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iangsu Zhongwei Measurement and Control Co., Ltd.Free·1YRS
Pilot safety valve
NegotiableUpdate on June 30
- Model
- Nature of the Manufacturer
- Other
- Product Category
- The relief valve
- Place of Origin
- City, Province
Overview
Pilot safety valve
Product Details
Description：
A, product introduction:
AX46F series Pilot type safety valve Suitable for high pressure, high flow, high pressure and compact installation site application position. Pilot type safety valve is mainly used in the fields of petroleum, chemical, electric power, metallurgy and city gas, pressure equipment, container or piping on the ideal overpressure protection device.
Second, measurement principle:
AX46F series Pilot type safety valve Is a safety valve from the main valve and pilot valve composed of a novel structure, guide the switch valve response system of medium pressure self action to control the main valve. When the normal work of the system, the pilot type safety valve in the closed state, the system pressure through the dome chamber inlet pressure tube, the pilot valve and the gas chamber pressure pipe to the main valve at the top, resulting in a downward force on the net the main valve, the main valve is in the closed state.When the system pressure reaches the set pressure, the pilot valve open and closed shuttle pilot valve inlet passage, the main valve chamber pressure through the pilot valve discharge pressure relief system, because the pressure is higher than the back seat pressure, shuttle closed inlet channel, so as to partition the fluid flow in the pilot valve, main valve and gas chamber a decrease in pressure, the main valve valve fully open, fluid through the main valve discharge pressure. When the system pressure drops to a certain value, the spring guide valve overcomes the valve inlet pressure acting on the shuttle on the guiding force, valve seat, the top open shuttle, dome air chamber and finally makes the re entering the main valve off the main valve fluid.
Three, widely used:
AX46F series Pilot type safety valve Widely used in chemical and petrochemical, petroleum, paper, mining, electricity, gas, food, pharmaceutical, water supply and drainage, municipal, mechanical equipment, electronic industry, urban construction and other fields.
Four, structural characteristics:
1, soft sealing to ensure good sealing seat before and after take-off safety valve.
The set pressure of 2, close to the allowable working pressure safety valve.
3, small pressure can make the safety valve of the main valve to achieve full opening state quickly.
4, safety valve performance and opening height from back pressure.
5, the opening and closing pressure adjustable.
6, the pilot valve does not flow type structure design reduces the emission of harmful media and environmental pollution.
7, safety valve set pressure on-line detection.
The main advantage is directly for the pilot valve spring indirectly improves the sensitivity of the action, and the main valve sleeve with piston type double seal valve seat structure, action of high precision, good repeatability, the back seat quickly, no leakage, can take high pressure discharge, long life, work stable and reliable work, it can online adjust, repeatedly starting after discharge, still can automatically return to the seat, closed tight, convenient operation and maintenance.
Five, design and manufacturing standards:
The structure of standard length: GB/T 12221-2005;
Flange standard: GB/T 9113;
Pressure temperature rating: GB/T 12224-2005;
Test standards: GB/T 13927-2008.
Six, operation steps:
1, safety valve
The first valve main valve after the vote.
2, removal of safety valve
First cut the main valve, cut sub valve
Seven, the main components of materials:
NO. | Part name | Ax46Y/F material | KAX46Y/F material |
One | valve body | WCB | WCB |
Two | Valve | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE |
Three | The guide sleeve | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
Four | Spring | 50CrVA | 50CrVA |
Five | O ring | Fluorine rubber | Fluorine rubber |
Six | Valve cover | Twenty-five | Twenty-five |
Seven | Pilot valve | parts | |
Eight, dimensions and connection dimensions:
Model | Nominal diameter | Do | L | L1 | L2 | H | DN' | D | D1 | D2 | D6 | B | Z- D? | D' | D1' | D2' | D6' | B' | Z'- d'? |
