Description:
A brief introduction of the gate:
PZ43H series Plum blossom type manual knife gate valve The knife type gate has a good shearing, the most suitable fluid in the slurry, powder granules, fibers and other difficult to control, widely used in papermaking, petrochemical, mining, drainage, food and other industries. Knife type valve with a variety of seat options, and can be controlled according to site requirements, equipped with electric or pneumatic actuators, valve automation.
Two, structural characteristics:
PZ73H series Plum blossom type manual knife gate valve Is the gate opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle.
There are two gate sealing surface, the most common mode of gate valve sealing surface to form two wedge, the wedge angle varies with the valve parameters, usually 50, wedge type knife gate valve can be made into a whole, called the rigid gate; can also be made to produce micro deformation of ram, in order to improve its process of the deviation, make up the sealing surface angle in the process, the gate is called the flexible gate.
Knife gate valve is closed, the sealing surface can only rely on media pressure to seal, that media pressure will depend on the sealing surface of the ram pressure to the other side of the seat to ensure the sealing surface of the seal, which is self sealing. Most of the knife gate valve is sealed by force, that the valve is closed, to rely on external pressure to force the gate to the seat to ensure the sealing surface of the seal.
Three, Plum blossom type manual knife gate valve Standard Specification for:
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
Four, Plum blossom type manual knife gate valve The main technical indicators:
PZ43H knife gate valve (quincunx);
Design and manufacture: JB/T8691-1998;
Length: GB/T15188.2-94;
Flange: GB/T9113.1-2000 JB/T79-94;
Test and inspection: GB/T13927-92;
Valve cover: carbon steel, stainless steel;
Ram: stainless steel;
Valve shaft: 301 stainless iron, stainless steel;
Seal ring: rubber, PTFE, stainless steel, hard alloy;
Nominal pressure: 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa, 150Lb;
The casing seal test: 1.1XPN test: 1.5XPN;
Nominal diameter: DN50 ~ 1000mmNPS2 ~ 40 "";
Working temperature: rubber seal 80 PTFE seal is less than or equal to 180 DEG C, C, C = 425 seal;
Suitable temperature: -38 ~ 650 + C (specific temperature range as the sealing material and the properties of the media set);
Flange: ANSIB16.5, GB / T9113, JB / T79, HG, SH, JIS, DIN, NF, BS;
Main material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF8M, CF3, CF3M;
Seal type: hard seal, soft seal;
Leakage: Seal: D (liquid level 0.1 * DNmm3 / s): a soft seal (zero leakage);
Accessories: mounting flange;
Suitable medium: syrup, pulp, sewage, coal ash, slag and water mixture medium etc..
Five, Plum blossom type manual knife gate valve Matters needing attention:
1, the installation must be inspected before the valve cavity and the sealing surface and other parts, there is dirt or sand does not allow attachment;
2, all bolts evenly tightened requirements;
3, check the packing requirements of pressed parts, both to ensure the tightness of packing, but also to ensure the gate open and flexible;
4, the user before installing the valve, the valve must be proof model, connect the flow of medium size and attention to ensure consistency with the requirements of the valve;
5, the user to install the valve, valve driver must reserve the necessary space;
6 wire drive device shall be carried out according to a circuit diagram;
7, knife type valve must be regularly maintained, not free to collision and extrusion, so as not to affect the seal.
