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Shanghai Zhibo Rui Electric Valve Co., Ltd
Stainless steel balance cage pneumatic control valve
NegotiableUpdate on 05/06
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Overview
Overview of ZJHP-16P DN100 Stainless Steel Balanced Cage Pneumatic Control Valve To achieve the above objectives, the present utility model provides the following technical solution: a pneumatic cage control valve, comprising a pneumatic diaphragm actuator, a valve body, and a flange pipe. The flange pipe is symmetrically distributed with two, and one end of the flange pipe is provided with a flange plate. The outer surface of the flange pipe is sleeved with a flange connection component, which includes a screw, a prism, a bearing, an inner gear ring, and a cylinder. The cylinder is uniformly distributed around the outer surface of the flange pipe. The bearing is fixedly sleeved on both ends of the cylinder, and the bearing is fixedly connected to the flange pipe. The cylinder
Product Details
ZJHP-16P DN100Stainless steel balance cage pneumatic control valveOverview
To achieve the above objectives, the present utility model provides the following technical solution: a pneumatic cage type regulating valve, comprising a pneumatic thin film actuator, a valve body, and a flange pipe. The flange pipe is symmetrically distributed with two flanges, and one end of the flange pipe is provided with a flange plate. The outer surface of the flange pipe is sleeved with a flange connection component, which includes a screw, a prism, a bearing, an inner gear ring, and a cylinder. The cylinder is uniformly distributed around the outer surface of the flange pipe. The bearing is fixedly sleeved on both ends of the cylinder, and the bearing is fixedly connected to the flange pipe. One end of the cylinder is provided with a groove, and one end of the prism slides into the groove. The screw is fixedly set on the other end of the prism. The end of the flange pipe is provided with a through hole, and the outer surface of the flange plate is provided with a threaded hole, The screw slides through the through hole and is connected to the threaded hole by rotation. The internal gear ring is set on the outer surface of the flange pipe, and the outer surface of the cylinder is provided with a tooth groove. The internal gear ring meshes with the cylinder through the tooth groove.
ZJHP-16P DN100Stainless steel balance cage pneumatic control valveperformance
Leakage rate: Metal valve seat: less than 0.01% of the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class IV
Soft seat: 10-7 less than the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class IV
Return difference: with locator: less than 1% of the full stroke,
Without locator: less than 3% of full stroke (LHA1 type less than 5% of full stroke)
Basic error: with locator: less than ± 1% of the full stroke,
Without locator: less than ± 5% of the full stroke
Note: Standard V-shaped polytetrafluoroethylene packing is used
Adjustable range: 50:1 (0.25 ≤ Cv ≤ 14) or 30:1 (CV ≤ 0.16)
Preferably, the outer surface of the flange tube is provided with a driving component, which includes a * * * sliding rod, a connecting plate, a * * sliding rod, a screw rod, an iron plate, and a fixed frame. The fixed frame has an "n" - shaped structure, and the two ends of the fixed frame are rotatably connected to the flange tube through a rotating shaft. The screw rod rotates through the upper surface of the fixed frame, and the * * * sliding rod is fixedly set at the upper end of the screw rod. The outer surface of the * * sliding rod is rotatably fitted with a connecting plate through a limit ring, and the * * * sliding rod is fixedly set on the lower surface of the connecting plate. The lower end of the * * sliding rod slides through the inner top surface of the fixed frame, and the iron plate is fixedly set at the lower end of the * * sliding rod. The outer surface of the internal gear ring is uniformly distributed with grooves, and the iron plate is matched with the grooves.
HCB and HCP balanced cage single seat and double seat regulating valves are pressure balanced regulating valves that control various high and low temperature fluids. The valve structure is compact, and the fluid channel inside the valve is in the shape of an S-shaped fluid. It is also equipped with a guiding wing to improve the smooth flow of fluid around the sleeve. Its characteristics are small pressure drop loss, large flow rate, wide adjustable range, high precision of flow characteristics, and compliance with IEC534 standard. The regulating valve has good dynamic stability, low noise, and minimal flash evaporation cavitation corrosion, making it suitable for controlling high-pressure differential fluids at various temperatures. Equipped with LHA multi spring pneumatic thin film actuator, it has a compact structure and high output force. The product complies with GB/T4213-92.
Preferably, the upper end of the sliding rod is fixedly equipped with a handle, and the outer surface of the handle is fixed with a rubber sleeve.
Preferably, the outer surface of the sliding rod is covered with a reset spring, and the upper end of the reset spring is fixedly connected to the connecting plate, while the lower end is fixedly connected to the fixing frame.
Preferably, the prism is a hexagonal prism and the groove is an inner hexagonal groove.
Preferably, the outer surface of the screw is fitted with a spring washer, which is fixedly connected to the prism.
