Metal Seat Knife Gate Valve

Model

Series

Knife Gate Valve

Product Description

This is designed according to the MSS SP-61,81(Class 150LB) and MSS SP-135(Class 150LB, 300LB)
General knife gate valves are designed to be suitable for the control of fluids of large particles such as dregs, sediments, etc.

In addition, this is of a metal seat type, so there are an allowed criterion for water leakage and a direction, and thus the installation direction shall be considered when installing a valve. Metal seat knife gate valve of Donghae Co., Ltd., manufactured according to the MSS standard, shall not exceed the maximum leakage allowance of 40ml/min/NPS(1.6ml/min/DN) for the pressure of 40psi(2.8bar).

The customers shall discuss with Donghae Co.,Ltd. to determine valve construction according to the fluid used and the installation environment.

DESIGN

MSS SP-61,81
MSS SP-135
Flange Standard ASME B16.5, Class 150LB/300LB.
Combination of half circle blade-type gate and Metal seat.
Bonnet type and Bonnetless type allows various operations.

PRODUCTS FEATURES

Designed to apply to residue, paper sediment, and corrosive liquid.
Perfectly controls flow of liquid through the knife processed with a certain straightness

SPECIFICATIONS

Standard : MSS SP-61,81,135 ASME B16.5
Size : ANSI 150#/300# 2"~48"
JIS 10K/20K 50A~1200A
Material : A536, A216-WCB, LCB, A351-CF8/CF8M, A351-CF3/CF3M, CG-8M CD4MCU, Titanium, Etc