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RV277 역류방지밸브(back flow preventer)
Controllable anti-pollution check valve EA type,add-on for pressure reducing valves and filters
제품안내 Product Characteristic
Check valves of this type are particularly suitable for integral use with pressure reducing valves, filters and filter combinations of all types. Check valves are safety devices for independent prevention of water backflow, for example from drinking water appliances back into the central water supply system.They can also be used for industrial, commercial and similar systems where back pressure, back flow and back syphonage must be prevented.The classicfications of appliances to meet these requirements are specified in EN 1717.


Features

• DIN/DVGW-approved.
• Universal application.
• Easy installation.
• Quiet operation.
• Create no shock pressure loadings.
• Meets KTW recommendations for potable water.
• Suitable for installation in any position.
• Low pressure loss
Product Specifications
Application Controllable anti-pollution check valve EA type,add-on for pressure reducing valves and filters
Media Water
Port connection type thread
DN size Male threaded union DN15-DN50 Female threaded union DN25-DN65
Max. media temperature 70°C
Static pressure 25bar
Body material brass
Approvals DIN/DVGW



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주식회사 영 광 건 업 . 대표이사 강 성 도
서울시 구로구 경인로 53길 15 바동 1210호(구로동, 중앙유통단지)
TEL : 02) 2617-9142 , FAX : 02) 2617-9171
사업자등록번호 : 113-81-74938 Question to Email yk@prv.co.kr SINCE 2002.