| Ax46F-16Y AF46Y-16 | Twenty-five | Fifteen | One hundred and ten | Ninety-five | One hundred and fifty | Three hundred and sixty-five | Thirty-two | One hundred and fifteen | Eighty-five | Sixty-five | Sixteen | 4-14 | One hundred and forty | One hundred | Seventy-eight | Eighteen | 4-18 | ||
Thirty-two | Twenty | One hundred and fifteen | One hundred | One hundred and fifty | Three hundred and seventy-five | Forty | One hundred and forty | One hundred | Seventy-eight | Eighteen | 4-18 | One hundred and fifty | One hundred and ten | Eighty-five | Eighteen | 4-18 | |||
Forty | Twenty-five | One hundred and twenty | One hundred and ten | One hundred and sixty | Three hundred and ninety | Fifty | One hundred and fifty | One hundred and ten | Eighty-five | Eighteen | 4-18 | One hundred and sixty-five | One hundred and twenty-five | One hundred | Twenty | 4-18 | |||
Fifty | Thirty-two | One hundred and thirty-five | One hundred and twenty | One hundred and sixty | Four hundred and ten | Sixty-five | One hundred and sixty-five | One hundred and twenty-five | One hundred | Twenty | 4-18 | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Twenty | 4-18 | |||
Sixty-five | Forty | One hundred and sixty | One hundred and forty | One hundred and seventy-five | Four hundred and thirty-five | Eighty | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Twenty | 4-18 | Two hundred | One hundred and sixty | One hundred and thirty-five | Twenty | 8-18 | |||
Eighty | Fifty | One hundred and seventy | One hundred and thirty-five | One hundred and seventy-five | Four hundred and fifty-one | One hundred | Two hundred | One hundred and sixty | One hundred and thirty-five | Twenty | 8-18 | Two hundred and twenty | One hundred and eighty | One hundred and fifty-five | Twenty-two | 8-18 | |||
One hundred | Sixty-five | One hundred and ninety-five | One hundred and seventy-five | One hundred and ninety-five | Five hundred | One hundred and twenty-five | Two hundred and twenty | One hundred and eighty | One hundred and fifty-five | Twenty-two | 8-18 | Two hundred and fifty | Two hundred and ten | One hundred and eighty-five | Twenty-four | 8-18 | |||
One hundred and twenty-five | Eighty | Two hundred and ten | One hundred and ninety | Two hundred and twenty | Five hundred and twenty-six | One hundred and fifty | Two hundred and fifty | Two hundred and ten | One hundred and eighty-five | Twenty-two | 8-18 | Two hundred and eighty-five | Two hundred and forty | Two hundred and ten | Twenty-four | 8-23 | |||
One hundred and fifty | One hundred | Two hundred and fifty-five | Two hundred and thirty | Two hundred and sixty-five | Six hundred and twenty-three | One hundred and seventy-five | Two hundred and eighty-five , | Two hundred and forty | Two hundred and ten | Twenty-four | 8-23 | Three hundred and fifteen | Two hundred and seventy | Two hundred and forty | Twenty-six | 8-23 | |||
Two hundred | One hundred and twenty-five | Three hundred | Two hundred and sixty | Three hundred | Six hundred and ninety | Two hundred and fifty | Three hundred and forty | Two hundred and ninety-five | Two hundred and sixty-five | Twenty-six | 12-23 | Four hundred and five | Three hundred and fifty-five | Three hundred and twenty | Thirty | 12-26 | |||
| Ax46F-25Y AF46Y-25 | Twenty-five | Fifteen | One hundred and ten | Ninety-five | One hundred and fifty | Three hundred and sixty-five | Thirty-two | One hundred and fifteen | Eighty-five | Sixty-five | Sixteen | 4-14 | One hundred and forty | One hundred | Seventy-eight | Eighteen | 4-18 | ||
Thirty-two | Twenty | One hundred and fifteen | One hundred | One hundred and fifty | Three hundred and seventy-five | Forty | One hundred and forty | One hundred | Seventy-eight | Eighteen | 4-18 | One hundred and fifty | One hundred and ten | Eighty-five | Eighteen | 4-18 | |||
Forty | Twenty-five | One hundred and twenty | One hundred and ten | One hundred and sixty | Three hundred and ninety | Fifty | One hundred and fifty | One hundred and ten | Eighty-five | Eighteen | 4-18 | One hundred and sixty-five | One hundred and twenty-five | One hundred | Twenty | 4-18 | |||
Fifty | Thirty-two | One hundred and thirty-five | One hundred and twenty | One hundred and sixty | Four hundred and ten | Sixty-five | One hundred and sixty-five | One hundred and twenty-five | One hundred | Twenty | 4-18 | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Twenty | 4-18 | |||
