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Keystone F86 Swing Type Check Valve

Keystone F86 is a high-capacity, spring-loaded wafer-style swing check valve engineered by Emerson, specifically designed to prevent backflow in a wide range of industrial, municipal, and commercial fluid systems. With a lightweight yet robust design, excellent flow capacity, and slam-free operation, this valve delivers reliable performance in pump systems, chemical processing, water treatment, and other demanding applications, ensuring system safety and efficiency.


Details

Features

1.Lightweight, wafer type check valve with face-to-face dimensions according ISO 5752, table 5 long

2.High flow capacity featuring a special shaped disc with a large opening angle resulting in high Kv values

3.Spring loaded disc for positive shut-off

4.Choice of cast iron or stainless steel body types

5.Field replaceable O-ring seat

6.Internal travel stop prevents the disc from slamming against the pipe

7.Excellent low pressure shut-off The standard low pressure shut-off is less than 0.1 bar (10 kPa)

8.Slam free operation

9.Optional heavy spring for slam free operation in systems with high decelerations

10.Optional light spring for systems with low line velocities

11.Optional adjustable travelstop for system with reduced inner diameter pipe


Specifications

Sizes (DN)

40 - 300

Temperature (°C)

-40 to +300

Pressure (bar/kPa)

16 / 1600

Flange acc.

PN 6/10/16/25

ASME 150/300

AS 2129 C, D & E (multi)

JIS 5/10/16/20/30



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Pictures show



Application area

能源

化工

矿业