Safety Valves Made In China With Good Quality DN25

Safety Valves Made In China With Good Quality DN25 System 1

Safety Valves Made In China With Good Quality DN25

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 set

Supply Capability:: 5000 set/month

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1.Specifications:

（1）TS Certificate with A level:There are less than 30 enterprises approved in China.

（2）ISO9001;2001 Certificate;CE Certificate

（3）23years’ experience

（4）Export to many countries and keep a long-term cooperation with our customer

（5）Every valve has 12months guarantee.

2.Safety valve Feature:

（1）Standard:GB,DIN,ANSI are available.

（2）Medium: air,water,or equivalences

（3）Main material:Cast steel,carbon steel and stainless steel ect

3.Detail Show

working temperature: A42Y-16C/25/40 ≤300°C

A48Y-16C/25/40C≤350°C

A42Y-16C/25/40≤300°C

A42Y-64/100≤300°C

A48Y-64/100≤350°C

A42Y-64/100P≤200°C

Size:1/2" -24" or DN 15-DN600

Pressure: Class150LB-2500LB or PN16-PN160 or 10k-40k

Material: A105,LF2,F11,F22,F5,F304,F316,F304L,F316L(1/2 -2 )

WCB,LCB,WC6,WC9,C12,C5,CF8,CF8M,CF3,CF3M (2 -24 )

Design & Manufacture Std.: DIN 3356.

Face to Face Std.:DIN3202 .

End Connection Std.: DIN2543-2545.

Test Standard: DIN3230.

A PRODUCT DESCRIPTION

Surface safety valve with control sensing system for shutting off the hydraulic oil flow.

It is used in oilwell, when oil and gas leakage , case of fire or other emergency.

Because of different of drive source, SSV can divided into Hydraulic safety valve and pneumatic valve ; With thermal and high voltage explosion-proof device ; Actuators and prepare two parts of the valve, standard interface, easy replacement and maintenance .

4. TECHNICAL PARAMETERS

Work pressure	2000PSI~20000PSI
Nominal diameter	1.13/16"~7.1/16"
Work medium	oil, gas,mud, gas with h2s and co2
Work temperature	LU ( -46°C~121°C)
Material class	AA,BB,CC,DD,EE,FF,HH
Specification class	PSL1~4

Performance class

PR1~2

5.Impulse safety valve usage

This valve is used for power plant boilers, pressure containers, pressure and temperature reducing device and other facilities. It serves to prevent the pressure exceeding the highest allowable pres-sure value and ensure the safety of the device when working.

6.Impulse safety valve structure briefing

（1）The pressure of the disc is balanced through the lever and heavy hammer and the valve is ensured seal by moving the for ton of heavy hammer and changing the weight of heavy hammer to reach the required set pressure.
（2）The sealed surface is made of Fe base stainless steel by overlaying welding. Through thermal treatment, the wear resistance and anti-erosion of disc is improved.
（3）At the top of valve is equipped an electromagnet to open and another to close the valve. The actions of the mechanism and the electric appliance are separate and will not affect each other.

7.Impulse safety valve installation instruction

（1）This valve shall be used with main safety valve A49H-4 to-gather.
（2）Impulse safety valve shall be installed vertically and the lever shall be kept level. The clearance from the lever to both sides of guide fork shall be even.
（3）The pipeline shall be washed clean before installing impulse safety valve.
（4）A long distance between the leading pipe of the impulse safety valve and the inlet pipe of the main safety valve shall be kept. And the distance between the electric contact pressure meter and the inlet pipe of the main safety valve shall be no less than 5 times of the diameter of the inlet pipe, for feat that the validity of the mater and the impulse safety valve may be affected by the steam releasing process of the main safety valve.

8.Main safety valve usage

This valve is used for power plant boilers, pressure containers, pressure and temperature reducing device and other facilities. It serves to present the pressure exceeding the highest allowable pres-sure value and ensure the safety of the device when working.

9.Main safety valve structure briefing

1,When the medium pressure rises to the set pressure, the in-pulse safety valve opens, and the medium in the impulse pipe enters into the piston chamber of the main safety valve from impulse pipe, forcing the piston to descend, and then the valve automatically open-s; when the impulse safety valve closes, the disc will slash automatically close.
2,The sealed surface is made of Fe base stainless steel by over-laying welding. Through thermal treatment, the wear resistance and anti-erosion of disc so improved.

