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Corrosion Resistant 2500LB Top Entry Valve

Basic Information
Place of Origin: China
Brand Name: Coosai
Certification: API6D,API607
Model Number: SQ41F,SQ47F,SQ341F,SQ347F,
Minimum Order Quantity: 1PC
Price: 300USD
Packaging Details: Polywood cases
Delivery Time: 2-15weeks
Supply Ability: 20000 pcs per year
Detail Information
Size: Size: NPS 2" To 48" Pressure: 150LB To 2500LB
Temperature: -196℃~610℃ Low Temperatue, Normal Temperature And High Temperature Body And Trim: Cast Steel, WCB,ASTM A105, ASTM A350 LF2, ASTM A182 F304 F304L F316/F316L/F51 F53 F55,ASTM A351 CF8 CF8M CF3M ASTM A182 F6a 17-4PH
Seat Material: PTFE, RPTFE, DEVLON, Molon,PEEK,Metal Seat Body And Stem Sealing: Oring(FKM,FFKM NBR,FPM HNBR, VITON,EPDM, AFLAS), Spiral Wound Gasket(316SS+ Graphite) Packing(Graphite, PTFE)
Operation: Wrench, Lever, Gearbox, Pneumatic, Hydraulic, Electric. Design Feature: Casting ,Forging, Full Bore,Reduced Bore,Integral Body,Three-pc Ball Valve,Side Entry Design,Split Body, Top Entry Design,Metal To Metal Sealing,
High Light:

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Product Description

Top Entry Ball Valve 2500LB



Sealing Options
Soft seat: Metal to Metal O-Ring seal
Simple structure reliable sealing Applicable to particulate Reliable sealing low torque meet customers' high
wide application low cost. media conditions sealing reliability and low torque requirements

Corrosion Resistant 2500LB Top Entry Valve 0



Fire safe design
Coosai ball valves ensures 100% pass of the fire safe test. As Coosai Ball valve applies two sealed design via O-ring seals and metal graphite spiral wound gasket. When the valve is on fire, non-metallic materials such as PTFE seat seals, gaskets ,O-ring seals,rubber etc will be damaged, meanwhile the outer layer of metal graphite spiral wound gasket provides a secondary seal. When the soft seat is burned, metal seat will automatically form a metal seal with ball under the urging of the spring which will effectively control the internal leakage and external leakage. Valve design fully accords with API 607, API 6FA, BS 6755, JB / T 6899 and other standards,
Corrosion Resistant 2500LB Top Entry Valve 1



When the ball is in the closed position, each seat seals off the process medium independently at the same time between the up/down stream and body cavity, it allows bleeding the trapped cavity pressure (DBB) through drain and vent valve. The double block and bleed function make it possible to flush the valve under pressure and verify that the seat are sealing properly.
Corrosion Resistant 2500LB Top Entry Valve 2



Double piston effect seat, medium pressure, both upstream and downstream as well as in the body cavity, creates a resultant thrust that pushes the seat ring against the ball, valve with double piston effect seat rings require a cavity pressure relief to reduce the build-up of over pressure in the body cavity.
Corrosion Resistant 2500LB Top Entry Valve 3

Grease injection device
For DN150 (NPS 6) & larger the stem and the valve seat are provided with a sealing grease injection device, For DN125 & smaller, we can provide the sealing grease injection device according to customer requirements. When the O-ring is damaged by accident, by injected sealant sealed to prevent the media through the valve seat ring and stem leaks.

Corrosion Resistant 2500LB Top Entry Valve 4

Blow-out proof stem:
The stem is made separately from the ball with integral T-type round shoulder, retained by bland .(other designs are Available on request)

Anti-static device:
Spring plus graphite type anti-static device are applied between the ball ,stem, gland Flange and body to keep the electrical Continuity between all the metallic components . And ensure the resistance lower than the most severe service requirement.


Design Data
Design standard: API 6D,DIN3357-1 , EN12516-1
Face to Face standard: API6D, ASME B16.10, DIN3202
Connecting Standard: ASME B 16.5, ASME B16.47, DIN 2543/4,ASME B 16.25
Test & Inspect Standard: API 6D ,API 598
Working Temperature: -196℃~610℃
Connection type: RF,RTJ,FF,BW.BSPT,NPT
Sour environment:NACE MR0175


Design Feature
1: Full bore or reduced bore
2: Integral body structure
3: Double Block & Bleed, Double isolation and bleed(DIB-1&DIB-2)
4: Fire safe design(API 607)
5: Blowout-proof system
6: Anti-static design
7: Self cavity relief
8: Fugitive emission testing(optional)
The ball is fixed by trunnion and stem for size 4” &smaller. Trunnion plate support for size 6” & larger


Design Standard API6D
Pressure-Temperature Rating ASME B16.34
Face to Face API6D
Flange Ends ASME B16.5, ASME B16. 47
Buttwelding ends ASME B16.25
Inspection & Test API598/ API6D
Test Pressure Shell Test CL150 CL300 CL600 CL900 CL1500

High Pressure

Seal Test

2.93 7.55 15 22.4 37.5

Low Pressure

Seal Test

2.07 5.52 11.03 16.54 27.5

SQ41 Top entry ball valve

   Material of major parts

Accessory name Material ASTM
1 Body A216 WCB/A105
2 Seat Rubber ring
3 Seat ring A182-F304
4 Sealing rings PTFE
5 Ball Graphite+F304
6 Stem A276 410
7 Sealing gaskel PTFE
8 Valve bonnet A216 WCB/A105
9 Packing Graphite
10 Packing gland A216 WCB
11 Stud A193 B7
12 Lever A216 WCB
13 Nut A194 2H
14 Stud A193 B7

Note: Major parts of the valve series and materials of sealing surface differs according to different working condition and customers’ special requirements.

 Corrosion Resistant 2500LB Top Entry Valve 5
 Corrosion Resistant 2500LB Top Entry Valve 6

Corrosion Resistant 2500LB Top Entry Valve 7

Contact Details

Phone Number : +8613017861943