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Model NO.	HC44X
Function	Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form	Rebber Seat
Flow Direction	Bidirectional
Standard	GB
Application	Industrial Usage, Water Industrial Usage, Household Usage
Demension	DN800
Size	DN40
Transport Package	Standard Export Wooden Carton
Specification	CE, ISO9001, ISO14001, SGS, OHSAS1
Trademark	BOHAI
Origin	Tianjin
HS Code	8481804090
Production Capacity	50000PCS/Year

Product Description

Water hammer Rubber disc Swing Check ValveI .Features1, valve disc and body shape design,Improve the flow direction of medium and reduce the flow resistance coefficient2, the structure of the valve using short forms, although the head loss than lift mute check older, but small volume, price cheap3, compact structure, orientation between shaft and guide frame is equipped with nonmetal lubrication, flexible disc lift, won't produce lock phenomenon,4,skeleton rubber sealing ring inlaid on the valve body directly, to avoid the medium directly scour of sealing ring, long time use5, the valve disc opening and closing stroke is short, can effectively prevent the water hammer6. Suitable for water supply and drainage system, high-rise building pipe network, can be installed at the outlet of the pump, the structure is slightly changed, can be used as suction bottom valve, but not for sewage pipe networkII ,Principle Structure1. During the use of the valve, the medium flows in the direction of the arrow shown.2. When the medium flows in the specified direction, the valve disc is opened by the force of the medium;Medium countercurrent, due to the weight of the valve disc and valve disc by the medium reverse force, so that the sealing surface of the valve disc and seat close, to prevent the purpose of media countercurrent.3. The sealing surface of valve body and disc is made of stainless steel.4, the length of the valve structure according to the provisions of GB12221-1989, flange connection size according to JB/T79-1994.III,Performance parameters:

DN	40-800 mm
PN	1.0----1.6 MPa
Suitable temperatur	100 C max
Media	Water, gas, oil.

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FAQ
Q: Are you trading company or manufacturer ?
A: We are factory Located In Tianjin, China.
Q: What's your product range?
A: We produce Butterfly valve, Gate valve, Check valve, Y strainer ,Water Controlling Valve and other Pipe Accessories .
Q: What's Execution Standard?
A: ISO/ANSI/DIN/JIS/ EN/GOST/AS standard.
Q: What's your Strong product ?
A: Centre Line Butterfly valve, Eccentric Butterfly valve ,Resilient Seat Gate valve, and largest size to DN3200 .
Q: How long is your delivery time?
A: Generally it is 10 days if the goods are in stock. or it is 35 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 30% T/T in advance ,balance before shipment.