手动弹簧式隔阂泵BQG全系列井下防防防手动弹簧式隔阂泵款式有1.5寸手动弹簧式隔阂泵:BQG100/0.4井下防防防手动弹簧式隔阂泵、BQG140/0.3井下防防防手动弹簧式隔阂泵、BQG150/0.2井下防防防手动弹簧式隔阂泵;2寸手动弹簧式隔阂泵:BQG125/0.45井下防防防手动弹簧式隔阂泵、BQG200/0.4井下防防防手动弹簧式隔阂泵、BQG250/0.3井下防防防手动弹簧式隔阂泵、BQG350/0.2井下防防防手动弹簧式隔阂泵;3寸手动弹簧式隔阂泵:BQG320/0.3井下防防防手动弹簧式隔阂泵、BQG450/0.2井下防防防手动弹簧式隔阂泵。