The regulators have a unit construction. In a sealed tank, with pressure relief device, oil sight gauge, superior connection for press filter, valve of drain, oil sampling device and stainless steel nameplate etched in low relief.

• 调压器有一个带有卸压装置和油量观测计的独立结构被密封在槽内；这样的配置使压力过滤器；排水阀；油取样设备和不锈钢标示牌不容易被侵蚀.