Forged steel & Cast stelel Pressure Seal Globe Valves

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Forged steel & Cast stelel Pressure Seal Globe Valves

The characteristics of Forged steel & Cast stelel Pressure Seal Globe Valves:

 

1.Globe valve's structure is moresimple than gate valves, and it is more convenient in manufacturing and maintenance

2.Sealing surface is not easy to wear and scratch, and it has a good sealing surface and long service life.

3.When opening and closing, disc's route is small, so the height of globe valve is smaller than gate valve, but the length of structure is longer than gate valve's.    

 

 

 

 

 Specifications OfForged steel & Cast stelel Pressure Seal Globe Valves:

 

1. Designs Of Specifications Of Forged steel & Cast stelel Pressure Seal Globe Valves

 

Design: API-600 (carbon steel), API 603 (stainless/alloy steel), BS 1873

Pressure/temperature rating: ASME B 16.34

Flange dimensions: ASME B16.5 (up to 24" nominal diameter) or MSS SP 44 (above 24'')

Butt / socket welding ends: ASME B16.25 (on demand)

Face to face dimensions: ASME B 16.10

NACE Service: MR-01-75 or MR-01-03

Testing: API 598

Wedge design: solid (up to 4") and flexible (5" and above)

Bolted bonnet

Outside / inside screw and yoke - non rotating stem / roating stem

Graphite packing

Stainless steel or graphite gaskets

Ends RF, RTJ or BW

Manual valves: hand-wheel, impact hand-wheel, chain-wheel, gear operation

Actuation: electric, pneumatic or hydraulic

Low fugitive emissions control

On demand: DIN gate valves

On demand: Cryogenic service

 

2. Materials Of Specifications Of Forged steel & Cast stelel Pressure Seal Globe Valves

 

Carbon steel WCA, WCB, WCC, etc.

Low carbon steel LCB, LCC, etc.

Low alloy steel WC1, WC5, WC6, WC9, etc.

Low carbon low Alloy Steel LC2, LC3, etc.

Medium alloy steel C5, C12, C12A, etc.

Stainless steel CF8, CF8M, CF8C, CF10, CG8M, etc.

Low carbon stainless steel CF3, CF3M, CG3M, etc.

Super stainless steel CN7M (Alloy 20), CN3M (Alloy 20 modified), CT15C, etc

Duplex stainless steel CE8MN, CD6MN, CD3MN, etc.

Super Duplex Stainless Steel CE3MN, CD3MNWCuN, etc.

High Nickel Alloys: Monel M30C, Monel M35-1, Monel CZ100, Inconel CY40 (Inconel 600), CW2M (Hastelloy C4), N12MV (Hastelloy B), CW12MW (Former Hastelloy C-276), CW6M (New Hastelloy C-276), CU5MCuC (Incoloy 825), N7M (Hastelloy B2), CW6MC (Incoloy 625), etc.

Aluminum Bronze 95500,95600, 95800, etc.

Trims: 1-2-5-8-10 as per API600

 

Forged steel & Cast stelel Pressure Seal Globe Valves

 

3. Dimensional Range Of Specifications Of Forged steel & Cast stelel Pressure Seal Globe Valves

 

Size: 1/2"~36"

Pressure class: 150LB ~2500LB

Temperature: -268°C ~ 425°C  /649°C  

Design STD: API 600/6D

Flanged STD: ASME B16.5/ASME B16.47A

Butt welded STD: AEME B16.25

Face to Face STD: ASME B16.10

Inspection and testing STD: API 598

Outside screw & yoke, rising stem. Wedge solid or screw renewable disc.

Design STD: API 6D/600
Suitable medium: water, oil, vapor, gas
Body material: WCB, WC1, WC5, WC6, WC9, C12, CF3, CF8, CF3M, CF8M,
A105, F304, F316, F304L, F316L
Operation: manual control, gear operated, motor actuated

 

Standards Compliance Of Forged steel & Cast stelel Pressure Seal Globe Valves

 

NO.

Part name

Material

1

Body

A216 Gr WCB

2

Bonnet

A216 Gr WCB

3

Gasket

Spiral wound/Soft iron

4

Gland Packing

Graphite

5

Stud and nut

A193 Gr B7/A194 Gr 2H

6

Disc

See body material

7

Seat ring

See body material

8

Stem

Stain steel

9

disc nut

CS+SS/SS/SS+STL

10

Back seat

Stain steel

11

Gland bush

Stain steel

12

Gland flange

Carbon steel

13

Stem nut

A 439-D2/cu-alloy

14

Pin

Carbon steel/SS

15

Eye bolt and nut

A 193 B7/A194 4~A193 B8/A194 8

16

Hand wheel

Carbon steel

17

Hand wheel nut

Carbon steel

18

Grub screw

Carbon steel

 

 

Usage/Applications Of Forged steel & Cast stelel Pressure Seal Globe Valves:

 

Globe Valves are mainly used to modulate or regulate a fluid's flow. A Globe Valve is not recommended when a continuous full flow of fluid is required due to the high pressure drop inherent to the design of a globe valve. This type of valve should always be installed so the flow intake enters through the base of the valve seat. Valves may be used with fluids containing particles in suspension, widely used in process and petrochemical applications, have high corrosion resistance and find wider application within the food and fine chemicals industries.

