⊙main constructural features
1、resonablle construction, reliable sealing, excellent performance and nice appearance.
2、Sealing overlaid with Co kentanium, which is resistant in abrasion, corrosion friction and can be used for a long time.
3、Stems are hared ,tempered and nitrogen treatment, it got functions of corrosion resistant and fraction resistant.
4、Spare material, flange and Bw ends dimensions/sizes are available according to actual conditions or customer’s requirements.
⊙ technical specification
structure     BB-BG-OS & Y
drive mode              Hand-operated
design standard         BS1873
face to face            JIS B2002
connection flange       IS B2210~B2216
test and inspection     API598