Sixty-five | Forty | One hundred and sixty | One hundred and forty | One hundred and seventy-five | Four hundred and thirty-five | Eighty | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Twenty-two | 8-18 | Two hundred | One hundred and sixty | One hundred and thirty-five | Twenty | 8-18 | |||
Eighty | Fifty | One hundred and seventy | One hundred and thirty-five | One hundred and seventy-five | Four hundred and fifty-one | One hundred | Two hundred | One hundred and sixty | One hundred and thirty-five | Twenty-two | 8-18 | Two hundred and twenty | One hundred and eighty | One hundred and fifty-five | Twenty-two | 8-18 | |||
One hundred | Sixty-five | One hundred and ninety-five | One hundred and seventy-five | One hundred and ninety-five | Five hundred | One hundred and twenty-five | Two hundred and thirty | One hundred and ninety | One hundred and sixty | Twenty-four | 8-23 | Two hundred and fifty | Two hundred and ten | One hundred and eighty-five | Twenty-two | 8-18 | |||
One hundred and twenty-five | Eighty | Two hundred and ten | One hundred and ninety | Two hundred and twenty | Five hundred and twenty-six | One hundred and fifty | Two hundred and seventy | Two hundred and twenty | One hundred and eighty-eight | Twenty-eight | 8-26 | Two hundred and eighty-five | Two hundred and forty | Two hundred and ten | Twenty-four | 8-23 | |||
One hundred and fifty | One hundred | Two hundred and fifty-five | Two hundred and thirty | Two hundred and sixty-five | Six hundred and twenty-three | One hundred and seventy-five | Three hundred | Two hundred and fifty | Two hundred and eighteen | Thirty | 8-26 | Three hundred and ten | Two hundred and seventy | Two hundred and forty | Twenty-six | 8-23 | |||
Two hundred | One hundred and twenty-five | Three hundred | Two hundred and sixty | Three hundred | Six hundred and ninety | Two hundred and fifty | Three hundred and sixty | Three hundred and ten | Two hundred and seventy-eight | Thirty-four | 12-26 | Four hundred and five | Three hundred and fifty-five | Three hundred and twenty | Thirty | 12-26 | |||
| Ax46F-40Y AF46Y-40 | Twenty-five | Fifteen | One hundred and ten | Ninety-five | One hundred and fifty | Three hundred and sixty-five | Thirty-two | One hundred and fifteen | Eighty-five | Sixty-five | Fifty-eight | Sixteen | 4-14 | One hundred and forty | One hundred | ">78< "span=" > | Eighteen | 4-18 | |
Thirty-two | Twenty | One hundred and fifteen | One hundred | One hundred and fifty | Three hundred and seventy-five | Forty | One hundred and forty | One hundred | Seventy-eight | Sixty-six | Eighteen | 4-18 | One hundred and fifty | One hundred and ten | Eighty-five | Eighteen | 4-18 | ||
Forty | Twenty-five | One hundred and twenty | One hundred and ten | One hundred and sixty | Three hundred and ninety | Fifty | One hundred and fifty | One hundred and ten | Eighty-five | Seventy-six | Eighteen | 4-18 | One hundred and sixty-five | One hundred and twenty-five | One hundred | Twenty | 4-18 | ||
Fifty | Thirty-two | One hundred and thirty-five | One hundred and twenty | One hundred and sixty | Four hundred and ten | Sixty-five | One hundred and sixty-five | One hundred and twenty-five | One hundred | Eighty-eight | Twenty | 4-18 | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Twenty | 4-18 | ||
Sixty-five | Forty | One hundred and sixty | One hundred and forty | One hundred and seventy-five | Four hundred and thirty-five | Eighty | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | One hundred and ten | Twenty-two | 8-18 | Two hundred | One hundred and sixty | One hundred and thirty-five | Twenty | 8-18 | ||
Eighty | Fifty | One hundred and seventy | One hundred and thirty-five | One hundred and seventy-five | Four hundred and fifty-one | One hundred | Two hundred | One hundred and sixty | One hundred and thirty-five | One hundred and twenty-one | Twenty-two | 8-18 | Two hundred and twenty | One hundred and eighty | One hundred and fifty-five | Twenty-two | 8-18 | ||
One hundred | Sixty-five | One hundred and ninety-five | One hundred and seventy-five | One hundred and ninety-five | Five hundred | One hundred and twenty-five | Two hundred and thirty-five | One hundred and ninety | One hundred and sixty | One hundred and fifty | Twenty-four | 8-23 | Two hundred and fifty | Two hundred and ten | One hundred and eighty-five | Twenty-two | 8-18 | ||
