforced Actuator

Housing (Left) vs. Standard Housing

POPULAR CUSTOMER REQUESTS INCLUDE:

  • Private-label valve production
  • Heavy-duty clevis assembly with larger-diameter clevis pin
  • SAE straight thread, Autoclave Engineers, or BSP ports
  • Match-mounted body for direct machine bolting
  • Special seals: Viton, PU, or other severe-duty materials
  • Reinforced diaphragm actuators
  • Anti-corrosion treatment for steel bodies
  • Higher pressure ratings (6,000–30,000 PSI)
  • Flanged ports with ANSI raised-face flanges (all classes)
  • Stainless steel, aluminum bronze, or carbon steel bodies
  • Hard-chrome-plated moving parts
  • Hardened seating surfaces (e.g., carbide disc inserts)
  • Hydraulic or pneumatic cylinder actuation

CUSTOM DESIGN EXAMPLES

A close-up view of an industrial hydraulic valve with a black and metallic body, multiple bolts on top, and a visible manufacturer label on its side. The background is plain and partially features a faint company watermark.

3-Way Valve

1/2", 20,000 PSI, Cylinder Operator, Stainless Steel Body with Autoclave Engineers Ports

Industrial valve actuator with a round, dome-shaped top and a square metallic base, displayed against a light background with faint "VALTROL" branding partially visible behind the device.

2-Way Valve

1/2", 20,000 PSI Stainless Steel Body with Autoclave Engineers Ports

A metal hydraulic or pneumatic valve block with multiple ports and bolts is shown against a plain light background. The component appears industrial and is rectangular in shape.

1”, 10,000 PSI

Dual PO Check Valve

An industrial control valve with a blue actuator mounted on top and four flanged pipe connections, displayed against a light background with a faint watermark and rounded corners.

2”, 7,500 PSI

2-Way Valve with Grayloc Connections

Three industrial hydraulic or pneumatic actuators with black and gray casings, red circular ports, and yellow labels are arranged in a row in front of a metal chain-link fence.

1-1/2”, 6,000 PSI

3-Way Diverters with Cylinder Operators

A man wearing a beige shirt is kneeling on the ground while working with a large industrial metal component, which is resting on a wooden pallet indoors. A blue industrial container is visible in the background.

6”, 4,200 PSi

Flow Control Valve with 8” Flanges

A pneumatic actuator with a round metal top cover, attached pressure gauge, and control components, displayed against a light background with a faint VALVROL logo behind it.

2”, 3,000 PSI

2-Way Valve with Positioner

A black industrial tool with a rectangular body, cylindrical components, and blue circular accents is shown against a plain light background. The tool has various protruding parts and appears to be a machine part or attachment.

1”, 30,000 PSI

Check and PO Check Valve Assembly

A close-up view of a metallic industrial valve actuator with visible bolts and an attached wire, set against a light background with a faint Valvrol logo and branding.

1”, 4,500 PSI Flow

Control Valve with Motor Drive

A gray industrial control valve actuator with a circular top and cylindrical base, displayed against a plain light background with a faint watermark.

1”, 10,000 PSI

2-Way Valve with Stainless Steel Body

A metal hydraulic fixture with two blue vertical cylinders mounted on top of a rectangular silver base, which has multiple ports and openings, positioned on a light background.

1/2", 18,000 PSI

Four-Valve Manifold

A cylindrical industrial component with two large openings and three circular flanges, made of metal and painted light blue, set against a plain light background.

8”, 150 PSI

3-Way Diverter

A metallic industrial valve actuator with a blue cylindrical top section, control components attached, and a brass-colored lower body. The background is light with a faint watermark logo reading "WATROL SINCE 1947.

2”, 3,000 PSI, 3-Way

Valve with Air Regulator and Mounted Solenoid Valve

A cylindrical industrial valve actuator with a metallic body and a round, dark top is shown against a plain light background. The actuator has ports and bolts visible on its surface.

10,000 PSI

Pressure Reducing Valve-- Stainless Steel Body

A close-up of an industrial valve actuator mounted on a valve, with shelves containing tools, parts, and various equipment in the background. The actuator has a cylindrical, metallic housing.

Air Cylinder/Spring

Return Actuator on 3” Valve

A black and metallic cylindrical mechanical tool with drilled holes, shown in two separate parts, placed on a plain light background.

5”, 4,500 PSI

Flow Control Valve Sleeve and Spool

Industrial valve actuator with a cylindrical top section, wiring or pipe connections, and mounted on a rectangular base, displayed against a light background with a faint company watermark.

3”, 4,500 PSI

Flow Control Valve with Cylinder Operator, Servo Valve, and Position Feedback