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Focus on flat gate valve for 26 years

We specialize in the production of flat gate valves, pneumatic shut-off gate valves,
parallel double gate valves, oilfield special valves, etc.

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Z43WPF light flat gate valve

Z43WPF light flat gate valve

产品分类:Pipeline flat gate valve
Product Categories:Pipeline flat gate valve
销售热线:0577-67966500
Sales Hotline:0577-67966500
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Product Details

product description:

The light-duty flat gate valve is suitable for oil storage and transportation projects in port terminals or airport oil depots with Class150~900/PN1.0~16.0MPa and working temperature of -29~150℃. It plays the role of pipe media interception and adjustment;


Application range:


1. Oil and natural gas pipelines. The flat gate valve with diversion hole is also easy to clean the pipeline.


2. Transportation pipelines and storage equipment for refined oil.


3. Oil and natural gas extraction wellhead devices, that is, valves for Christmas trees.


4. Pipes with suspended particles.


5. City gas transmission pipeline.


6. Tap water works.


Structural features:




1. The valve seat adopts an O-ring seal and a floating seat structure that applies pre-tightening force to seal the inlet and outlet of the flat gate valve in both directions; and the opening and closing torque of this structure is only 1/2 of that of ordinary valves, which can achieve easy opening and closing. Close the valve

2. When fully opened, the channel is smooth and straight, the flow resistance coefficient is extremely small, and there is no pressure loss, and the pipeline can be cleaned by the hair ball

3. The packing structure with self-sealing capability is adopted, without frequent adjustment, the opening and closing are extremely light, and the sealing performance is reliable. There is an auxiliary sealing grease injection structure at the stuffing box, the sealing performance is absolutely reliable, and the zero leakage is truly achieved; it solves the general purpose Disadvantages of easy leakage at valve packing

4. When the flat gate valve is closed, the high pressure in the cavity can be automatically removed to ensure safe use

5. Fully enclosed structure, good protection performance, can adapt to all-weather requirements


product advantages:


The flow resistance is small, and its flow resistance without shrinking is similar to that of a short tube. The flat gate valve with diversion hole can be directly used for pigging when installed on the pipeline. Since the gate slides on the two valve seat surfaces, the flat gate valve fluid can be applied to the medium with suspended particles, and the sealing surface of the flat gate valve is actually automatically positioned. The seat sealing surface will not be damaged by thermal deformation of the valve body. Moreover, even if the valve is closed in a cold state, the thermal elongation of the valve stem will not overload the sealing surface. At the same time, when the valve is closed, the flat gate valve without diversion hole does not require the closing position of the gate to have a higher accuracy, so the electric flat valve can control the opening and closing position by the stroke.


Standard Specification:

Z47F/Z43 Flat Gate Valve

Product number:Z47F/Z43F

Adopt standard:

Design and manufacture

JB/T5298

API6D

Structure length

Flange

GB/T 12221

JB/T 5298

API 6D

ASME B16.10

welding

GB/T15188.0

Connecting flange

GB/T9113

JB/T79

ASME B16.5

MSS SP44

Butt welding end connection size

GB/T12224

ANSIB16.25

Test and inspection

JB/T9092

API6D

API598


Nominal diameter:15~1000mm

Work pressure:1.6-10.0Mpa

Scope of application:≤425℃

Connection method: flange, butt welding, clamp

Body material:WCB

Sealing properties: H-alloy steel, F-reinforced polytetrafluoroethylene, Y-hard alloy

Drive mode: manual, bevel gear drive, electric


Parts materials and working conditions:

Parts materials

working conditions

normal type

Sulfur resistant


GB/T    19672

API    6D

GB/T    19672

API    6D


Valve/bonnet

WCB

ASTM    A216 WCB

WCB

ASTM    A216 WCB

gate

16Mn+ENP

ASTM    A515 GR70+ENP

1Cr18Ni9

304

Stem

20Cr13

A276-420

1Cr18Ni9

304

Valve seat

A105+RPTFE

A105+RPTFE

F304+RPTFE

F304+RPTFE

filler

RPTFE/Nitrile rubber

RPTFE/fluororubber

RPTFE/fluororubber

RPTFE/fluororubber

Gasket

1Cr18Ni9+Flexible graphite

304+Flexible graphite

1Cr18Ni9+Flexible graphite

304+Flexible graphite

Bolts, nuts

35CrMo、45

A193    B7、A194 2H

35CrMo、45

A193    B7、A194 2H

proper temperature

-29~121℃

-29~121℃

-29~121℃

-29~121℃

Applicable medium

Natural gas, oil, water, etc.

Natural gas, oil, water, etc.

Natural gas, oil, water, etc.

Natural gas, oil, water, etc.

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If you have any questions about quotation or cooperation, please feel free to contact us by phone 0577-67966500 or use the enquiry form below. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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