One hundred and twenty-five | Eighty | Two hundred and ten | One hundred and ninety | Two hundred and twenty | Five hundred and twenty-six | One hundred and fifty | Two hundred and seventy | Two hundred and twenty | One hundred and eighty-eight | One hundred and seventy-six | Twenty-eight | 8-26 | Two hundred and eighty-five | Two hundred and forty | Two hundred and ten | Twenty-four | 8-23 | ||
One hundred and fifty | One hundred | Two hundred and fifty-five | Two hundred and thirty | Two hundred and sixty-five | Six hundred and twenty-three | One hundred and seventy-five | Three hundred | Two hundred and fifty | Two hundred and eighteen | Two hundred and four | Thirty | 8-26 | Three hundred and ten | Two hundred and seventy | Two hundred and forty | Twenty-six | 8-23 | ||
Two hundred | One hundred and twenty-five | Three hundred | Two hundred and sixty | Three hundred | Six hundred and ninety | Two hundred and fifty | Three hundred and seventy-five | Three hundred and twenty | Two hundred and eighty-two | Two hundred and sixty | Thirty-eight | 12-30 | Four hundred and five | Three hundred and fifty-five | Three hundred and twenty | Thirty | 12-26 | ||
| Ax46F-64Y AF46Y-64 | Twenty-five | Fifteen | One hundred and ten | One hundred | One hundred and sixty | Three hundred and sixty-five | Thirty-two | One hundred and forty | One hundred | Seventy-eight | Fifty-eight | Twenty-two | 4-18 | One hundred and forty | One hundred | Seventy-eight | Sixty-six | Eighteen | 4-18 |
Thirty-two | Twenty | One hundred and thirty | One hundred and ten | One hundred and sixty | Three hundred and seventy-five | Forty | One hundred and fifty-five | One hundred and ten | Eighty-two | Sixty-six | Twenty-four | 4-23 | One hundred and fifty | One hundred and ten | Eighty-five | Seventy-six | Eighteen | 4-18 | |
Forty | Twenty-five | One hundred and thirty | One hundred and twenty | One hundred and seventy | Four hundred and forty-five | Fifty | One hundred and seventy | One hundred and twenty-five | Ninety-five | Seventy-six | Twenty-four | 4-23 | One hundred and sixty-five | One hundred and twenty-five | One hundred | Eighty-eight | Twenty | 4-18 | |
Fifty | Thirty-two | One hundred and thirty-five | One hundred and thirty | One hundred and ninety-five | Four hundred and sixty | Sixty-five | One hundred and eighty | One hundred and thirty-five | One hundred and five | Eighty-eight | Twenty-six | 4-23 | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | One hundred and ten | Twenty-two | 8-18 | |
Sixty-five | Forty | One hundred and seventy-five | One hundred and sixty | Two hundred and twenty-five | Four hundred and ninety-five | Eighty | Two hundred and five | One hundred and sixty | One hundred and thirty | One hundred and ten | Twenty-eight | 8-23 | Two hundred | One hundred and sixty | One hundred and thirty-five | One hundred and twenty-one | Twenty-two | 8-18 | |
Eighty | Fifty | One hundred and seventy-five | One hundred and sixty | Two hundred and twenty-five | Five hundred and twenty-five | One hundred | Two hundred and fifteen | One hundred and seventy | One hundred and forty | One hundred and twenty-one | Thirty | 8-23 | Two hundred and thirty-five | One hundred and ninety | One hundred and sixty | One hundred and fifty | Twenty-four | 8-23 | |
One hundred | Sixty-five | One hundred and ninety-five | One hundred and ninety-five | Two hundred and forty-five | Five hundred and sixty-five | One hundred and twenty-five | Two hundred and fifty | Two hundred | One hundred and sixty-eight | One hundred and fifty | Thirty-two | 8-26 | Two hundred and seventy | Two hundred and twenty | One hundred and eighty-eight | One hundred and seventy-six | Twenty-eight | 8-25 | |
One hundred and fifty | One hundred | Two hundred and eighty | Two hundred and sixty-five | Two hundred and sixty-five | Six hundred and ten | Two hundred | Three hundred and forty-five | Two hundred and eighty | Two hundred and forty | Two hundred and four | Thirty-eight | 8-34 | Three hundred and seventy-five | Three hundred and twenty | Two hundred and eighty-two | Two hundred and sixty | Thirty-eight | 12-30 | |
Two hundred | One hundred and twenty-five | Three hundred | Two hundred and ninety-five | Three hundred | Six hundred and eighty | Two hundred and fifty | Four hundred and five | Three hundred and forty-five | Three hundred | Two hundred and sixty | Forty-four | 12-34 | Four hundred and fifty | Three hundred and eighty-five | Three hundred and forty-five | Three hundred and thirteen | Forty-two | 12-34 | |