Six, Plum blossom type manual knife gate valve The main performance specifications:
Nominal pressure (MPa) | Shell test (MPa) | Seal test (MPa) | working temperature | Applicable medium |
One One point six | One point five Two point four | One point one One point eight | Less than or equal to 100 DEG C Less than or equal to 425 DEG C | Pulp, sewage, slurry, coal ash, slag and water mixture |
Seven, main parts material:
Body and cover | Gate valve | The stem | Sealing surface |
Stainless steel, carbon steel, gray cast iron | Carbon steel, stainless steel | Stainless steel | Rubber, PTFE, stainless steel, hard alloy |
Eight, the main external and connecting dimensions (mm) of:PZ73H, PZ73X, PZ73Y, PZ43H, PZ43X, PZ43Y
MPa | DN | L | D | D1 | D2 | H | N-M | D0 | W (Kg) |
One | Fifty | Forty-three | One hundred and sixty | One hundred and twenty-five | One hundred | Two hundred and eighty-five | 4-M16 | One hundred and eighty | Eight |
Sixty-five | Forty-six | One hundred and eighty | One hundred and forty-five | One hundred and twenty | Two hundred and ninety-eight | 4-M16 | One hundred and eighty | Ten |
Eighty | Forty-six | One hundred and ninety-five | One hundred and sixty | One hundred and thirty-five | Three hundred and fifteen | 4-M16 | Two hundred and twenty | Twelve |
One hundred | Fifty-two | Two hundred and fifteen | One hundred and eighty | One hundred and fifty-five | Three hundred and sixty-five | 8-M16 | Two hundred and twenty | Fourteen |
One hundred and twenty-five | Fifty-six | Two hundred and forty-five | Two hundred and ten | One hundred and eighty-five | Four hundred | 8-M16 | Two hundred and thirty | Twenty-two |
One hundred and fifty | Fifty-six | Two hundred and eighty | Two hundred and forty | Two hundred and ten | Four hundred and seventy-five | 8-M20 | Two hundred and eighty | Twenty-nine |
Two hundred | Sixty | Three hundred and thirty-five | Two hundred and ninety-five | Two hundred and sixty-five | Five hundred and forty | 8-M20 | Three hundred and sixty | Thirty-eight |
Two hundred and fifty | Sixty-eight | ">390&, lt, /P>; | Three hundred and fifty | Three hundred and twenty | Six hundred and thirty | 12-M20 | Three hundred and sixty | Sixty-six |
Three hundred | Seventy-eight | Four hundred and forty | Four hundred | Three hundred and sixty-eight | Seven hundred and eighty | 12-M20 | Four hundred | One hundred |
Three hundred and fifty | Seventy-eight | Five hundred | Four hundred and sixty | Four hundred and twenty-eight | Eight hundred and eighty-five | 16-M20 | Four hundred | One hundred and nineteen |
Four hundred | One hundred and two | Five hundred and sixty-five | Five hundred and fifteen | Four hundred and eighty-two | Nine hundred and ninety | 16-M22 | Four hundred | One hundred and ninety-five |
Four hundred and fifty | One hundred and fourteen | Six hundred and fifteen | Five hundred and sixty-five | Five hundred and thirty-two | One thousand and one hundred | 20-M22 | Five hundred and thirty | Two hundred and eighty-five |
Five hundred | One hundred and twenty-seven | Six hundred and seventy | Six hundred and twenty | Five hundred and eighty-five | One thousand and two hundred | 20-M22 | Five hundred and thirty | Three hundred and eighty-nine |
Six hundred | One hundred and fifty-four | Seven hundred and eighty | Seven hundred and twenty-five | Six hundred and eighty-five | One thousand four hundred and fifty | 20-M27 | Six hundred | Five hundred and twenty-nine |
Seven hundred | One hundred and sixty-five | Eight hundred and ninety-five | Eight hundred and forty | Eight hundred | One thousand and seven hundred | 24-M27 | Six hundred | Seven hundred and ninety |
Eight hundred | One hundred and ninety | One thousand and ten | Nine hundred and fifty | Eight hundred and ninety-eight | Two thousand | ">24-M30< "font=" > | Six hundred and eighty | Eight hundred and fifty |
Nine hundred | Two hundred and three | One thousand one hundred and ten | One thousand and fifty | One thousand and five | Two thousand and three hundred | 28-M30 | Six hundred and eighty | Nine hundred |
One thousand | Two hundred and sixteen | One thousand two hundred and twenty | One thousand one hundred and sixty | One thousand one hundred and fifteen | Two thousand and five hundred | 28-M30 | Seven hundred | One thousand and fifty |
One thousand and two hundred | Two hundred and fifty-four | One thousand four hundred and fifty | One thousand three hundred and eighty | One thousand three hundred and twenty-five | Two thousand and eight hundred | 32-M36 | Eight hundred | One thousand and three hundred |
One point six | Fifty | Forty-three | One hundred and sixty | One hundred and twenty-five | Ninety-nine | Two hundred and eighty-five | 4-M16 | One hundred and eighty | Eight point five |
Sixty-five | Forty-six | One hundred and eighty-five | One hundred and forty-five | One hundred and twenty | Two hundred and ninety-five | 4-M16 | One hundred and eighty | Ten point seven |
