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 |