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Kinder Ball Valve 讲义


Kinder Introduction about Technology and Applications

Welcome to Kinder valves presentation
From Kinder You know more besides the valves information
No other valves can

fully meet your applications like Kinder valves can do

? History of our company
? Our products
— Ball valves — Butterfly Valves — Gate, Globe & Check Valves — Plug Valves — Actuators

5H Standards of Kinder

?

High Quality;

?
? ? ?

High Standard;
High Value; High Cost Effective; High Performance

Ball Valves

With over 60 years experience to manufacture ball valves There are about three thousand of ball valves can be made by Kinder Valves Inc. . Following for details

Ball Valves
Floating Ball Valves Trunnion Ball Valves

Ball Valves

Top Entry Ball Valves

Oxygen Application On-off Ball Valves

Cryogenic
Ball Valves

Ball Valves
Floating Ball Valves

Exploded view

Ball Valves
Floating Ball Valve Standard specifications ? Size:1/4” ~ 12” ? Seat:Both soft-seat and Metal-seat ? Pressure:ANSI CLASS 150 ~ 2500 ? Temperature:-29 ℃ ~ 500 ℃

? Leakage:up to Class Ⅵ
? Connection:Flange / Thread / Welding

Ball Valves
Floating Ball Valve Features ? Reliable dynamic seat sealing system ? Fire safe design as standard ? Valve lockout standard to prevent improper operation ? Anti-static advantages standard ? High quality seat spring support the sealing without seat deflection

Ball Valves
Floating Ball Valve Design Characteristic

The seat behind the ball is pressed because of flow

The seats below the ball is pressed because of gravitation

Dynamic sealing burden forces view
To be used in low PRESSURE and small BORE

Ball Valves
Trunnion Ball Valves

Exploded view

Ball Valves
Trunnion Ball Valves Standard specifications ? Size: 2” ~ 24” ? Seat: Soft-seat / soft + metal seat/Metal-seat ? Pressure:ANSI Class 150 ~ 4500 ? Temperature:-29 ℃ ~ 550 ℃

? Leakage:Class Ⅵ
? Connection:Flange / Welding / Thread

Ball Valves
Trunnion Ball Valves Design Characteristic

No deviation of ball, which causes no pressure on the seats

The stem support the ball, which causes no pressure on the seats

The sealing action’s view with pressure
To be used in high PRESSURE and large BORE

Ball Valves
Trunnion Ball Valves Piston function of the sealing
?
?

New concept of passive sealing system with single and double piston function
The sealing force depends on the media pressure. That is to say, the higher pressure causes the stronger sealing force with better sealing.

Seat ring

upstream

? The media pressure is conducted to the back of the seat ring and push the seat against the ball.
? So this is a kind of passive sealing. There are two kind of piston function sealing styles: single piston and double piston. Basically Kinder’s ball valve is using the passive sealing system. The active sealing is your option

Ball Valves
Trunnion Ball Valves Features
? Bi-sealing Design in bi-direction ? Fire Safe Design ? Ball and stem centerlines are exact ? No floating (fixed ball) ? No side loads on the stem ? Static spring force

? Mounting Pad Provided
? Anti-static Design ? Low friction under the full ?P ? Low opening/closing torque

? Good for surging protection
? Water hammer

Ball Valves
Top Entry Ball Valves

Exploded

view

Ball Valves
Top Entry Ball Valves
The History of Body Type

Split Body

After the sealing trims inside are damaged sometimes, it is need to disconnect the valves from the main pipeline.

Full Welding

All of the components inside cannot be changed after installation, This kind of valve should be used in this condition not often to be closed and opened.

Top Entry

The sealing components inside could be changed online without disassembling the valves from the pipes

Ball Valves
Top Entry Ball Valves
Standard specifications
? Size:1/4” ~ 48”

? Seat: Soft-seat / Metal-seat
? Pressure:ANSI CLASS 150 ~ 2500 ? Temperature: -30 ℃ ~ 550 ℃

? Leakage:Class Ⅵ
? Connection:Flange / Thread / Welding

Ball Valves
Top Entry Ball Valves Features
? Double-block and Bleed Function
? Advanced Hardening Seat Technology Employed ? Self-relief in the Body Cavity ? Anti-static Feature

? Good for Inline Repair

Ball Valves
Special Ball Valves for O2 Standard specifications
? Size: 1/2” ~ 48”

? Seat: Metal-seat
? Pressure:ANSI CLASS 150 ~ 1500 ? Temperature: -196 ℃ ~ 550 ℃ ? Leakage:Class Ⅵ ? Connection:Flange / Thread / Welding ? Degrease Treatment ? Inconel Body material; Monel is option in standard ? Inconel X750 back springs

