Product Description

The bonnet packing chamber of Water Seal Gate Valve has a water seal structure. When the pressure of 0.6 to 1MPa water through the inlet, it can isolate the system from the atmosphere isolation to ensure that the system has good air impermeability.

Product Detail

Customized Water Seal Gate Valve From Our Factory with High Quality in China
1.Introduction of Water Seal Gate Valve

The bonnet packing chamber of this product has a water seal structure. When the pressure of 0.6 to 1MPa water through the inlet, it can isolate the system from the atmosphere isolation to ensure that the system has good air impermeability.
The medium is water, steam, oil field and non-corrosive gas as opening and closing device, especially suitable for steam turbine vacuum condensing system in thermal power plant.


2. Features of Water Seal Gate Valve

The valve adopts double ram bidirectional elastic seal, so the seal is reliable.
There are two kinds of valve connection: flange and welding, and two kinds of driving mode: manual and electric.
The valve is used as an opening and closing device on the pipeline, and must be in a fully open or fully closed state, and shall not be used for regulating flow.


3. Technical Data of Water Seal Gate Valve

Test Pressure
Nominal Pressure(Mpa)
1.0 1.6 2.5 4.0 6.4 10.0
Shell Strength Test
1.5 2.4 3.8 6.0 9.6 15.0
Seal Test
1.1 1.8 2.8 4.4 7.0 11.0
Back Seal Test
1.1 1.8 2.8 4.4 7.0 11.0
Air Seal Test
0.5-0.7


4.Factory 



5. Packaging and Delivery


6. FAQ

1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997


7.Contact Information

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