10.Main safety valve installation instruction

1,The main safety valve shall be installed vertically at the highest. position of the device.
2,The main safety valve shall be fastened upon the gallows, which sustains the back-seat force produced in the steam discharging process of the main safety valve.
3,The exhaust pipe shall contain a special gallows to prevent the force of its weight directly applying on the main safety valve. The connecting Lange At the lowest point of the exhaust pipe, water drainage shall be taken into consideration to avoid producing water hammer while discharging set between the main safety valve and exhaust pipe shall eliminate any extra stress.
4,At the lowest point of the exhaust pipe, water drainage shall be taken into consideration to avoid producing water hammer while discharging steam.

Safety Valves Made In China With Good Quality DN25

Q:What are the laws and regulations of hardware?: Hardware laws and regulations: first, the national quality standards. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations. Safety standards, this must be strictly enforced legal norms. Is the hardware must ensure the safe and reliable use, safety accidents caused by quality factors cannot, if the quality safety accidents caused, the producer must undertake the corresponding administrative or criminal liability. The laws in this respect are mainly safety production law, quality law, consumer law, and so on. More general, but more formal. The hardware of national quality supervision and testing: China commissioned by the national certification and Accreditation Administration of the national metrology accreditation review group on building materials, through the certification supervision and expansion of the assessment of national building material industry hardware plumbing product quality supervision and testing center. Even Japan, building materials experts review group consults relevant information center, to the scene detection and testing equipment, test items on the part of a field test was carried out, the center of the authorized signatory on-site examination strictly, and the related staff of the theory exam, organize relevant personnel to the discussion. They believe that the test center has established a complete quality management system, organization system operates effectively, have the capability to undertake impartial third party inspection; the quality of personnel, equipment, environmental conditions and test reports have reached the requirements of standards of review.

Q:How to maintain the hardware?: Hardware should be regularly wiped with dry cloth to ensure its luster, in case of discoloration

Q:What are door hardware included?: General hinge: used for cabinet doors, windows, doors, etc.. The material is made of iron, copper and stainless steel. The disadvantage of the common hinge is that it does not have the function of the spring hinge. After installing the hinge, it must be loaded with any touching beads. Otherwise, the wind will blow the door plate.

Q:How many kinds of hardware are there in this industry?: Locks, handles, doors and windows, hardware, family decoration, hardware, plumbing hardwareArchitectural decoration, hardware, tools, kitchen hardware,Home appliances, mechanical parts, furniture hardware fittings

Q:What does hardware include?: Big hardware refers to steel plate, steel bar, flat iron, universal angle iron, trough iron, I-shaped iron and various types of steel materials;

Q:What does building hardware include?: Hardware refers to gold, silver, copper, iron, tin, five metal materials, said, "hardware is the mother of the industry"; the basis of national defense, hardware products, usually only divided into large hardware and hardware two categories.

Q:What do you do at a hardware store?: Hardware industry refers to the gold, silver, copper, iron, tin five metal materials, hardware is the mother of the industry; the basis of national defense, hardware products are usually divided into two major categories of hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.. On the nature and use of hardware, it should be divided into iron and steel materials, non-ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories

Q:What are the hardware parts of the door?: Hardware fittings are hardware parts or parts made of hardware, and some hardware products. It can be used alone or as a aid. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods. But as industrial manufacturing supporting products, semi-finished products and tools used in the production process and so on. Only a small number of household hardware products (fittings) are the consumer goods of tools for people's daily life.

Q:What is the rebate rate for hardware?: You this question is general Oh, specifically to see the screw material (steel, copper) and use, in order to determine its tax rebate rate, 5% is yes.

Q:What is a hardware cooker?: Hardware, refers to gold, silver, copper, iron, tin, five metal materials called. Hardware is the mother of industry; the foundation of national defense and the products of hardware materials are usually divided into two major categories: big hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, iron and all kinds of industrial character; hardware for building hardware, white metal, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.

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