HCB Pneumatic Balance Cage Control Valve Component Parameters
| parts | material | |||
|---|---|---|---|---|
| valve body | WCB(ZG25) | CF8(304) | CF8M(316) | CF3M(316L) |
| valve seat | 304 | 304 | 316 | 316L |
| valve core | 304 | 304 | 316 | 316L |
| gasket | PTFE、 Metal graphite wrapped gasket | |||
| valve cover | WCB(ZG25) | CF8(304) | CF8M(316) | CF3M(316L) |
| Sealing packing | PTFE、 Flexible graphite, para polystyrene | |||
| gland | 304 | 304 | 316 | 316L |
Technical parameters of pneumatic cage regulating valve
| Nominal diameter (DN) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valve seat diameter (dn) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Rated flow coefficient (KV) | Straightness | 10 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 630 | 1000 | 1600 |
| Wait, wait*** | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 155 | 250 | 370 | 580 | 900 | 1300 | |
| Allowable pressure difference (MPa) | 6.4 | 6.4 | 5.2 | 5.2 | 4.6 | 4.6 | 3.7 | 3.7 | 3.5 | 3.1 | 3.1 | 2.6 | 2.2 | |
| Nominal pressure (MPa) | 1.6, 2.5, 4.0, 6.4, 10.0 | |||||||||||||
| Rated stroke (mm) | 16 | 25 | 40 | 60 | 100 | |||||||||
| Equipped with actuator model | ZHA/B-22 | ZHA/B-23 | ZHA/B-34 | ZHA/B-45 | ZHA/B-56 | |||||||||
| flow characteristics | Linearity, equivalence ratio | |||||||||||||
| Valve cover form | Standard Type (-17~+250 ℃), High Temperature Type (+250~+450 ℃), Low Temperature Type (-40~-196 ℃), Bellows Sealed Type (-40~+350 ℃) | |||||||||||||
| Cover form | Bolt compression type | |||||||||||||
| Sealing packing | V-shaped polytetrafluoroethylene packing, V-shaped flexible graphite packing | |||||||||||||
| Valve core form | Cage type single seat plunger valve core, cage type sleeve dual guide valve core | |||||||||||||
Pneumatic cage type regulating valve, pneumatic diaphragm actuator parameters
| Configure actuator category | ZHA/B multi spring membrane actuator | ||||
|---|---|---|---|---|---|
| Executor model | ZHA/B-22 | ZHA/B-23 | ZHA/B-34 | ZHA/B-45 | ZHA/B-56 |
| Effective area (cm2) | 350 | 350 | 560 | 900 | 1400 |
| Travel distance (mm) | 10. 16 | 24 | 40 | 40, 60 | 100 |
| Spring range (KPa) | 20-100 (standard), 20-60, 60-100, 40-200, 80-240 | ||||
| diaphragm material | Nitrile rubber with nylon cloth, ethylene propylene rubber with nylon cloth | ||||
| gas supply pressure | 140~400KPa | ||||
| air source connection | RC1/4' | ||||
| ambient temperature | -30～+70℃ | ||||
| Can be equipped with accessories | Positioner, air filter pressure reducer, holding valve, travel switch, valve position transmitter, handwheel mechanism, etc | ||||
| mode of action | When the gas is lost (B), the valve position is open (FO); Valve position closed (FC) when gas loss occurs in the pneumatic opening (K) | ||||
Performance parameters of pneumatic cage regulating valve
| project | Without locator | Equipped with locator | ||
|---|---|---|---|---|
| Basic error% | ±5.0 | ±1.0 | ||
| Return difference% | 3.0 | 1.0 | ||
| Dead zone% | 3.0 | 0.4 | ||
| Constant point deviation% | air open | Starting point | ±2.5 | ±1.0 |
| Starting point | ±5.0 | ±1.0 | ||
| Qi Guan | Starting point | ±5.0 | ±1.0 | |
| destination | ±2.5 | ±1.0 | ||
| Rated travel deviation% | ≤2.5 | |||
| Leakage rate L/h | 0.01% x valve rated capacity | |||
| Adjustable range R | 30：1 | |||
Pneumatic control valve is one of the industrial process control instruments widely used in petroleum, chemical, power, metallurgical and other industrial enterprises. In chemical production, the control valve is * * * in the control system, which is an important part of the industrial automation system, such as the hand and foot of the production process automation. The installation principle of pneumatic control valve: The installation of control valve should comply with relevant national standards and strictly follow the provisions of design drawings and design documents. For example, quality inspection and evaluation standards for construction and installation engineering, construction and acceptance specifications for industrial automation instruments, construction and acceptance specifications for electrical equipment installation engineering, etc. The equipment, auxiliary equipment, and main materials required for installation should comply with the relevant regulations of the current * * *.
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