| Ax46F-100Y AF46Y-100 | Twenty-five | Fifteen | One hundred and ten | One hundred | One hundred and sixty | Three hundred and sixty-five | Thirty-two | One hundred and forty | One hundred | Seventy-eight | Fifty-eight | Twenty-four | 4-18 | One hundred and forty | One hundred | Seventy-eight | Sixty-six | Eighteen | 4-18 |
Thirty-two | Twenty | One hundred and thirty | One hundred and ten | One hundred and sixty | Three hundred and seventy-five | Forty | One hundred and fifty-five | One hundred and ten | Eighty-two | Sixty-six | Twenty-four | 4-23 | One hundred and fifty | One hundred and ten | Eighty-five | Seventy-six | Eighteen | 4-18 | |
Forty | Twenty-five | One hundred and thirty | One hundred and twenty | One hundred and seventy | Four hundred and forty-five | Fifty | One hundred and seventy | One hundred and twenty-five | Ninety-five | Seventy-six | Twenty-six | 4-23 | One hundred and sixty-five | One hundred and twenty-five | One hundred | Eighty-eight | Twenty | 4-18 | |
Fifty | Thirty-two | One hundred and thirty-five | One hundred and thirty | One hundred and ninety-five | Four hundred and sixty | Sixty-five | One hundred and ninety-five | One hundred and forty-five | One hundred and twelve | Eighty-eight | Twenty-eight | 4-26 | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | One hundred and ten | Twenty-two | 8-18 | |
Sixty-five | Forty | One hundred and seventy-five | One hundred and sixty | Two hundred and twenty-five | Four hundred and ninety-five | Eighty | Two hundred and twenty | One hundred and seventy | One hundred and thirty-eight | One hundred and ten | Thirty-two | 8-26 | Two hundred | One hundred and sixty | One hundred and thirty-five | One hundred and twenty-one | Twenty-two | 8-18 | |
Eighty | Fifty | One hundred and seventy-five | One hundred and sixty | Two hundred and twenty-five | Five hundred and twenty-five | One hundred | Two hundred and thirty | One hundred and eighty | One hundred and forty-eight | One hundred and twenty-one | Thirty-four | 8-26 | Two hundred and thirty-five | One hundred and ninety | One hundred and sixty | One hundred and fifty | Twenty-four | 8-23 | |
One hundred | Sixty-five | One hundred and ninety-five | One hundred and ninety-five | Two hundred and forty-five | Five hundred and sixty-five | One hundred and twenty-five | Two hundred and sixty-five | Two hundred and ten | One hundred and seventy-two | One hundred and fifty | Thirty-eight | 8-30 | Two hundred and seventy | Two hundred and twenty | One hundred and eighty-eight | One hundred and seventy-six | Twenty-eight | 8-25 | |
One hundred and fifty | One hundred | Two hundred and eighty | Two hundred and sixty-five | Two hundred and sixty-five | Six hundred and ten | Two hundred | Three hundred and fifty-five | Two hundred and ninety | Two hundred and fifty | Two hundred and four | Forty-six | 12-34 | Three hundred and seventy-five | Three hundred and twenty | Two hundred and eighty-two | Two hundred and sixty | Thirty-eight | 12-30 | |
Two hundred | One hundred and twenty-five | Three hundred | Two hundred and ninety-five | Three hundred | Six hundred and eighty | Two hundred and fifty | Four hundred and thirty | Three hundred and sixty | Three hundred and twelve | Two hundred and sixty | Fifty-four | 12-41 | Four hundred and fifty | Three hundred and eighty-five | Three hundred and forty-five | Three hundred and thirteen | Forty-two | 12-34 |
Nine, the safety valve order main items:
Safety valve medium, pressure rating, open mode (full Kai / Weiqi) set off the pressure, determine the valve size, connection mode, standard maximum temperature, flow rate of release per hour, the body material inside the body structure, working principle, installation instructions and other related technical data. Safety valve selection is mainly based on the take-off (the pressure and temperature pressure flow) neat general design institute will be given in the caliber, the steam pressure, flow and pressure jump, can be inferred from the safety valve size. Usually a smaller caliber than the design institute selected. When the occasion is very important or complicated when you try to provide design drawings. And detailed parameters by our Zhongwei company expert audit checks for you.
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