G3系列固定球阀－Trunnion Ball Valve

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产地：苏州新加坡合作工业园区

规格：G3 2"~32"

公司所在地：江苏苏州

电话：86-512-69367681

19160434

苏州工业园区道森阀门有限公司

联系人：李治东
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地址：苏州新加坡合作工业园区归家巷42号

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详细信息

G3系列固定球阀－Trunnion Ball Valve的简单介绍

三片式阀体设计进口和出口双阻塞泄放功能大枢轴或枢轴板设计，确保球体在高压下具有正确的中心位置，保证阀门良好的操作性能

G3系列固定球阀－Trunnion Ball Valve的详细信息

主要设计特点－Main Designing Features

· 三片式阀体设计

Three pieces body design

· 进口和出口双向密封功能

Seal on up-stream and down-stream sides of valve

· 双阻塞泄放功能

Double block and bleed function

· 大枢轴或枢轴板设计，确保球体在高压下具有正确的中心位置，保证阀门良好的操作性能

A large trunnion or trunnion support design ensures central position of ball under the highest working pressure. This permits ease of operation.

· 球体与阀杆有效接触，性能优越的防静电装置

Grounding device for positive anti-static contact between ball / stem and body

· 2组O型密封圈，加上阀杆上的防火填料结构，可有效防止泄漏

Two set of O-ring seals plus fire-safe packing on the stem efficiently prevent leakage

· 密封剂注入器设计，可在紧急状态下注入密封胶，对阀杆或阀座进行密封

Sealant injection fittings for emergency stem or seat sealing

· 预置驱动装置平台及螺栓孔，可随时装配驱动装置

Actuator mounting surface are machined and drilled, ready for mounting actuator

· 可选择的防火功能

Optional fire-safe function

· 符合NACE规范要求

All ball valves can be supplied in full compliance with NACE MR0175 Standard.

· 带弹簧的浮动阀座设计

A floating seat with spring design is provided.

·低压时阀座在弹簧预紧力的作用下，保证球与阀座间的低压密封

The preload of spring ensures bubble-tight sealing of ball and seat at low pressure.

·高压时阀座唇与球体全面接触，确保阀门的可靠密封性和较低的操作扭矩

At high pressure, the seat lip deflects slightly to ensure full seat-to-ball contact. This results in reliable sealing at high pressure and low operating torque.

主要零件标准材料规范 Standard Material Specification for Main Parts

零件名称	碳钢Carbon Steel	不锈钢Stainless Steel	低温碳钢 Low Temp. Carbon Steel
阀体、端盖 Body, Adapter	ASTM A105 ASTM A216 WCB	ASTM A182 F316 ASTM A351 CF8M	ASTM A350 LF2 ASTM A352 LCB
球体Ball	ASTM A216 WCB / A105+ENP	ASTM A182 F316 ASTM A351 CF8M	ASTM A350 LF2 ASTM A352 LCB+ENP
阀杆、枢轴 Stem , Trunnion	ASTM A105+ENP	ASTM A182 F316	ASTM A182 F304
阀座Seat Ring	Nylon & Glassed Filled PTFE	Nylon & Glassed Filled PTFE	Nylon & Glassed Filled PTFE
阀座支承圈Seat Retainer	ASTM A105+ENP	ASTM A182 F316	ASTM A350 LF2+ENP
枢轴轴承Trunnion Bearing	304 with PTFE Lined	316 with PTFE Lined	304 with PTFE Lined
垫片Gasket	304 Spiral Wound Graphite	316 Spiral Wound Graphite	304 Spiral Wound Graphite
填料Packing	Flexible Graphite	Flexible Graphite	Flexible Graphite
O型密封圈O-Ring Seals	NBR	NBR	NBR
阀座弹簧Seat Spring	17-7PH / Inconel X-750	17-7PH / Inconel X-750	17-7PH / Inconel X-750
螺栓/螺母 Bolts/Nuts	ASTM A193 Gr.B7 ASTM A194 Gr.2H	ASTM A193 Gr.B8 ASTM A194 Gr.8	ASTM A320 Gr.L7 ASTM A194 Gr.4
注油器Injection Fittings 泄压阀Bleed Valve	Stainless Steel	Stainless Steel	Stainless Steel

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联系人：李治东联系电话：86-512-69367681 传真：86-512-69367857 地址：苏州新加坡合作工业园区归家巷42号