FLOWSPEC bellows seal globe valve is applicable to cutting off or getting through the medium in various pipelines, such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry, etc. with nominal pressure of PN1.6~16MPa or PN1.6~16MPa and working temperature of 29~350℃.
Characteristics
Reasonable structure, reliable seal, excellent performance and nice design
Sealing surface is welded with Co hard alloy, which is attrition-resistant, corrosion-resistant and has good friction resistant and long service life.
Stem is quenched and tempered, and its surface is treated by nitriding treatment, which has good corrosion resistant capacity and friction resistant capacity.
Double sealing construction has more reliable sealing capacity.
Stem has lifting position indication which is clearer.
Specifications
Structure: BB-BG-SO&Y
Operated: manual, motorized
Design: DIN3356, API600, BS1873, ASME B16.34
Face to face: DIN3202, ANSI B16.10
Flanged ends: DIN2543-2545, ANSI B16.5
Test & inspection: DIN3230, API598
Working pressure: 16bar, 25bar, 40bar, 64bar, class150, class300, class600
Working medium: water, steam, oil
Working temperature: -29~350℃