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Adjustable Water Hydraulic Relief Hold Pressure Valve Flange Connection Long Lifespan

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

Adjustable Water Hydraulic Relief Hold Pressure Valve Flange Connection Long Lifespan

Country/Region china
City & Province shenzhen guangdong
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Product Details

Adjustable Water Hydraulic Relief , Hold Pressure Valve Flange Connection

 

Introduction:

 

The valve from the main control valve and pilot valve exterior components. Mainly be installed in buildings bypass the protection of water supply system, water supply protection areas upstream of the main valve pressure, when given the water in the pressure exceeds the set pressure relief valve, pressure relief valve is open, to prevent the pipeline and equipment damage due to overpressure. This valve is mainly used for high-rise building fire testing cycle pressure relief system is spring- loaded safety valve of the upgrading of products.

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.

 

 

Parameter:

主要尺寸表和重量Main dimensions and weight

DN

(mm)

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

Possible failure and troubleshooting

SymptomFailureRemedy
 No relief or relief instability

Oriented spool stuck

丨 nlet and outlet in the direction of anti

 Pressure have not been adjusted

Removed to adjust Been adjusted

Adjust the pilot valve adjustment screw

 

No holding pressure

Valve body with debris

 Damage to the main valve diaphragm

 Pressure adjustment is not appropriate

 Remove impurities

 Replacement of the main valve diaphragm  Re-adjust the adjustment screw

 Abnormal voice Valve body with debris  Needle is too large to openRemove impurities  Regulating valve

 

安装要求Installation requirements:

1. In Relief / holding pressure valve must be installed before the filter.

2. Adjust the screw on the valve when the conductivity should be out, start the pump allowing water to escape from the pressure relief valve, and gradually screwed into the adjustment screw, the pressure gradually increased. To the desired pressure has been set up. Tighten after it is set nuts.

 

 

Features:

 

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

2. Sensitive, safety relief

3. Slow quick closing valve, water hammer

4. Running smoothly, no noise

5. Life for a long time

 

Main Material:

 

Product Name
Relief , Hold Pressure 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

 

 

 

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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