Eighty | Forty-six | Two hundred | One hundred and sixty | One hundred and thirty-five | Three hundred and fifteen | 8-M16 | Two hundred and twenty | Thirteen |
One hundred | Fifty-two | Two hundred and twenty | One hundred and eighty | One hundred and fifty-five | Three hundred and sixty-five | 8-M16 | Two hundred and twenty | Fifteen |
One hundred and twenty-five | Fifty-six | Two hundred and fifty | Two hundred and ten | One hundred and eighty-five | Four hundred | 8-M16 | Two hundred and thirty | Twenty-three point five |
One hundred and fifty | Fifty-six | Two hundred and eighty-five | Two hundred and forty | Two hundred and ten | Four hundred and seventy-five | 8-M20 | Two hundred and eighty | Thirty-one |
Two hundred | Sixty | Three hundred and forty | Two hundred and ninety-five | Two hundred and sixty-five | Five hundred and forty | 12-M20 | Three hundred and sixty | Forty point seven |
Two hundred and fifty | Sixty-eight | Four hundred and five | Three hundred and fifty-five | Three hundred and ten | Six hundred and thirty | 12-M22 | Three hundred and sixty | Seventy |
Three hundred | Seventy-eight | Four hundred and sixty | Four hundred and ten | Three hundred and seventy-five | Seven hundred and eighty | 12-M22 | Four hundred | One hundred and seven |
Three hundred and fifty | Seventy-eight | Five hundred and twenty | Four hundred and seventy | Four hundred and thirty-five | Eight hundred and eighty-five | 16-M22 | Four hundred | One hundred and twenty-nine |
Four hundred | One hundred and two | Five hundred and eighty | Five hundred and twenty-five | Four hundred and eighty-five | Nine hundred and ninety | 16-M27 | Four hundred | Two hundred and fifteen |
Four hundred and fifty | One hundred and fourteen | Six hundred and forty | Five hundred and eighty-five | Five hundred and forty-five | One thousand and one hundred | 20-M27 | Five hundred and thirty | Three hundred and five |
Five hundred | One hundred and twenty-seven | Seven hundred and fifteen | Six hundred and fifty | Six hundred and nine | One thousand and two hundred | 20-M30 | Five hundred and thirty | Four hundred and ten |
Six hundred | One hundred and fifty-four | Eight hundred and forty | Seven hundred and seventy | Seven hundred and twenty | One thousand four hundred and fifty | 20-M36 | Six hundred | Five hundred and fifty |
Seven hundred | One hundred and sixty-five | Nine hundred and ten | Eight hundred and forty | Seven hundred and eighty-eight | One thousand and seven hundred | 24-M36 | Six hundred | Eight hundred and twenty |
Eight hundred | One hundred and ninety | One thousand and twenty-five | Nine hundred and fifty | Eight hundred and ninety-eight | Two thousand | 24-M36 | Six hundred and eighty | Nine hundred and fifty |
Nine hundred | Two hundred and three | One thousand one hundred and twenty-five | One thousand and fifty | Nine hundred and ninety-eight | Two thousand and three hundred | 28-M36 | Six hundred and eighty | One thousand and twenty |
One thousand | Two hundred and sixteen | One thousand two hundred and fifty-five | One thousand one hundred and seventy | One thousand one hundred and ten | Two thousand and five hundred | 28-M42 | Seven hundred | One thousand one hundred and twenty |
One thousand and two hundred | Two hundred and fifty-four | One thousand four hundred and eighty-five | One thousand three hundred and ninety | One thousand three hundred and twenty-five | Two thousand and eight hundred | 32-M48 | Eight hundred | One thousand four hundred and eighty |
Note: 0.6MPa, 1.0MPa, 1.6MPa and 150Lb American Standard connection size see appendix.
Nine, ordering:
1, please carefully before ordering the understanding of the product - knife gate valve, clearly marked specifications, types and materials, pressure, quantity.
2, the occasion is very important when using more complex or the environment when you try to provide design drawings and detailed parameters by Zhongwei control of our experts audit checks for you.
3, order the knife type valve, please fill out the order with the unit, receiving unit, the name of the payment unit, address (including the provincial, city, District, street, and No.), telephone, bank account, and representative.
4, the company's products are all order cash on delivery or delivery.
Ten, inspection (unloading) notice:
1, carefully controlled products and order (the knife type valve) is the same, and there is no breakage of packing box.
2, choose suitable methods and tools, to prevent deformation or damage of the product; our company attaches great importance to the service, in order to achieve customer satisfaction product standards we have with the customer side by side, share experiences, information, commitment, goal, in cooperation between the development of excellent products. Whether you ask the product design principle, technology, price, schedule, transportation routes and any other problem, have specific customer service staff to answer your questions.