 

Forged steel & Cast stelel Pressure Seal Globe Valves 

 

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Q:What's the advantage of using three way valves?
The principle of three way valve:The most obvious three valves and other valves is the difference in appearance, three way valve has three channels, mainly used to change the medium to flow through valve three, which in addition to import A, B, C and reversing port of export, common valve is not capable of changing the flow direction of medium function. The flow direction of the medium can be determined according to requirements.
Q:What valve does the high pressure by-pass valve DN254 * 800 belong to?
High pressure bypass valve DN254 * 800 belongs to bypass valve.Function of bypass systemThe turbine by-pass device mainly has three functions of starting and overflowing:1 in the cold, warm and hot, the bypass system can realize the optimal unit start-up and shut-down in turbine operating conditions, start and stop curve can meet the requirements, two types of automatic and manual operation, with the establishment of the boiler steam temperature and steam turbine components. To shorten the start-up time.2. when the turbine is tripped, the bypass system can operate at a high speed and reach full open position.3., when the turbine load changes, the by-pass system has the regulating function, and the safety valve action can be avoided and the operation stability of the boiler can be improved when the instantaneous change of the moving state.The function of the bypass control valve:The main function of steam turbine bypass system is high pressure steam adjusting throttling and superheated steam cooling. The bypass valve to perform these functions at the same time and in low noise, small vibration, valve resistance to achieve its goal of temperature and pressure loss under the condition of touch.
Q:What does the RF of the valve mean?
The flange flange can be applied to the HG/T flange standard, or any other flange standard. HG/T will be more detailed
Q:Where is the hydrant main valve?
The fire hydrant generally has two sources, one is from the roof water tank, a water pump is from the housing, maintenance, should close the fire hydrant located on the riser inlet valve tube under the ring, generally located in the top and bottom, and then discharge, when the valve cannot be closed, the proposed closure of replenishment valve and the pressure stabilizing device of water tank, fire pump in manual state, drainage after maintenance. Watch out for fire.
Q:What is called protective valve, and other valves what is the difference?
Protection valve should be in the air defense valve, can be copper gate valve. (according to the specific use of civil air defense requirements, design institute does not count).2, while the protection valve should be a locking device with the valve, not the general valve can be replaced.
Q:Valve pressure test
The standard is different, the test is not the same, what kind of valve you, a domestic valve only do stress testing, in fact, the pressure can generally be guaranteed, many are bad at high temperature or life testing above
Q:Air compressor out of the gas with what kind of valve control okay, globe valve or other?
Air compressor all copper safety valve (AQ-20) (AQ-25)Air compressor, air release valve and so on. The air compressor rated exhaust pressure is divided into low pressure (0.7~1.0MPa), medium pressure (1.0~10MPa), high pressure (10~100MPa) and ultra high pressure (100MPa or more), to see what kind of installation you are and use
Q:What does "DN15" mean? What does "PN 16" mean?
DN15 refers to the diameter of the valve, that is to connect the caliber of the pipe.PN16 means pressure, that is, 16 kilograms (1.6MPa).
Q:How to carry out the valve strength test and air tightness test?
Refer to the GB/T13927 or ISO5208 standards and need to pass it to you
Q:Valve legend
F means the initial letter of the valve, which is shown as a stop valve
We had been certified by DNV ISO9001, API 6D and CE. And we have famous trademark in China that is Quality and Reputation AAA level enterprise.Our company manufactures the full welding ball valve size up to 56". We are the only company on this in CHINA.Our company produce the metal to metal high pressure high temperature ball valve, top entry ball valve, large size full welding ball valve and 2500LB and 3000LB super high pressure ball valves are very famous in china and oversea.

1. Manufacturer Overview

Location Zhejiang, China
Year Established 1983
Annual Output Value US$ 4 million-US$ 9 million
Main Markets America; Canada; Australia; Europe; Mid East; Southeast Asia; Japan; South Korea; Egypt
Company Certifications ISO 9001:2008; API 6D;CE

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Wenzhou
Export Percentage above 50%
No.of Employees in Trade Department 101-200 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: 230,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range Average