Backflow Preventers
Basic informationThis underground gate valveis used as a two-way closed circuit device.Features1. No need for sluice Wells, which reduces the amount of installation work;2. Does not affect the traffic, and underground parts of the integration, effectively prevent theft;3. Stem has a special extendable structure, which can effectively prevent the ground from sinking;4. Long life, no internal leakage.PrincipleThis valve uses the form of pin coupling to transfer the sensor force existing in the gearbox and transmission shaft buried in the ground. The telescopic drive rod is extended until it is installed in the underground bonnet. This layout and approach ensure that work is done properly and efficiently.Installation and CommissioningConnect theunderground butterfly valvewith the water supply pipe, extend the expansion drive rod to the set height, tighten the expansion limit device to maintain the extension height, backfill the pipe groove, tamp and make cement pier foundation, put the valve box plate on the cement foundation, place the valve box cover, lay the road surface and make the valve box cover equal to the road surface. For specific use, please consult ZECO Valve Group.Product scope, Standards & MaterialsSize Range: 2"~12"Pressure Rating: 10bar ~ 25barFace to Face Dimensions: AMSE B16.10, EN558-1Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2Coating: Fusion Bonded Epoxy CoatingInspection and Test: ISO 5208 / EN 12226-2
ZECOis one of the most professional china check valve manufacturers, and we have been devoted to produce valve chinafor many years. If you want to know more details or want a quotation, just feel free to contact us!
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
6 Inch Ball Valve | Description of 6 Inch Ball Valve: ZECO Valve Group is a well-known ball valve manufacturer in China.Since its establishment in 1991, it has been pr... |
 |
Pressure Reducing Valve | It adjusts and controls the outlet pressure of the main valve to enable the outlet pressure of the main valve not vary with inlet pressure, enable ... |
 |
3 Inch Butterfly Valve | Description of butterfly valve 3 inch: ZECO 3 inch butterfly valve is a small diameter butterfly valve, usually manually operated, and the connect... |
 |
Backflow Preventers | Basic informationThis big dirt separatorvalve is used for water purification.Features1. Easy to operate；2. No water stop is required to clean the c... |
 |
Backflow Preventers | Basic information This bronze adjustable dynamic flow balancingvalve is required to maintain the flow of these pipes or end equipment at all times ... |
Похожие товары
 |
"High-reliability Support ring Y10-4 for power station | Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "High-reliability Support ring Y10-4 for power station Deyang YOYIK have power plant professional... |
 |
"Wear Resistance dn50 globe valve WJ25-F1.6P for thermal power plant | Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "Wear Resistance dn50 globe valve WJ25-F1.6P for thermal power plant YOYIK professional productio... |
 |
High-efficiency Superheater outlet plug valve SD61H-P61305V SA-182 F92 for power generation | Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "High-efficiency Superheater outlet plug valve SD61H-P61305V SA-182 F92 for power generation Deya... |
 |
Automated Sealing gasket for corrugated pipe shut-off valve KHWJ25F3.2P for power station | Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "Automated Sealing gasket for corrugated pipe shut-off valve KHWJ25F3.2P for power station Is a m... |
 |
Class 1500 LB gate valve | Продавец: China LiCB AC DC EV Charger Co., Ltd | Product Name: Low-EmissionPacking Setfor Class 1500 LB API 6D Gate ValveModel: M600Size: ID 68 mm... |
