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Stainless Steel Swing Check Valve

Stainless Steel Swing Check Valve

Stainless Steel swing check valve is used mostly in the water flow systems. The check valves or tilt disc valves are useful for backflow prevention. ... The valves have a check disk inside them that allows the flow of water in a unidirectional flow.

Description


GZP Stainless Steel Swing Check Valve

Stainless Steel swing check valve is used mostly in the water flow systems. The check valves or tilt disc valves are useful for backflow prevention. ... The valves have a check disk inside them that allows the flow of water in a unidirectional flow.


One of the main advantages of stainless steel valves over valves manufactured of other types of metal is that they are extremely reliable and robust. Stainless steel 316 Instrumentation valves can be used at any temperature and do not have any issues when operating in very hot or exceptionally cold conditions

Stainless as a material is much more corrosion-resistant than brass. ... Stainless Steel Ball Valves will hold up much better to harsher water types. This will ensure a longer lasting valve. Remember that if you want to have more corrosion resistance built into your system, you should be using a full stainless system.


Swing check valves are available in either metal-to-metal seat or resilient seating. Resilient seated swing check valves are usually recommended for wastewater or services where dirt or other particles may be present in the fluid and positive shutoff is required.


Typically a swing check valve operation depends on gravity (weight of disc) and reverse flow. The pivot point of the swing check is outside the periphery of the disc and, the greater the flow velocity and head pressure possibility the greater the valve closing force. To prevent the slamming of the disc and reducing hydraulic shocks external hinge arm is available with either a lever weight or an adjustable spring.


* Large quantity stock for different size

* 15 days delivery time

* 18 Months guaranteed service time

* Special discount for large quantities

* Connection ends: RF, RTJ, BW,SW, Threaded


Technical Data

Design Standard

API6D, BS1868, DIN3356,EN10739

Body Material

CF8, CF8M,CF3, CF3M, F304, F316

NACE MR-01-75/NACE MR-01-03 Special Requirements

Pressures range

ANSI 150 ~ANSI 2500 ,PN10~PN420

Size range

DN15(1/2") ~DN1200 (48")

Face to Face

ANSI B16.10,EN 558,DIN3202

Flanged RF, FF, RTJ Ends

ASME B16.5 ≤ DN600 (24") ASME B16.47 A ≥ DN650 (26")

BS 4504,DIN 2543-2545,EN1092

Butt-Weld BW Ends

ASME B16.25 ,DIN 3239,BS 2080, EN 12627

Temperature range

-29°~ 425°C

Design Feature

Construction

Lift type, Swing type,Wafer type,Pressure seal bonnet,Bolted Bonnet

Disc Type

Dual plate, single plate, plug type

Seat Sealing

Integral body seat ,seat welded and overlaid

Fire Safe Design

API 607,BS 6755

Inspection & Test

Visual Inspection

MSS SP-55

Material Inspection

PMI Test----Chemical Analysis

HB Test---Hardness Test

UT---Ultrasonic Test

RT---RadiographicTest

MT---Magnetic Test

NDT Test Non-destructive

Dimention inspcetion

According to drawings

Valve Inspection and Test

API 598,DIN 3230,EN 12266,BS 5146


Stainless steel check valves must be installed with the inlet in direction of arrow. This must be checked carefully before installing the valve. Placing a check valve in the opposite direction to the flow will prevent the disc from swinging free and will therefore prevent normal operation of valve.

Seat bores, minimum flows and pump coast down characteristics are crucial in check valve selection. Without proper sizing, extreme damage may occur in check valve internals. Pulsed flow reversals can also cause damage.


Technical Parameters for dual plate swing check valve:

Size

DN50-DN900

Working pressure

16Bar

10Bar

Shell

24Bar

15Bar

Seal

18Bar

11Bar

Operating Temperature

-10℃~+120℃

Operating Environment

Ballast and bilge system Chemical processing

Desalination plants Drilling rigs

Drinking waterDry powder

Food and beverage Gas plants

HAVC Mining industry

Paper industry Sand handling

Seawater

Sugar industry

Thermo technical water treatment

Waste water


Executive Standard:

Design Standard

API 594

Inspection & Test

ISO 5208 API 598

End Standard

ASME 16.5 ANSI B16.10

BS4504PN10 & PN16

EN1092-2 PN10 & PN16

AS 2129-2000

ISO 7005PN10 & PN16

ASME B16.5

JIS B2220

Face to Face

EN558-1 API 594 ISO 5752 ANSI B16.10 D


A valve is a device that regulates, guides, or manages the flowing of fluids (gases, oils, fluidized solids or slurries) by opening, closing, or partly hindering the different passageways. The valves are actually fittings but are generally referred to as different types. In an open valve, the fluid moves in a path from higher to lower pressure. In industrial settings, valves are widely used for a number of purposes. Valves are available in a variety of different types, but stainless steel valves have become more common for industrial applications. Let us discuss the advantages of the usage of stainless steel valves in commercial systems.


Advantages

Durability One of the main advantages of stainless steel valves over valves manufactured of other types of metal is that they are extremely reliable and robust. Stainless steel 316 Instrumentation valves can be used at any temperature and do not have any issues when operating in very hot or exceptionally cold conditions.

High-Pressure Resistance When you need valves that operate under high strain, stainless steel is the best way to go. Since SS is an extremely strong and durable product, the valves made of this material will withstand the pressure that would break or crack the valve made of plastic / PVC, brass, or bronze.

Free From Corrosion The components of metal which make up stainless steel are not prone to rust or corrosion. This makes the use of stainless steel valves the better option for industrial applications where the conditions may cause the metal to rust or corrode quickly.

Delivery time for goods: 15~30 days.

Stock for each size under DN300 is available


Our strengths are as follows:

1. Cost: We are the original producer (not trader) who is able to provide the most competitive cost of the Stainless Steel Parts.

2. Quality: Our products are exported to european market with competitive quality fit for food industry, fine chemical industry, medical industry and other various quality demands.

3. Service: we provide OEM, ODM service with any new model design of the Stainless Steel Parts.

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