Q641FPneumatic Floating Ball Valve

Product Overview

The Q641F Pneumatic Floating Ball Valve is widely applicable for automatic fluid control or regulation in industries such as natural gas, petroleum, chemicals, metallurgy, papermaking, power generation, mining, printing and dyeing, biopharmaceuticals, daily chemicals, food and beverage, water treatment, and air processing. It is used in conjunction with automated pneumatic instruments.

Product Performance Specifications
Pressure Rating Nominal Pressure (MPa)
1.6 2.5 4.0 6.4 10.0
Test Pressure (MPa) Shell Test 2.4 3.75 6.0 9.6 15.0
Seal Test 1.78 2.75 4.4 7.04 11.0
Air Seal Test 0.6 (MPa)
Applicable Media Water, Steam, Petroleum, Liquefied Gas, etc.
Technical Specifications
Design Basis GB Standard
Design Standard GB/T12237
Face-to-Face Dimensions Flange Connection GB/T12221
Connection Flange Dimensions GB/T9113, JB/T79
Testing and Inspection JB/T9002
Main Component Materials
No. Component Name Material
C P R
1 Right Valve Body WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
2 Nut 35 1Cr18Ni9Ti 1Cr18Ni9Ti
3 Gasket PTFE PTFE PTFE
4 Stud 35 1Cr18Ni9Ti 1Cr18Ni9Ti
5 Valve Body WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
6 Valve Seat PTFE PTFE PTFE
7 Ball 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12MO2Ti
8 Stem 1Cr13 1Cr18Ni9Ti 1Cr18Ni12MO2Ti
9 Gasket PTFE PTFE PTFE
10 Packing PTFE PTFE PTFE