Isolating valve for heating systems, district heating, cooling and industrial purposes. Water, air and other media not decomposing the steel. If in doubt, please contact BROEN Ballomax® Sales Department.

6分=3/4英寸=dn20. 8分= 1 英寸=dn25. 扩展资料： 阀门的分类： 按动力分： 1、自动阀门：依靠介质自身的力量进行动作的阀门。如止回阀、减压阀、疏水阀、安全阀等。 2、驱动阀门：依靠人力、电力、液力、气力等外力进行操纵的阀门。

Mar 1, 2025 · Siemens Industry Catalog - Building Technologies - HVAC products - Valves and actuators - Globe and pressure independent control valve (PICV) - Threaded pressure independent control valves - Pressure independent control …

These single-seated valves are suitable for use in conjunction with the modulating control of hot / chilled water in closed heating, ventilating, and air conditioning systems.

Mar 1, 2025 · VPI46.20F1.4Q - Combi valves, internally threaded, PN25, DN20, 220…1330 l/h, pressure test points; mySiePortal

Straight type, Nodular Cast Iron body, metal seated globe valve with non-rising bellow sealed stem and bolted bonnet. Raised face flanges.

PN25 [° C] 0 50 100 [bar] 150 200 30 Operation Area 3 Sluice Plate ** Sizes DN20 - DN 100 Product Number 1221.0200-1221.1000 Material Specification AISI 1074, W.-Nr. 1.1248 Description and Features TONISCO® Hot Tapping Valves are designed to create new branches to weldable district heating and cooling lines and to pipelines

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Siemens Acvatix Valve Kit, PN25 SAVK.. For use in rooms , zones and air conditioning systems. This product is used in closed circuits • DZR brass body • Full bore isolation valves with extended handles for supply, return and bypass • Drain cock with strainer • Orifice plate for the flow measurement with an accuracy of ± 5%

May 27, 2012 · 球阀上的DN20指的是公称通径或口径是20mm，PN25指的是公称压力25MPa。 球阀参数： 1、公称压力或压力级：PN1.0-32.0MPa、ANSI CLASS 150-900、JIS10-20K；