Ball Valves
Special Ball Valves for O2 For high pressure and aggressive O2 application
? Forged body in Inconel 600 or ASTM A182/A350 F316 ? RAM thermal spry technology make the ball’s hardness up to 65HRC ? The stem made from Monel or A276 316 ? With finest polishing the trim surface finish to 8 RMS like a mirror ? So-call never fatigue metal Inconel X750 springs give the metal seat sealing force ? Special treatment for O2 application uniquely

Ball Valves
Special Ball Valves for O2 Features
? Excellent tightness function ? Blow-out proof stem

? An entire fire safe structure
? Advanced hardening seat technology employed ? Natural anti-static structure ? Anti-electrostatic accumulating

Ball Valves
The History of ball valve Seat

Low TEMPERATURE
Low PRESSURE Little PARTICLE High CORROSION

Soft seat

Ball Valves
The History of Seat

High TEMPERATURE

High PRESSURE
High CORROSION FIRE SAFE

Metal seat

Ball Valves
Seat sealing system Features
? Better than class VI leakage level ? For high particles density condition application ? High pressure application up to ANSI 4500

? High temperature application for 800℃
? High frequently on/off cycles ? Many options for you special applications ? Approved by API-6D & 598, MSS-SP

Ball Valves
Stem sealing system Specifications of shaft sealing
? Double stem sealing Graphite & steel

? Backup spring with lubrication function

? Reinforced PTFE + graphite rings basically
? Over 6” size with shaft bearing ? Anti-blowout shaft design

Bearing

Backup spring

? The shaft with 75um Ni-P plating

Ball Valves
Stem sealing system Option for special application
? Multi layers stem sealing system ? Self packing fixed gaskets system

? Soft steel + graphite rings sealing system
? Emergency sealing-grease injection sealing system ? Online interchange sealing system ? Servo sealing system ? Sealing system with blowing connection

Ball Valves
Stem sealing system Features
? Most effective sealing system meet all kinds of condition ? Eliminate the stem leakage even under twice pressure rate

? Reduce the friction between the shaft and sealing system
? Ni-P plating have an good ability of anti-corrosion from the outside environment ? Long-life sealing reliability

? Reduce the maintenance work
? variously stem sealing system options

Ball Valves
Trims’ Coating Kinder valves trim’s coating methods
? Thermal Spray of carbide-metal, thickness up to 120 μm (HVOF) ? Cold Spray of carbide-metal, thickness up to 300 μm

These coating is applied to the ball surface and the seats surfaces In the general, the coating of the stem is 75 μm nickel plating Other coatings can be deal with to meet the actual application and your requests

Ball Valves
Trims’ Coating High Velocity Oxygen Fuel (HVOF) thermal spray process

Ball Valves
Trims’ Coating Properties of HVOF coating
? Low Porosity ? High Strength ? High Impact ? High Hardness ? Poor Machining ? Good Corrosion-Proof ? Good Wear-Proof ? High Price

Ball Valves
Trims’ Coating Cold Spray Coating process

Spray Coating Technology Revolution

Ball Valves
Trims’ Coating Properties of cold Spray Coating
? Low temperature process ? No bulk particle melting ? Retain composition/phases of initial particles ? Very little oxidation ? High hardness ? Eliminates solidification stresses ? Enables thicker coating ? Low defect coatings ? Lower heat input to work piece

? No fuel gases or electrical heating required

Ball Valves
Trims’ Coating The key factors affect the coating quality
? The quality of the coating powder: smaller is better ? The work piece surface’s temperature

? The quality of the surface: Cleanliness, area, and so on
? The spraying velocity of the particles ? The angle of the gun spraying to the substrate

? Time (reaction rates & cooling rates etc..)

Ball Valves
Trims’ Coating Comparison of different spray process:
Spray process Spraying velocity (m/s) Flame temperature (℃) Bonding strength Stress strength Powder’s oxidation Power consumption Rang of the powder Max spraying thickness

Arc Spray
100~180 1000~1500 Highest Highest Most Higher Largest Thin Low >3% Good Good Good Best

Plasma
160~300 800~1200 Higher Higher Normal Mid Larger Thick Higher <3% Good Good Good Better

HVOF
300~500 600~800 High High More High Largest Thicker High 1% Better Better Better Good

Cold
500~1500 <300 Mid Mid A little Highest Large Thickest Highest <1% Best Best Best Good

Spraying cost Porosity Hardness Wear resistance Corrosion resistance Impact resistance

Ball Valves
Trims’ lapping

? For smaller than 6”, trims lapped by auto-machine ? For size over 6”, trims lapped by man work ? Two sides of the ball should be lapped with seat

? The lapping time over 4 hours depends on the size

Ball Valves

12” metal seated Ball Valve operate in 0.3 seconds

Ball Valves

Kinder the valve of choice

Butterfly Valve


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ball valve | trunnion ball valve | ball valve 球阀 | ball check valve | top entry ball valve | triple ball valve | monoblock ball valve | full bore ball valve |