YG13/43H high sensitivity steam pressure reducing valve
- sell：021-32051999
- sell：021-32050777
- fax：021-66099555
Details
- Product Introduction
- Service Promise
- Ordering Process
The YG13H/Y and YG43H/Y high sensitivity steam pressure reducing valves belong to the pilot piston type pressure reducing valve. It consists of two parts: the main valve and the pilot valve. The main valve is mainly composed of valve seat, main valve disc, piston, spring and other parts. The pilot valve is mainly composed of valve seat, disc, diaphragm, spring, adjusting spring and other parts. By adjusting the spring pressure, setting the outlet pressure, using the diaphragm to sense the change of outlet pressure, and driving the piston through the pilot valve to adjust the throttle area of the main valve, the function of reducing pressure and stabilizing pressure is realized. On the basis of ordinary pressure reducing valve, the high sensitivity steam pressure reducing valve has made the following improvements: enlarging the piston area, changing the throttle structure, changing the sealing form, improving the guide valve structure and regulating spring form, thus improving the performance of the product from the following aspects.
1. It improves the sensing efficiency of the outlet pressure change, improves the sensitivity, and greatly reduces the pressure deviation caused by the upstream pressure change, the flow rate change and other factors.
2, streamline distribution is improved and noise reduced.
3, improved the sealing surface structure and extended the life of the sealing surface.
High sensitivity steam pressure reducing valve is mainly used in steam pipeline, suitable for steam pipeline with large inlet pressure change and large flow change.
Main technical parameters
公称压力(Mpa) | 1.0 | 1.6 |
壳体试验压力(Mpa)* | 1.5 | 2.4 |
密封试验压力(Mpa) | 1.0 | 1.6 |
MAX进口压力(Mpa) | 1.0 | 1.6 |
出口压力范围(Mpa) | 0.04-0.6 | 0.04-1.0 |
压力特性偏差(Mpa)△Pp2P | GB12246-1989 | |
流量特性偏差(Mpa)P2G | GB12246-1989 | |
MIN压差(Mpa) | 0.05 | 0.07 |
渗漏量 | GB12245-1989 | |
*: shell test does not include diaphragm and top cover.
Material of main parts
零件名称 | 零件材料 |
阀体 阀盖 底盖 | WCB |
阀座 阀瓣 | 2Cr13 |
缸套 活塞 | 铝铁青铜 |
膜片 | PH15-7Mo |
活塞环 | 对位聚苯 |
导阀座 导阀瓣 | 2Cr13 |
主阀弹簧 | 50CrVA |
导调主弹簧 | 50CrVA |
调节弹簧 | 60Si2Mn |
DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
Cv | 1 | 2.5 | 4 | 6.5 | 9 | 16 | 25 | 36 |
公称通径 | G | L | H | H1 |
15 | 1/2" | 140 | 160 | 65 |
20 | 3-4" | 140 | 160 | 65 |
25 | 1" | 160 | 168 | 68 |
32 | 1-1/4" | 180 | 185 | 75 |
40 | 1-1/2" | 200 | 185 | 78 |
50 | 2" | 230 | 193 | 88 |
公称通径 DN | 外 形 尺 寸 | 连 接 尺 寸 | |||||||||||
L | H | H1 | PN 1.0MPa | PN 1.6MPa | |||||||||
D | K | n-ф | d | C | D | K | n-ф | d | C | ||||
15 | 140 | 160 | 65 | 95 | 65 | 414 | 45 | 12 | 95 | 65 | 414 | 45 | 14 |
20 | 140 | 160 | 65 | 105 | 75 | 414 | 55 | 14 | 105 | 75 | 414 | 55 | 14 |
25 | 150 | 168 | 68 | 115 | 85 | 414 | 65 | 14 | 115 | 85 | 414 | 65 | 14 |
32 | 180 | 185 | 75 | 135 | 100 | 418 | 78 | 16 | 135 | 100 | 418 | 78 | 16 |
40 | 180 | 185 | 78 | 145 | 110 | 418 | 85 | 16 | 145 | 110 | 418 | 85 | 16 |
50 | 200 | 193 | 88 | 160 | 125 | 418 | 100 | 16 | 160 | 125 | 418 | 100 | 16 |
65 | 230 | 208 | 98 | 180 | 145 | 418 | 120 | 18 | 180 | 145 | 418 | 120 | 18 |
80 | 260 | 228 | 117 | 195 | 160 | 418 | 135 | 18 | 195 | 160 | 818 | 135 | 20 |
The best quality, first-class service Qigao creates more value for you!
"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:
Product Standards：
Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.
pre-sale service：
Product introduction, technical exchange, non-standard product design, troubleshooting。
Sale service：
A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.
After sales service：
1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).
2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.
3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).
4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.
1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.：
a、Structure length；
b、Connection Type；
c、Nominal diameter, full diameter, reduced diameter, pipe size;
d、Operating medium and temperature, pressure range；
e、Tests, inspection standards and other requirements
2、The factory can configure various types of driving devices according to customer's specific requirements.。
3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.
4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.
Order Process：
1、Customer purchase list fax to021-33872143，Or call us 021-33872141
2、Receive customer purchase list, provide valve model selection and quotation (price list)。
3、Specific agreement: delivery date, special requirements, etc.。
download Google：
1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.：
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2、The factory can configure various types of driving devices according to customer's specific requirements.。
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3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.
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4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time.， The rest of the payment will be remitted before shipment to arrange delivery in time.。
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Sale service：
Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。
For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.
After sales service：
1、"Qigao" product quality period is from the factory12Month, practice“Three packs”Service (return, replacement, warranty)。
2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.，
In order to further improve product quality。
3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。
4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。
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