Product Overview

The MKHP420 is a two-way ball valve made of steel, designed for industrial fluid control applications. It is available in nominal sizes DN32 to DN50 (1 1/4" to 2"). The valve features steel body, ball, and stem components, with POM ball seats and NBR or FPM O-rings, supporting operating temperatures from -20°C to 100°C.

Material Specifications

• Body, Ball, Stem: Steel
• Ball Seats: POM (Polyoxymethylene)
• O-rings: NBR (Nitrile Butadiene Rubber) or FPM (Fluoroelastomer)
• Temperature Range: -20°C to 100°C

Connection Types and Standards

The valve supports multiple connection standards and thread types, including:

• DIN ISO 228 Female thread
• ANSI B1.20.1 NPT Female thread
• DIN 2353 / ISO 8434-1 Light and Heavy series
• SAE J514 / ISO/DIS11926-1 Female thread
• Other connections available on request

Available Sizes and Dimensions

Dimensions vary depending on connection type (DIN, NPT, ISO, SAE).

Pressure Ratings

The valves are rated for PN 420 bar pressure class, with specific pressure ratings depending on the connection type and material combination. Users should verify pressure ratings especially for tube connections.

Accessories and Options

• Locking devices
• Actuators
• Mounting holes
• Position switches
• Combination options
• Detent mechanisms

Assembly and Mounting

The valves comply with ISO 5211 for actuator mounting, featuring standardized assembling threads:

• DN32, DN40, DN50: SW 17, LK 50, M6 thread, 8 mm thickness, 45° rotation, ISO5211 F05 flange

Ordering Information

Each valve variant is identified by a specific order code reflecting size, connection type, and material combination. Stock availability is indicated for common variants.

Critical Notes and Recommendations

• Verify pressure ratings for tube connections before ordering.
• Temperature limits must be respected (-20°C to 100°C).
• Material combinations affect sealing and compatibility; select O-ring material (NBR or FPM) based on application requirements.
• Accessories should be specified at order time to ensure compatibility.