مُعزز حجم فيشر 2625 الأصلي لصمام التحكم 10.3 بار، سيليكون 3، ألومنيوم، فولاذ مقاوم للصدأ

1. Description A Fisher 2625, 2625SST, or 2625NS volume booster is part of the 2625 Series volume boosters and is used in conjunction with a positioner on a throttling control valve to increase stroking speed. The 2625NS is a nuclear‐service version and uses elastomeric components that better withstand high temperature and radiation environments. The booster incorporates fixed deadband, soft seat construction, and an integral bypass restriction to eliminate positioner

معزز حجم الهواء من فيشر في بي إل - معزز حجم الهواء Vbl-1 Vbl-3 Vbl-4 Vbl-2

1. Description The Fisher VBL volume booster is used in conjunction with a positioner on a throttling control valve to increase stroking speed. The booster incorporates fixed deadband, soft seat construction, and an integral bypass restriction to eliminate positioner saturation problems that can occur with volume boosters that do not have these features. Adjustment of the integral bypass restriction is necessary for system stability. This adjustment does not affect the