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Slowly Closed Check Valve Flange Connection Adjustable Closing Time Reducing Regulator

Winan Industrial Limited
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Address: No. 18, Fengshun Road, Tongle, Longgang District, Shenzhen City, Guangdong, China

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Winan Industrial Limited

Slowly Closed Check Valve Flange Connection Adjustable Closing Time Reducing Regulator

Country/Region china
City & Province shenzhen guangdong
Categories Valves
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Product Details

Slowly Closed Check Valve Flange Connection Adjustable Closing Time

 

Introduction:

 

The product for high-rise, high-rise building design, students used to solve high-rise building live water, fire water system, required flow, high sensitivity, low flow resistance, only back to good sealing effect, requiring the occasion does not produce water hammer. Together with the design of the product management, and long life.

This vavle is suitable on system such as petroleum, chemical industry, foodstuff, medicine, papemaking, water and electricity, shipping, plumbing, the smelting and sources of energy etc the pipe route. Can regard on gas, liquid, semifluid as well as solid powder pipes and power lines and the container of many kinds of corrosiveness and non-corrosiveness adjusts and dams a river the equipment use. Especially extensively being in high layer of building fire protection system reaches other to show in the pipes and power lines system of valve of vavle switch state.

The valve is used to cover the surface of the gate of high quality rubber, the bottom of the valve design without grooves, so it has good elasticity, long life, no leakage, small flow resistance, prevent dirt accumulation caused by leakage or damage and other characteristics. The inner cavity of the valve body for spraying, use for a long time without corrosion and rust generated, effectively prevent secondary pollution, product without pollution. Widely used in food, medicine, to the field of water supply and drainage engineering, construction, fire and other for in liquid medium piping and equipment, as the dosing and opening.

 

 

Parameter:

 

Main dimensions and weight

DN

(mm)

LHH1重量(kg) Weight
502349832018
6524011541022
8028513143030
10032514548055
12534516053570
15039518560080
200470160675110
250575180720210
300640200820300
350645225860350
400970750950380
 

 

Features:

 

1. The new structure is reasonable, rational use of hydraulic principles of control theory.

2. Work stable and reliable, the flow of traffic.

3. Slow quick closing valve, water hammer (the closing time adjustable).

4. Reducing regulator, high precision, adjustment range.

 

Main Material:

 

Product Name
Slowly Closed Check Valve
Material
Cast Iron, Ductile Iron, Stainless Steel, Carbon Steel
Color
Blue, red, purple or customer require
Standard
API609, AWWA C504, DIN3354 F4, GB/T12238, JIS 10K, BS5155
Connection
Flange
Media
water, gas, oil etc.
Size
2''-- 16''
Certificate
ISO9001-2008

 

Possible failure and troubleshooting

SymptomFailureRemedy
 Close not lax or not close

 Anti-installed inlet and outlet direction 

Damaged main valve diaphragm

Small valve damage Valve is not open 

Valve body of a foreign body

Been adjusted

Replacement of the main valve diaphragm  Small check valve replacement

Open the valve 

Clean-up

 Abnormal voice

Valve body with debris 

Closing speed is unreasonable

 Remove impurities

Opening degree adjustment valve

 

Installation requirements:

1. In the relief valve must be installed before closing muffler filter.

2. The installation should pay attention to the arrow mark direction of the body. To facilitate maintenance, should leave some space around the valve.

3. Should be able to turn off the water to ensure maintenance of valve position when the path to install the appropriate cut-off valve.

 

 

FAQ:

 

Q1. What is your payment term?
A: T/T 30% down payment, balance to be paid before shipment. or L/C.

Q2: What is your main market?
A: Western Europe, North America, Janpan,,

Q3: Can I get samples from your factory?
A: Yes, sample is free, but the express charge is yours.

Q4: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.

Q5.Are you manufacturer or trading company?
A.We are manufacture(cast iron) and trade company.

Q6. what’s the payment term?
A. We accept T/T, L/C,WESTERN UNION

Q7. What’s the delivery time ?
Pattern needs 30-60 days, sample need 30-50 days.
The first order need 60 days

Q8. What is the standard of package?
A. Export standard package or special package according to customer requirement.

Q9. Do you accept OEM business?
A. Yes, we are OEM supplier.

Q10. what kind of certificate you have ?
A .We have ISO9001, ISO14001,PED,SGS

 

 

 

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