Wedge Gate Valve

1 BodyAvailable both in cast and forged steel, it has been designed to meet all the requirements of ASME, API and British StandardsThe body-bonnet connection is made by a pressure seal gasket. Its pre-stress condition is achieved by means of bolts screwed to the bonnet flange.Ends are normally butwelding although they can be also flanged on request.All bodies are provided with integrally cast bosses, located and sized in accordance with ASME B16.34, which allow the provision of drain and by-pass connections, supplied on request.2 BonnetUsually constructed in the same materials as the body, being designed so that the wall thickness always exceeds the requirement of API 600.A back seat bush (13) is fitted inside the bonnet lower cavity, to provide a closure when de valve is fully opened. This permits the valve to be repacked while in service.The bonnet has a deep stuffing box in which packing rings are placed.Stuffing box is designed with sufficient space to allow lantern ring to be fitted.3 WedgeThe wedge is normally constructed in forged stainless steel for diameters up to 3", and in cast steel for larger sizes.Wedge is commonly flexible, though it can be also solid. Guides are carefully machined for a smooth sliding in the body cast-in guides.Contact faces are overlayed with stellite-6 (2 mm. ominimumn. thickeness).4 HandwheelThe handwheel can be supplied either in cast construction of fabricated from steel tube.The handwheel is designed to allow easy operation of the valve. Other types of control are available and, in some cases, are indispensable for a good operation, for instance:Chain wheelGear operatorHammer handwheelGeared hammer handwheelElectric actuatorElectro-hydraulic actuatorPneumatic actuator


在线询价

至: China Fagong Valve CO., Ltd
Your E-mail:
消息正文:


Send to other suppliers

Other supplier products

供应产品

Same products

塑料拉丝机
塑料拉丝机 卖方: 青岛卓亚机械制造有限公司 塑料拉丝机是青岛卓亚机械制造有限公司的主要产品之一,经过多年的研究与试验,现已成功研发出具有国家先进水平的塑料圆丝拉丝机机组。设备具有塑化好,产量大,设计合理,精度高,零件选用优质材料,稳定性好...
Polyester spiral dryer fabircs
Polyester spiral dryer fabircs 卖方: HEBEI QIANGHUA MESH INDUSTRY CO.,LTD Polyester spiral belt /polyester spiral mesh /polyester spiral fabric made from first-class ...
卖方: Taizhou Huangyan Aoxu Mould Technology Co., Ltd
卖方: Taizhou Huangyan Aoxu Mould Technology Co., Ltd
卖方: Taizhou Huangyan Aoxu Mould Technology Co., Ltd